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All questions of Routing for Computer Science Engineering (CSE) Exam
Cryptographic hash function takes an arbitrary block of data and returns- a)fixed size bit string
- b)variable size bit string
- c)both (a) and (b)
- d)none of the mentioned
Correct answer is option 'A'. Can you explain this answer?
Cryptographic hash function takes an arbitrary block of data and returns
a)
fixed size bit string
b)
variable size bit string
c)
both (a) and (b)
d)
none of the mentioned
|
Bijoy Joshi answered |
Fixed size output of cryptographic hash function
A cryptographic hash function is a mathematical algorithm that takes an arbitrary block of data and returns a fixed-size bit string. This output is known as the hash value or message digest.
Properties of hash function
A cryptographic hash function has three main properties:
1. Deterministic: The same input will always produce the same output.
2. Quick computation: The function should be computationally efficient.
3. Pre-image resistant: Given a hash value, it should be difficult to find the input that produced it.
Applications of Cryptographic Hash Function
Cryptographic hash functions are widely used in computer security applications, including:
1. Digital signatures
2. Password storage
3. Message authentication
4. Data integrity verification
5. Blockchain technology
Conclusion
In conclusion, a cryptographic hash function takes an arbitrary block of data and returns a fixed-size bit string, making it a fundamental tool in computer security applications.
A cryptographic hash function is a mathematical algorithm that takes an arbitrary block of data and returns a fixed-size bit string. This output is known as the hash value or message digest.
Properties of hash function
A cryptographic hash function has three main properties:
1. Deterministic: The same input will always produce the same output.
2. Quick computation: The function should be computationally efficient.
3. Pre-image resistant: Given a hash value, it should be difficult to find the input that produced it.
Applications of Cryptographic Hash Function
Cryptographic hash functions are widely used in computer security applications, including:
1. Digital signatures
2. Password storage
3. Message authentication
4. Data integrity verification
5. Blockchain technology
Conclusion
In conclusion, a cryptographic hash function takes an arbitrary block of data and returns a fixed-size bit string, making it a fundamental tool in computer security applications.
In cryptography, what is cipher?- a)algorithm for performing encryption and decryption
- b)encrypted message
- c)both (a) and (b)
- d)none of the mentioned
Correct answer is option 'A'. Can you explain this answer?
In cryptography, what is cipher?
a)
algorithm for performing encryption and decryption
b)
encrypted message
c)
both (a) and (b)
d)
none of the mentioned
|
Aditya Deshmukh answered |
In cryptography, a cipher (or cypher) is an algorithm for performing encryption or decryption—a series of well-defined steps that can be followed as a procedure.When using a cipher the original information is known as plaintext, and the encrypted form as ciphertext.
Which methods are commonly used in ServerSocket class?- a)public OutputStream getOutputStream()
- b)public Socket accept()
- c) public synchronized void close()
- d)None of the above
Correct answer is option 'B'. Can you explain this answer?
Which methods are commonly used in ServerSocket class?
a)
public OutputStream getOutputStream()
b)
public Socket accept()
c)
public synchronized void close()
d)
None of the above
|
Baishali Bajaj answered |
Public Socket accept () used in Server Socket class.
Which of the following defines the Cookie visibility?- a)Document Path
- b)LocalStorage
- c)SessionStorage
- d)All of the mentioned
Correct answer is option 'D'. Can you explain this answer?
Which of the following defines the Cookie visibility?
a)
Document Path
b)
LocalStorage
c)
SessionStorage
d)
All of the mentioned
|
Shruti Tiwari answered |
Answer: d
Explanation: Cookie visibility is scoped by document origin as local Storage and session Storage are, and also by document path.
Explanation: Cookie visibility is scoped by document origin as local Storage and session Storage are, and also by document path.
HTTP client requests by establishing a __________ connection to a particular port on the server.- a)User datagram protocol
- b)Transmission control protocol
- c)Broader gateway protocol
- d)None of the mentioned
Correct answer is option 'B'. Can you explain this answer?
HTTP client requests by establishing a __________ connection to a particular port on the server.
a)
User datagram protocol
b)
Transmission control protocol
c)
Broader gateway protocol
d)
None of the mentioned
|
Arpita Gupta answered |
Answer: b
Explanation:HTTP client requests by establishing TCP connection to a particular port on the server.
Explanation:HTTP client requests by establishing TCP connection to a particular port on the server.
As a system administrator, you need to set up one Ethernet interface on the Ciscorouter to allow for both sap and Novell-ether encapsulations. Which set ofcommands will accomplish this?- a)Interface Ethernet 0.1 IPX encapsulation Novell-ether IPX network 9e interfaceEthernet 0.2 IPX network 6c
- b)Interface Ethernet 0 IPX encapsulation Novell-ether IPX network 9e interfaceEthernet 0 IPX encapsulation sap IPX network 6c
- c)Interface Ethernet 0.1 IPX encapsulation Novell-ether interface Ethernet 0.2 IPXencapsulation sap
- d)Interface Ethernet 0.1ipx encapsulation Novell-ether IPX network 9e interfaceEthernet 0.2 IPX encapsulation sap IPX network 6c
Correct answer is option 'D'. Can you explain this answer?
As a system administrator, you need to set up one Ethernet interface on the Ciscorouter to allow for both sap and Novell-ether encapsulations. Which set ofcommands will accomplish this?
a)
Interface Ethernet 0.1 IPX encapsulation Novell-ether IPX network 9e interfaceEthernet 0.2 IPX network 6c
b)
Interface Ethernet 0 IPX encapsulation Novell-ether IPX network 9e interfaceEthernet 0 IPX encapsulation sap IPX network 6c
c)
Interface Ethernet 0.1 IPX encapsulation Novell-ether interface Ethernet 0.2 IPXencapsulation sap
d)
Interface Ethernet 0.1ipx encapsulation Novell-ether IPX network 9e interfaceEthernet 0.2 IPX encapsulation sap IPX network 6c
|
Shounak Sengupta answered |
Answer: d
Explanation: The following commands setup the sub interfaces to allow for two types of encapsulation:interface Ethernet 0.1 IPX encapsulation Novell-ether IPX network 9e interface Ethernet0.2 IPX encapsulation sap IPX network 6c.
Explanation: The following commands setup the sub interfaces to allow for two types of encapsulation:interface Ethernet 0.1 IPX encapsulation Novell-ether IPX network 9e interface Ethernet0.2 IPX encapsulation sap IPX network 6c.
Which constructor of Datagram Socket class is used to create a datagram socket and binds it with the given Port Number?- a)Datagram Socket(int port)
- b)Datagram Socket(int port, Int Address address)
- c)Datagram Socket()
- d)None of the above
Correct answer is option 'B'. Can you explain this answer?
Which constructor of Datagram Socket class is used to create a datagram socket and binds it with the given Port Number?
a)
Datagram Socket(int port)
b)
Datagram Socket(int port, Int Address address)
c)
Datagram Socket()
d)
None of the above
|
Keerthana Sarkar answered |
Answer: b
Explanation: Datagram Socket (int port, Int Address address) is use data create a datagram socket.
Explanation: Datagram Socket (int port, Int Address address) is use data create a datagram socket.
Which routing protocol implements the diffusing update algorithm?- a)IS-IS
- b)IGRP
- c)EIGRP
- d)OSPF
Correct answer is option 'C'. Can you explain this answer?
Which routing protocol implements the diffusing update algorithm?
a)
IS-IS
b)
IGRP
c)
EIGRP
d)
OSPF
|
Advait Shah answered |
Answer: c
Explanation: EIGRProuting protocol implements the diffusing update algorithm.
Explanation: EIGRProuting protocol implements the diffusing update algorithm.
Which of the following can be used to configure the scope of the Cookie visibility?- a)Path
- b)Domain
- c)Both a and b
- d)None of the mentioned
Correct answer is option 'D'. Can you explain this answer?
Which of the following can be used to configure the scope of the Cookie visibility?
a)
Path
b)
Domain
c)
Both a and b
d)
None of the mentioned
|
Navya Iyer answered |
Understanding Cookie Visibility Configuration
Cookies are small pieces of data that are stored on the user's computer by the web browser while browsing a website. They have specific properties that determine their visibility and scope.
Cookie Visibility Configuration: Key Parameters
To control the visibility of cookies, two main parameters are often considered:
Why 'None of the Mentioned' is Correct
The correct answer being "None of the mentioned" implies that the options provided (Path and Domain) do not inherently configure the scope of cookie visibility by themselves. Instead, they work in tandem with other aspects:
In summary, while Path and Domain are crucial for cookie visibility, they are not standalone configurations and should be viewed as part of a broader context concerning cookie management. Therefore, the answer "None of the mentioned" is appropriate as it reflects the complexity and interdependence of these parameters.
Cookies are small pieces of data that are stored on the user's computer by the web browser while browsing a website. They have specific properties that determine their visibility and scope.
Cookie Visibility Configuration: Key Parameters
To control the visibility of cookies, two main parameters are often considered:
- Path: This parameter defines the URL path that must exist in the requested URL for the browser to send the cookie. If the path is set to "/example", the cookie will be sent only for requests to URLs that start with "/example".
- Domain: This parameter specifies which hosts can receive the cookie. If the domain is set to "example.com", the cookie will be sent to all subdomains (like "sub.example.com") as well, unless restricted further.
Why 'None of the Mentioned' is Correct
The correct answer being "None of the mentioned" implies that the options provided (Path and Domain) do not inherently configure the scope of cookie visibility by themselves. Instead, they work in tandem with other aspects:
- Neither parameter alone fully defines the cookie's behavior without the context of the HTTP request and the browser's handling of cookies.
- Additional attributes like Secure, HttpOnly, and SameSite can also influence how cookies are managed and accessed, which were not mentioned in the options.
In summary, while Path and Domain are crucial for cookie visibility, they are not standalone configurations and should be viewed as part of a broader context concerning cookie management. Therefore, the answer "None of the mentioned" is appropriate as it reflects the complexity and interdependence of these parameters.
In FTP protocol, client contacts server using _________ as the transport protocol.- a)Transmission control protocol
- b)User datagram protocol
- c)Datagram congestion control protocol
- d)Stream control transmission protocol
Correct answer is option 'A'. Can you explain this answer?
In FTP protocol, client contacts server using _________ as the transport protocol.
a)
Transmission control protocol
b)
User datagram protocol
c)
Datagram congestion control protocol
d)
Stream control transmission protocol
|
|
Suyash Chauhan answered |
Answer: a
Explanation: Client contacts server using TCP as the transport protocol.
Explanation: Client contacts server using TCP as the transport protocol.
In Multicast Routing Protocol, flooding is used to broadcast packets but it creates- a)Gaps
- b)Loops
- c)Holes
- d)Links
Correct answer is option 'B'. Can you explain this answer?
In Multicast Routing Protocol, flooding is used to broadcast packets but it creates
a)
Gaps
b)
Loops
c)
Holes
d)
Links
|
Sreemoyee Singh answered |
Answer: b
Explanation: Loops is for multicast routing.
Explanation: Loops is for multicast routing.
The URL Connection class can be used to read and write data to the specified resource referred by the URL- a)True
- b)False
Correct answer is option 'A'. Can you explain this answer?
The URL Connection class can be used to read and write data to the specified resource referred by the URL
a)
True
b)
False
|
|
Krithika Gupta answered |
Answer: a
Explanation: The URL Connection class can be used to read and write data to the specified resource referred by the URL.
Explanation: The URL Connection class can be used to read and write data to the specified resource referred by the URL.
In the network HTTP resources are located by- a)Uniform resource identifier
- b)Unique resource locator
- c)Unique resource identifier
- d)None of the mentioned
Correct answer is option 'A'. Can you explain this answer?
In the network HTTP resources are located by
a)
Uniform resource identifier
b)
Unique resource locator
c)
Unique resource identifier
d)
None of the mentioned
|
|
Pranab Sharma answered |
Answer: a
Explanation: HTTP resources are located by uniform resource identifier.
Explanation: HTTP resources are located by uniform resource identifier.
FTP server listens for connection on port number- a)20
- b)21
- c)22
- d)23
Correct answer is option 'B'. Can you explain this answer?
FTP server listens for connection on port number
a)
20
b)
21
c)
22
d)
23
|
Maheshwar Saha answered |
FTP Server and Port Numbers
FTP (File Transfer Protocol) is a standard network protocol used for transferring files between a client and a server on a computer network. In order for the FTP client to connect to the FTP server, the server needs to listen for incoming connections on a specific port number.
The Port Number for FTP Server
The correct answer to the question is option 'B', which is port number 21. Port numbers are used to identify specific services or applications running on a computer network. In the case of FTP, port number 21 is designated as the default control connection port.
Understanding Port Numbers
Port numbers range from 0 to 65535 and are divided into three categories:
1. Well-known ports: These ports range from 0 to 1023 and are assigned to specific services or applications. Examples include HTTP (port 80), FTP (port 21), SSH (port 22), and Telnet (port 23).
2. Registered ports: These ports range from 1024 to 49151 and are assigned by the Internet Assigned Numbers Authority (IANA) to specific services or applications.
3. Dynamic or private ports: These ports range from 49152 to 65535 and can be used by any service or application on an ad-hoc basis.
The Role of Port 21 in FTP
Port number 21 is reserved for FTP control connections. When an FTP client initiates a connection to an FTP server, it sends a request to the server's IP address on port 21. The server listens for incoming connections on this port and responds to the client's request.
The control connection is responsible for sending commands from the client to the server and receiving responses from the server. It handles tasks such as authentication, file system navigation, and file transfer control.
Conclusion
In summary, the FTP server listens for connections on port number 21. This port is reserved for FTP control connections, which handle commands and responses between the client and server. Understanding port numbers is essential for establishing successful network connections and ensuring the proper functioning of specific services and applications.
FTP (File Transfer Protocol) is a standard network protocol used for transferring files between a client and a server on a computer network. In order for the FTP client to connect to the FTP server, the server needs to listen for incoming connections on a specific port number.
The Port Number for FTP Server
The correct answer to the question is option 'B', which is port number 21. Port numbers are used to identify specific services or applications running on a computer network. In the case of FTP, port number 21 is designated as the default control connection port.
Understanding Port Numbers
Port numbers range from 0 to 65535 and are divided into three categories:
1. Well-known ports: These ports range from 0 to 1023 and are assigned to specific services or applications. Examples include HTTP (port 80), FTP (port 21), SSH (port 22), and Telnet (port 23).
2. Registered ports: These ports range from 1024 to 49151 and are assigned by the Internet Assigned Numbers Authority (IANA) to specific services or applications.
3. Dynamic or private ports: These ports range from 49152 to 65535 and can be used by any service or application on an ad-hoc basis.
The Role of Port 21 in FTP
Port number 21 is reserved for FTP control connections. When an FTP client initiates a connection to an FTP server, it sends a request to the server's IP address on port 21. The server listens for incoming connections on this port and responds to the client's request.
The control connection is responsible for sending commands from the client to the server and receiving responses from the server. It handles tasks such as authentication, file system navigation, and file transfer control.
Conclusion
In summary, the FTP server listens for connections on port number 21. This port is reserved for FTP control connections, which handle commands and responses between the client and server. Understanding port numbers is essential for establishing successful network connections and ensuring the proper functioning of specific services and applications.
Which of the following directive of Cache Control Header of HTTP response indicates that resource is cachable by only client and server?- a)Public
- b)Private
- c)Nocache/nostore
- d)Maxage
Correct answer is option 'B'. Can you explain this answer?
Which of the following directive of Cache Control Header of HTTP response indicates that resource is cachable by only client and server?
a)
Public
b)
Private
c)
Nocache/nostore
d)
Maxage
|
|
Baishali Dasgupta answered |
Private
The 'Private' directive of the Cache Control Header in an HTTP response indicates that the resource is cachable by only the client and server. This means that intermediate proxies, such as caching servers, are not allowed to cache the response.
Cache Control Header
The Cache Control Header is used in HTTP responses to specify caching directives for the resource being requested. It provides instructions to the client and intermediate caches on how to handle the response and cache the resource.
Directives in Cache Control Header
The Cache Control Header can include various directives to control caching behavior. Some commonly used directives include:
- 'Public': Indicates that the resource can be cached by any cache, including the client, server, and intermediate proxies.
- 'Private': Indicates that the resource is cachable by only the client and server, and should not be cached by intermediate proxies.
- 'No-cache': Indicates that the resource should not be served from cache without first revalidating it with the server.
- 'No-store': Indicates that the resource should not be stored in any cache, including the client, server, and intermediate proxies.
- 'Max-age': Specifies the maximum amount of time in seconds that the resource can be cached before it is considered stale.
Explanation of 'Private' Directive
The 'Private' directive is used when the resource contains sensitive or user-specific information that should not be cached by intermediate proxies. This directive ensures that the response is only cached by the client and server, preventing any potential privacy or security issues.
When the 'Private' directive is included in the Cache Control Header of an HTTP response, it instructs intermediate caches not to store a cached copy of the resource. Instead, the response is delivered directly to the client and stored in the client's cache if needed. This allows the client to re-use the cached response for subsequent requests without relying on intermediate caches.
By using the 'Private' directive, the server can have more control over the caching behavior of sensitive resources and ensure that they are not inadvertently cached by intermediate proxies. This directive helps in maintaining the privacy and security of the transmitted data.
The 'Private' directive of the Cache Control Header in an HTTP response indicates that the resource is cachable by only the client and server. This means that intermediate proxies, such as caching servers, are not allowed to cache the response.
Cache Control Header
The Cache Control Header is used in HTTP responses to specify caching directives for the resource being requested. It provides instructions to the client and intermediate caches on how to handle the response and cache the resource.
Directives in Cache Control Header
The Cache Control Header can include various directives to control caching behavior. Some commonly used directives include:
- 'Public': Indicates that the resource can be cached by any cache, including the client, server, and intermediate proxies.
- 'Private': Indicates that the resource is cachable by only the client and server, and should not be cached by intermediate proxies.
- 'No-cache': Indicates that the resource should not be served from cache without first revalidating it with the server.
- 'No-store': Indicates that the resource should not be stored in any cache, including the client, server, and intermediate proxies.
- 'Max-age': Specifies the maximum amount of time in seconds that the resource can be cached before it is considered stale.
Explanation of 'Private' Directive
The 'Private' directive is used when the resource contains sensitive or user-specific information that should not be cached by intermediate proxies. This directive ensures that the response is only cached by the client and server, preventing any potential privacy or security issues.
When the 'Private' directive is included in the Cache Control Header of an HTTP response, it instructs intermediate caches not to store a cached copy of the resource. Instead, the response is delivered directly to the client and stored in the client's cache if needed. This allows the client to re-use the cached response for subsequent requests without relying on intermediate caches.
By using the 'Private' directive, the server can have more control over the caching behavior of sensitive resources and ensure that they are not inadvertently cached by intermediate proxies. This directive helps in maintaining the privacy and security of the transmitted data.
What is route poisoning?- a)It sends back the protocol received from a router as a poison pill, which stops the regular updates. The use of variable length subnet masks is permitted
- b)It is information received from a router that can’t be sent back to the originating router.RIPv2 supports classless routing
- c)It prevents regular update messages from reinstating a route that has just come up
- d)It describes when a router sets the metric for a downed link to infinity
Correct answer is option 'D'. Can you explain this answer?
What is route poisoning?
a)
It sends back the protocol received from a router as a poison pill, which stops the regular updates. The use of variable length subnet masks is permitted
b)
It is information received from a router that can’t be sent back to the originating router.RIPv2 supports classless routing
c)
It prevents regular update messages from reinstating a route that has just come up
d)
It describes when a router sets the metric for a downed link to infinity
|
Samridhi Ahuja answered |
Route Poisoning:
Route poisoning is a technique used in distance-vector routing protocols to prevent routing loops and ensure efficient routing in a network.
Explanation:
- Definition: Route poisoning involves a router setting the metric for a downed link to infinity, making the route unusable. This prevents regular update messages from reinstating a route that has just come up.
- Preventing Routing Loops: By setting the metric to infinity for a downed link, route poisoning helps in preventing routing loops. It informs other routers in the network that the route is no longer available.
- Efficient Routing: Route poisoning helps in quickly propagating information about a failed link throughout the network, allowing routers to update their routing tables and find alternative paths.
- Example: For example, in a network using the RIP (Routing Information Protocol) routing protocol, when a router detects that a link has failed, it sends an update with a metric of 16 (infinity) to inform other routers about the unavailability of that route.
- Impact on Convergence: Route poisoning helps in faster convergence of the network by promptly updating routing tables when a link goes down.
- Protocol Support: Route poisoning is commonly used in distance-vector routing protocols like RIP to maintain network stability and prevent routing anomalies.
In conclusion, route poisoning plays a crucial role in ensuring efficient and loop-free routing in network environments using distance-vector routing protocols by marking failed routes as unreachable with an infinite metric.
Route poisoning is a technique used in distance-vector routing protocols to prevent routing loops and ensure efficient routing in a network.
Explanation:
- Definition: Route poisoning involves a router setting the metric for a downed link to infinity, making the route unusable. This prevents regular update messages from reinstating a route that has just come up.
- Preventing Routing Loops: By setting the metric to infinity for a downed link, route poisoning helps in preventing routing loops. It informs other routers in the network that the route is no longer available.
- Efficient Routing: Route poisoning helps in quickly propagating information about a failed link throughout the network, allowing routers to update their routing tables and find alternative paths.
- Example: For example, in a network using the RIP (Routing Information Protocol) routing protocol, when a router detects that a link has failed, it sends an update with a metric of 16 (infinity) to inform other routers about the unavailability of that route.
- Impact on Convergence: Route poisoning helps in faster convergence of the network by promptly updating routing tables when a link goes down.
- Protocol Support: Route poisoning is commonly used in distance-vector routing protocols like RIP to maintain network stability and prevent routing anomalies.
In conclusion, route poisoning plays a crucial role in ensuring efficient and loop-free routing in network environments using distance-vector routing protocols by marking failed routes as unreachable with an infinite metric.
Which protocol maintains neighbor adjacencies?- a)RIPv2 and EIGRP
- b)IGRP and EIGRP
- c)RIPv2
- d)EIGRP
Correct answer is option 'C'. Can you explain this answer?
Which protocol maintains neighbor adjacencies?
a)
RIPv2 and EIGRP
b)
IGRP and EIGRP
c)
RIPv2
d)
EIGRP
|
Pranab Banerjee answered |
Answer: c
Explanation: RIP V2 maintains neighbor adjacencies.
Explanation: RIP V2 maintains neighbor adjacencies.
In Novell’s use of RIP, there are two metrics used to make routing decisions.Select the two metrics.- a)Ticks
- b)Hops
- c)Loops
- d)Counts
Correct answer is option 'A,B'. Can you explain this answer?
In Novell’s use of RIP, there are two metrics used to make routing decisions.Select the two metrics.
a)
Ticks
b)
Hops
c)
Loops
d)
Counts
|
|
Garima Bose answered |
Novell is a software company that was founded in 1979 and is known for its network operating system, Novell NetWare. The company initially focused on creating networking software and services, but later expanded its offerings to include collaboration, security, and identity management solutions.
Novell gained popularity in the 1980s and 1990s with its NetWare operating system, which was widely used in corporate environments for networking and file sharing. NetWare was known for its reliability, security, and scalability, making it a popular choice for businesses.
In addition to NetWare, Novell also developed other software products such as GroupWise for email and collaboration, ZENworks for endpoint management, and eDirectory for identity management.
However, with the rise of the internet and the increasing popularity of Microsoft's Windows operating system, Novell's market share declined. In 2003, Novell acquired the Linux distribution, SUSE, in an effort to expand its offerings in the open-source software market.
Despite its efforts to adapt to the changing technology landscape, Novell struggled to regain its former dominance. In 2011, the company was acquired by Attachmate, and later, in 2014, Attachmate was acquired by Micro Focus International.
Today, Novell is a subsidiary of Micro Focus International and continues to offer a range of software and services for enterprise IT management, focusing on areas such as hybrid IT, security, and analytics.
Novell gained popularity in the 1980s and 1990s with its NetWare operating system, which was widely used in corporate environments for networking and file sharing. NetWare was known for its reliability, security, and scalability, making it a popular choice for businesses.
In addition to NetWare, Novell also developed other software products such as GroupWise for email and collaboration, ZENworks for endpoint management, and eDirectory for identity management.
However, with the rise of the internet and the increasing popularity of Microsoft's Windows operating system, Novell's market share declined. In 2003, Novell acquired the Linux distribution, SUSE, in an effort to expand its offerings in the open-source software market.
Despite its efforts to adapt to the changing technology landscape, Novell struggled to regain its former dominance. In 2011, the company was acquired by Attachmate, and later, in 2014, Attachmate was acquired by Micro Focus International.
Today, Novell is a subsidiary of Micro Focus International and continues to offer a range of software and services for enterprise IT management, focusing on areas such as hybrid IT, security, and analytics.
The file transfer protocol is built on- a)Data centric architecture
- b)Service oriented architecture
- c)Client server architecture
- d)None of the mentioned
Correct answer is option 'C'. Can you explain this answer?
The file transfer protocol is built on
a)
Data centric architecture
b)
Service oriented architecture
c)
Client server architecture
d)
None of the mentioned
|
|
Rajat Sharma answered |
Answer: c
Explanation: FTP is built on client server architecture.
Explanation: FTP is built on client server architecture.
HTTP is ________ protocol.- a)Application layer
- b)Transport layer
- c)Network layer
- d)None of the mentioned
Correct answer is option 'A'. Can you explain this answer?
HTTP is ________ protocol.
a)
Application layer
b)
Transport layer
c)
Network layer
d)
None of the mentioned
|
|
Suyash Chauhan answered |
Answer: a
Explanation: HTTP works on application layer.
Explanation: HTTP works on application layer.
What does the following series of commands accomplish? RouterIGRP 71 network10.0.0.0 router IGRP 109 network 172.68.7.0- a)It isolates networks 10.0.0.0 and 172.68.7.0
- b)It loads IGRP for networks 109 and 71
- c)It disables RIP
- d)It disables all routing protocols
Correct answer is option 'A'. Can you explain this answer?
What does the following series of commands accomplish? RouterIGRP 71 network10.0.0.0 router IGRP 109 network 172.68.7.0
a)
It isolates networks 10.0.0.0 and 172.68.7.0
b)
It loads IGRP for networks 109 and 71
c)
It disables RIP
d)
It disables all routing protocols
|
Tanvi Datta answered |
Answer: a
Explanation: It isolates network 10.0.0.0 and 172.68.7.0 and associates autonomous systems 109 and71 with IGRP. IGRP does not disable RIP, both can be used at the same time.
Explanation: It isolates network 10.0.0.0 and 172.68.7.0 and associates autonomous systems 109 and71 with IGRP. IGRP does not disable RIP, both can be used at the same time.
What is the constraint on the data per cookie?- a)2 KB
- b)1 KB
- c)4 KB
- d)3 KB
Correct answer is option 'C'. Can you explain this answer?
What is the constraint on the data per cookie?
a)
2 KB
b)
1 KB
c)
4 KB
d)
3 KB
|
|
Ashutosh Mukherjee answered |
Answer: c
Explanation: Each cookie can hold upto only 4 KB. In practice, browsers allow many more than 300 cookies total, but the 4 KB size limit may still be enforced by some.
Explanation: Each cookie can hold upto only 4 KB. In practice, browsers allow many more than 300 cookies total, but the 4 KB size limit may still be enforced by some.
Which of the following is a best practice to create a standard URI for a web service?- a)Maintain Backward Compatibility
- b)Use HTTP Verb
- c)Both of the mentioned
- d)None of the mentioned
Correct answer is option 'C'. Can you explain this answer?
Which of the following is a best practice to create a standard URI for a web service?
a)
Maintain Backward Compatibility
b)
Use HTTP Verb
c)
Both of the mentioned
d)
None of the mentioned
|
Prerna Joshi answered |
Answer: C
Explanation: Both of the above options are correct.
Explanation: Both of the above options are correct.
Several techniques can make size of routing table manageable and also handle issues such as- a)Maturity
- b)Error reporting
- c)Tunneling
- d)Security
Correct answer is option 'D'. Can you explain this answer?
Several techniques can make size of routing table manageable and also handle issues such as
a)
Maturity
b)
Error reporting
c)
Tunneling
d)
Security
|
|
Sreemoyee Singh answered |
Answer: d
Explanation: To visible only accessing sub networks.
Explanation: To visible only accessing sub networks.
Which command displays RIP routing updates?- a)Show IP route
- b)Debug IP rip
- c)Show protocols
- d)Debug IP route
Correct answer is option 'B'. Can you explain this answer?
Which command displays RIP routing updates?
a)
Show IP route
b)
Debug IP rip
c)
Show protocols
d)
Debug IP route
|
|
Ujwal Roy answered |
Answer: b
Explanation: The debug IP rip command is used to show the Internet Protocol (IP) Routing Information Protocol (RIP) updates being sent and received on the router.
Explanation: The debug IP rip command is used to show the Internet Protocol (IP) Routing Information Protocol (RIP) updates being sent and received on the router.
Which of the following explains Cookies nature?- a)Non Volatile
- b)Volatile
- c)Intransient
- d)Transient
Correct answer is option 'D'. Can you explain this answer?
Which of the following explains Cookies nature?
a)
Non Volatile
b)
Volatile
c)
Intransient
d)
Transient
|
|
Krithika Kaur answered |
Answer: d
Explanation: Cookies are transient by default; the values they store last for the duration of the web browser session but are lost when the user exits the browser.
Explanation: Cookies are transient by default; the values they store last for the duration of the web browser session but are lost when the user exits the browser.
Which classes are used for connection-less socket programming?- a)Datagram Socket
- b)Datagram Packet
- c)Both A & B
- d)None of the above
Correct answer is option 'C'. Can you explain this answer?
Which classes are used for connection-less socket programming?
a)
Datagram Socket
b)
Datagram Packet
c)
Both A & B
d)
None of the above
|
|
Keerthana Sarkar answered |
Answer: c
Explanation: Datagram Socket, Datagram Packet are used for connection-less socket programming.
Explanation: Datagram Socket, Datagram Packet are used for connection-less socket programming.
In Unicast Routing, Dijkstra algorithm creates a shortest path tree from a- a)Graph
- b)Tree
- c)Network
- d)Link
Correct answer is option 'A'. Can you explain this answer?
In Unicast Routing, Dijkstra algorithm creates a shortest path tree from a
a)
Graph
b)
Tree
c)
Network
d)
Link
|
|
Shraddha Iyer answered |
Answer: a
Explanation: Graph technique is used for best node finding technic with shortest path algorithms.
Explanation: Graph technique is used for best node finding technic with shortest path algorithms.
Which NetWare protocol provides link-state routing?- a)NLSP
- b)RIP
- c)SAP
- d)NCP
Correct answer is option 'A'. Can you explain this answer?
Which NetWare protocol provides link-state routing?
a)
NLSP
b)
RIP
c)
SAP
d)
NCP
|
|
Shounak Sengupta answered |
Answer: a
Explanation: NetWare Link Services Protocol (NLSP) provides link-state routing. SAP (Service Advertisement Protocol) advertises network services. NCP (NetWare Core Protocol)provides client-to-server connections and applications. RIP is a distance vector routingprotocol.
Explanation: NetWare Link Services Protocol (NLSP) provides link-state routing. SAP (Service Advertisement Protocol) advertises network services. NCP (NetWare Core Protocol)provides client-to-server connections and applications. RIP is a distance vector routingprotocol.
Multiple object can be sent over a TCP connection between client and server in- a)Persistent HTTP
- b)Ponpersistent HTTP
- c)Both (a) and (b)
- d)None of the mentioned
Correct answer is option 'A'. Can you explain this answer?
Multiple object can be sent over a TCP connection between client and server in
a)
Persistent HTTP
b)
Ponpersistent HTTP
c)
Both (a) and (b)
d)
None of the mentioned
|
|
Atharva Das answered |
Answer: a
Explanation: hypertext transfer protocol is used for sending multiple objects over TCP connection.
Explanation: hypertext transfer protocol is used for sending multiple objects over TCP connection.
Which protocol should you select if the network diameter is more than 17 hops?- a)RIPv1
- b)RIPv2
- c)EIGRP
- d)All of the above
Correct answer is option 'B'. Can you explain this answer?
Which protocol should you select if the network diameter is more than 17 hops?
a)
RIPv1
b)
RIPv2
c)
EIGRP
d)
All of the above
|
|
Anisha Ahuja answered |
Answer: b
Explanation: RIPv2protocol should you select if the network diameter is more than 17 hops.
Explanation: RIPv2protocol should you select if the network diameter is more than 17 hops.
You type debug IP rip on your router console and see that 172.16.10.0 is being advertised to you with a metric of 16. What does this mean?- a)The route is 16 hops away Debug IP rip
- b)The route has a delay of 16 microseconds Debug IP route
- c)The route is inaccessible
- d)The route is queued at 16 messages a second
Correct answer is option 'C'. Can you explain this answer?
You type debug IP rip on your router console and see that 172.16.10.0 is being advertised to you with a metric of 16. What does this mean?
a)
The route is 16 hops away Debug IP rip
b)
The route has a delay of 16 microseconds Debug IP route
c)
The route is inaccessible
d)
The route is queued at 16 messages a second
|
Bibek Chakraborty answered |
Answer: c
Explanation: You cannot have 16 hops on a RIP network by default. If you receive a route advertised with a metric of 16, this means it is inaccessible.
Explanation: You cannot have 16 hops on a RIP network by default. If you receive a route advertised with a metric of 16, this means it is inaccessible.
Network layer firewall has two sub-categories as- a)stateful firewall and stateless firewall
- b)bit oriented firewall and byte oriented firewall
- c)frame firewall and packet firewall
- d)none of the mentioned
Correct answer is option 'A'. Can you explain this answer?
Network layer firewall has two sub-categories as
a)
stateful firewall and stateless firewall
b)
bit oriented firewall and byte oriented firewall
c)
frame firewall and packet firewall
d)
none of the mentioned
|
|
Nandini Joshi answered |
Network Layer Firewall: Stateful Firewall and Stateless Firewall
Stateful Firewall
- Keeps track of the state of network connections
- Examines the state of incoming packets to determine whether they are part of an existing connection or a new connection
- If the packet is part of an existing connection, it is allowed to pass through the firewall
- If the packet is not part of an existing connection, the firewall determines whether it meets the criteria for a new connection and either allows or blocks it accordingly
- Examples of stateful firewalls include Cisco ASA, Check Point Firewall, and Fortinet FortiGate
Stateless Firewall
- Does not keep track of the state of network connections
- Examines each packet individually and makes decisions based on predetermined rules
- If the packet matches a rule, it is allowed to pass through the firewall
- If the packet does not match any rules, it is blocked
- Stateless firewalls are less complex and less resource-intensive than stateful firewalls
- Examples of stateless firewalls include Linux iptables and Cisco IOS Access Control Lists
Conclusion
- Network layer firewalls can be categorized into stateful and stateless firewalls
- Stateful firewalls keep track of network connections and examine the state of incoming packets to make decisions
- Stateless firewalls examine each packet individually and make decisions based on predetermined rules
- Each type of firewall has its advantages and disadvantages, and the choice between them depends on the specific requirements of the network and the organization using it.
Stateful Firewall
- Keeps track of the state of network connections
- Examines the state of incoming packets to determine whether they are part of an existing connection or a new connection
- If the packet is part of an existing connection, it is allowed to pass through the firewall
- If the packet is not part of an existing connection, the firewall determines whether it meets the criteria for a new connection and either allows or blocks it accordingly
- Examples of stateful firewalls include Cisco ASA, Check Point Firewall, and Fortinet FortiGate
Stateless Firewall
- Does not keep track of the state of network connections
- Examines each packet individually and makes decisions based on predetermined rules
- If the packet matches a rule, it is allowed to pass through the firewall
- If the packet does not match any rules, it is blocked
- Stateless firewalls are less complex and less resource-intensive than stateful firewalls
- Examples of stateless firewalls include Linux iptables and Cisco IOS Access Control Lists
Conclusion
- Network layer firewalls can be categorized into stateful and stateless firewalls
- Stateful firewalls keep track of network connections and examine the state of incoming packets to make decisions
- Stateless firewalls examine each packet individually and make decisions based on predetermined rules
- Each type of firewall has its advantages and disadvantages, and the choice between them depends on the specific requirements of the network and the organization using it.
The Cookie manipulation is done using which property?- a)cookie
- b)cookies
- c)manipulate
- d)none of the mentioned
Correct answer is option 'A'. Can you explain this answer?
The Cookie manipulation is done using which property?
a)
cookie
b)
cookies
c)
manipulate
d)
none of the mentioned
|
|
Nisha Das answered |
Answer: a
Explanation: There are no methods involved: cookies are queried, set, and deleted by reading and Writing the cookie property of the Document object using specially formatted strings.
Explanation: There are no methods involved: cookies are queried, set, and deleted by reading and Writing the cookie property of the Document object using specially formatted strings.
RPF stands for- a)Reverse Path Forwarding
- b)Reverse Path Failure
- c)Reverse Packet Forwarding
- d)Reverse Protocol Failure
Correct answer is option 'A'. Can you explain this answer?
RPF stands for
a)
Reverse Path Forwarding
b)
Reverse Path Failure
c)
Reverse Packet Forwarding
d)
Reverse Protocol Failure
|
|
Sreemoyee Singh answered |
Answer: a
Explanation: Reverse Path Forwarding.
Explanation: Reverse Path Forwarding.
TCP, FTP, Telnet, SMTP, POP etc. are examples of?- a)Socket
- b)IP Address
- c)Protocol
- d)MAC Address
Correct answer is option 'C'. Can you explain this answer?
TCP, FTP, Telnet, SMTP, POP etc. are examples of?
a)
Socket
b)
IP Address
c)
Protocol
d)
MAC Address
|
|
Arka Dasgupta answered |
Answer: c
Explanation: TCP, FTP, Telnet, SMTP, POP etc. are examples of Protocol.
Explanation: TCP, FTP, Telnet, SMTP, POP etc. are examples of Protocol.
Two connected routers are configured with RIP routing. What will be the result when a router receives a routing update that contains a higher-cost path to a network already in its routing table?- a)The updated information will be added to the existing routing table Debug IP rip
- b)The update will be ignored and no further action will occur Debug IP route
- c)The updated information will replace the existing routing table entry
- d)The existing routing table entry will be deleted from the routing table and all routers will exchange routing updates to reach convergence
Correct answer is option 'B'. Can you explain this answer?
Two connected routers are configured with RIP routing. What will be the result when a router receives a routing update that contains a higher-cost path to a network already in its routing table?
a)
The updated information will be added to the existing routing table Debug IP rip
b)
The update will be ignored and no further action will occur Debug IP route
c)
The updated information will replace the existing routing table entry
d)
The existing routing table entry will be deleted from the routing table and all routers will exchange routing updates to reach convergence
|
|
Advait Shah answered |
Answer: b
Explanation: When a routing update is received by a router, the router first checks the administrative distance (AD) and always chooses the route with the lowest AD. However, if two routes are received and they both have the same AD, then the router will choose the one route with the lowest metrics, or in RIP’s case, hop count.
Explanation: When a routing update is received by a router, the router first checks the administrative distance (AD) and always chooses the route with the lowest AD. However, if two routes are received and they both have the same AD, then the router will choose the one route with the lowest metrics, or in RIP’s case, hop count.
You are a system administrator on a NetWare network, you are runningNetWare 4.11 and you cannot communicate with your router. What is the likelyproblem?- a)NetWare 4.11 defaults to 802.2 encapsulation
- b)NetWare 4.11 defaults to 802.3 encapsulation
- c)Cisco routers only work with NetWare 3.11
- d)NetWare 3.11 defaults to 802.2 encapsulation
Correct answer is option 'A'. Can you explain this answer?
You are a system administrator on a NetWare network, you are runningNetWare 4.11 and you cannot communicate with your router. What is the likelyproblem?
a)
NetWare 4.11 defaults to 802.2 encapsulation
b)
NetWare 4.11 defaults to 802.3 encapsulation
c)
Cisco routers only work with NetWare 3.11
d)
NetWare 3.11 defaults to 802.2 encapsulation
|
|
Subham Saha answered |
Answer: a
Explanation: The default encapsulation on Cisco routers is Novell Ethernet_802.3 and NetWare 3.12and later defaults to 802.2 encapsulation, 3.11 and earlier defaults to 802.3.
Explanation: The default encapsulation on Cisco routers is Novell Ethernet_802.3 and NetWare 3.12and later defaults to 802.2 encapsulation, 3.11 and earlier defaults to 802.3.
In file transfer protocol, data transfer can be done in- a)Stream mode
- b)Block mode
- c)Compressed mode
- d)All of the mentioned
Correct answer is option 'D'. Can you explain this answer?
In file transfer protocol, data transfer can be done in
a)
Stream mode
b)
Block mode
c)
Compressed mode
d)
All of the mentioned
|
|
Rahul Chavan answered |
Answer: d
Explanation: Data transfer can be done in stream, block and compressed modes.
Explanation: Data transfer can be done in stream, block and compressed modes.
Which attribute is used to extend the lifetime of a cookie?- a)Higherage
- b)Increaseage
- c)Maxage
- d)Lifetime
Correct answer is option 'C'. Can you explain this answer?
Which attribute is used to extend the lifetime of a cookie?
a)
Higherage
b)
Increaseage
c)
Maxage
d)
Lifetime
|
|
Prasad Unni answered |
The correct answer is option 'C' - Maxage.
Explanation:
To understand why the Max-age attribute is used to extend the lifetime of a cookie, let's first understand what a cookie is and how it works.
A cookie is a small piece of data that is stored on a user's computer by a website. It is sent back and forth between the user's browser and the website's server, allowing the website to remember certain information about the user. Cookies are commonly used for various purposes such as session management, personalization, and tracking.
When a cookie is created, it can have an expiration date specified. This expiration date determines how long the cookie will be stored on the user's computer. If no expiration date is specified, the cookie is considered a session cookie and will be deleted when the user closes their browser.
The Max-age attribute is used to set the maximum age of a cookie in seconds. By setting a value for Max-age, you can extend the lifetime of a cookie beyond the user's current session. The Max-age value indicates the number of seconds the cookie should be stored on the user's computer before it expires.
By increasing the Max-age value, you effectively extend the lifetime of the cookie. For example, if you set Max-age to 3600 (1 hour), the cookie will be stored on the user's computer for 1 hour before it expires. If you want the cookie to remain valid for a longer period, you can increase the Max-age value accordingly.
The Max-age attribute can be set when creating a cookie or when modifying an existing cookie. By updating the Max-age value, you can effectively extend the lifetime of the cookie.
In conclusion, the Max-age attribute is used to extend the lifetime of a cookie by specifying the maximum number of seconds the cookie should be stored on the user's computer before it expires.
Explanation:
To understand why the Max-age attribute is used to extend the lifetime of a cookie, let's first understand what a cookie is and how it works.
A cookie is a small piece of data that is stored on a user's computer by a website. It is sent back and forth between the user's browser and the website's server, allowing the website to remember certain information about the user. Cookies are commonly used for various purposes such as session management, personalization, and tracking.
When a cookie is created, it can have an expiration date specified. This expiration date determines how long the cookie will be stored on the user's computer. If no expiration date is specified, the cookie is considered a session cookie and will be deleted when the user closes their browser.
The Max-age attribute is used to set the maximum age of a cookie in seconds. By setting a value for Max-age, you can extend the lifetime of a cookie beyond the user's current session. The Max-age value indicates the number of seconds the cookie should be stored on the user's computer before it expires.
By increasing the Max-age value, you effectively extend the lifetime of the cookie. For example, if you set Max-age to 3600 (1 hour), the cookie will be stored on the user's computer for 1 hour before it expires. If you want the cookie to remain valid for a longer period, you can increase the Max-age value accordingly.
The Max-age attribute can be set when creating a cookie or when modifying an existing cookie. By updating the Max-age value, you can effectively extend the lifetime of the cookie.
In conclusion, the Max-age attribute is used to extend the lifetime of a cookie by specifying the maximum number of seconds the cookie should be stored on the user's computer before it expires.
How can you set a Cookie visibility scope to local Storage?- a)/
- b)%
- c)*
- d)All of the mentioned
Correct answer is option 'A'. Can you explain this answer?
How can you set a Cookie visibility scope to local Storage?
a)
/
b)
%
c)
*
d)
All of the mentioned
|
|
Kunal Gupta answered |
Introduction
In web development, cookies are small pieces of data that are stored on the user's computer by websites. They are used to remember information about the user, such as their preferences or login credentials. Cookies have a visibility scope, which determines which websites and pages can access them. One of the visibility scopes is local storage, which allows cookies to be accessed only by the website that created them.
Setting Cookie Visibility Scope to Local Storage
To set the cookie visibility scope to local storage, you need to include specific attributes when creating the cookie. These attributes are:
1. Domain: The domain attribute specifies the domain that is allowed to access the cookie. To set the cookie visibility scope to local storage, you should set the domain attribute to the current domain.
2. Path: The path attribute specifies the URL path that is allowed to access the cookie. To set the cookie visibility scope to local storage, you should set the path attribute to the root path ("/") so that all pages within the domain can access the cookie.
3. Secure: The secure attribute specifies whether the cookie should only be sent over secure connections (HTTPS). Setting the secure attribute to true ensures that the cookie is only accessible over a secure connection, further enhancing its visibility scope.
By including these attributes when creating a cookie, you ensure that the cookie is only accessible by the website that created it and can be stored in the local storage of the user's browser.
Example
Here is an example of setting the cookie visibility scope to local storage in JavaScript:
```javascript
document.cookie = "cookieName=cookieValue; domain=example.com; path=/; secure=true";
```
In this example, the cookie is created with the name "cookieName" and the value "cookieValue". The domain is set to "example.com" to restrict access to the current domain, and the path is set to "/" to allow access to all pages within the domain. Finally, the secure attribute is set to true to ensure the cookie is only sent over secure connections.
Conclusion
Setting the cookie visibility scope to local storage involves including the domain, path, and secure attributes when creating the cookie. By specifying the current domain, setting the path to the root path, and enabling the secure attribute, you can restrict access to the cookie and ensure it is stored in the local storage of the user's browser.
In web development, cookies are small pieces of data that are stored on the user's computer by websites. They are used to remember information about the user, such as their preferences or login credentials. Cookies have a visibility scope, which determines which websites and pages can access them. One of the visibility scopes is local storage, which allows cookies to be accessed only by the website that created them.
Setting Cookie Visibility Scope to Local Storage
To set the cookie visibility scope to local storage, you need to include specific attributes when creating the cookie. These attributes are:
1. Domain: The domain attribute specifies the domain that is allowed to access the cookie. To set the cookie visibility scope to local storage, you should set the domain attribute to the current domain.
2. Path: The path attribute specifies the URL path that is allowed to access the cookie. To set the cookie visibility scope to local storage, you should set the path attribute to the root path ("/") so that all pages within the domain can access the cookie.
3. Secure: The secure attribute specifies whether the cookie should only be sent over secure connections (HTTPS). Setting the secure attribute to true ensures that the cookie is only accessible over a secure connection, further enhancing its visibility scope.
By including these attributes when creating a cookie, you ensure that the cookie is only accessible by the website that created it and can be stored in the local storage of the user's browser.
Example
Here is an example of setting the cookie visibility scope to local storage in JavaScript:
```javascript
document.cookie = "cookieName=cookieValue; domain=example.com; path=/; secure=true";
```
In this example, the cookie is created with the name "cookieName" and the value "cookieValue". The domain is set to "example.com" to restrict access to the current domain, and the path is set to "/" to allow access to all pages within the domain. Finally, the secure attribute is set to true to ensure the cookie is only sent over secure connections.
Conclusion
Setting the cookie visibility scope to local storage involves including the domain, path, and secure attributes when creating the cookie. By specifying the current domain, setting the path to the root path, and enabling the secure attribute, you can restrict access to the cookie and ensure it is stored in the local storage of the user's browser.
Where we should use default routing- a)On stub networks- which have only one exit path out of the network
- b)Which have more than one exit path out of the network
- c)Minimum five exit paths out of the network
- d)None of the mentioned
Correct answer is option 'A'. Can you explain this answer?
Where we should use default routing
a)
On stub networks- which have only one exit path out of the network
b)
Which have more than one exit path out of the network
c)
Minimum five exit paths out of the network
d)
None of the mentioned
|
|
Subham Menon answered |
Answer: a
Explanation: On stub networks- which have only one exit path out of the networkuse default routing.
Explanation: On stub networks- which have only one exit path out of the networkuse default routing.
Which protocol should you select if the network diameter is more than 17 hops?- a)RIPv1
- b)RIPv2
- c)EIGRP
- d)Both a and b
Correct answer is option 'A'. Can you explain this answer?
Which protocol should you select if the network diameter is more than 17 hops?
a)
RIPv1
b)
RIPv2
c)
EIGRP
d)
Both a and b
|
|
Kiran Chakraborty answered |
The correct answer is option 'A' - RIPv1.
Explanation:
RIPv1 (Routing Information Protocol version 1) is the best choice when the network diameter is more than 17 hops. Here's why:
1. Limitations of RIPv1:
RIPv1 has a limitation of supporting a maximum hop count of 15. This means that it can only handle networks with a diameter of up to 15 hops. If the network diameter exceeds 15 hops, RIPv1 will not be able to accurately calculate and maintain the routing tables.
2. Network Diameter:
The network diameter refers to the maximum number of hops between any two nodes in the network. In this case, the network diameter is more than 17 hops, which exceeds the maximum hop count supported by RIPv1.
3. RIPv2:
RIPv2 (Routing Information Protocol version 2) is an enhanced version of RIPv1 that overcomes some of its limitations, including the maximum hop count. RIPv2 supports a maximum hop count of 16, which allows it to handle slightly larger networks compared to RIPv1.
4. EIGRP:
EIGRP (Enhanced Interior Gateway Routing Protocol) is another routing protocol that is commonly used in larger networks. Unlike RIPv1 and RIPv2, EIGRP is a distance vector protocol that uses more advanced algorithms to calculate routes and maintain routing tables. EIGRP can handle larger network diameters and provides faster convergence compared to RIPv1 and RIPv2.
5. Conclusion:
Considering the limitations of RIPv1, it is not suitable for networks with a diameter of more than 17 hops. RIPv2 or EIGRP would be better choices in such scenarios. However, since the given options only include RIPv1 and RIPv2, RIPv1 is the only suitable choice among them.
In summary, when the network diameter exceeds 17 hops, RIPv1 is the most appropriate protocol to select from the given options.
Explanation:
RIPv1 (Routing Information Protocol version 1) is the best choice when the network diameter is more than 17 hops. Here's why:
1. Limitations of RIPv1:
RIPv1 has a limitation of supporting a maximum hop count of 15. This means that it can only handle networks with a diameter of up to 15 hops. If the network diameter exceeds 15 hops, RIPv1 will not be able to accurately calculate and maintain the routing tables.
2. Network Diameter:
The network diameter refers to the maximum number of hops between any two nodes in the network. In this case, the network diameter is more than 17 hops, which exceeds the maximum hop count supported by RIPv1.
3. RIPv2:
RIPv2 (Routing Information Protocol version 2) is an enhanced version of RIPv1 that overcomes some of its limitations, including the maximum hop count. RIPv2 supports a maximum hop count of 16, which allows it to handle slightly larger networks compared to RIPv1.
4. EIGRP:
EIGRP (Enhanced Interior Gateway Routing Protocol) is another routing protocol that is commonly used in larger networks. Unlike RIPv1 and RIPv2, EIGRP is a distance vector protocol that uses more advanced algorithms to calculate routes and maintain routing tables. EIGRP can handle larger network diameters and provides faster convergence compared to RIPv1 and RIPv2.
5. Conclusion:
Considering the limitations of RIPv1, it is not suitable for networks with a diameter of more than 17 hops. RIPv2 or EIGRP would be better choices in such scenarios. However, since the given options only include RIPv1 and RIPv2, RIPv1 is the only suitable choice among them.
In summary, when the network diameter exceeds 17 hops, RIPv1 is the most appropriate protocol to select from the given options.
Which one of the following algorithm is not used in asymmetric-key cryptography?- a)rsa algorithm
- b)diffie-hellman algorithm
- c)electronic code book algorithm
- d)none of the mentioned
Correct answer is option 'C'. Can you explain this answer?
Which one of the following algorithm is not used in asymmetric-key cryptography?
a)
rsa algorithm
b)
diffie-hellman algorithm
c)
electronic code book algorithm
d)
none of the mentioned
|
Anirban Khanna answered |
The asymmetric algorithm as outlined in the Diffie-Hellman paper uses numbers raised to specific powers to produce decryption keys. RSA (Rivest-Shamir-Adleman), the most widely used asymmetric algorithm, is embedded in the SSL/TLS protocol which is used to provide communications security over a computer network.
Which type of Ethernet framing is used for TCP/IP and DEC net?- a)Ethernet 802.3
- b)Ethernet 802.2
- c)Ethernet II
- d)Ethernet SNAP
Correct answer is option 'C'. Can you explain this answer?
Which type of Ethernet framing is used for TCP/IP and DEC net?
a)
Ethernet 802.3
b)
Ethernet 802.2
c)
Ethernet II
d)
Ethernet SNAP
|
|
Prasad Unni answered |
Answer: c
Explanation: Ethernet 802.3 is used with NetWare versions 2 through 3.11, Ethernet 802.2 is used withNetWare 3.12 and later plus OSI routing, Ethernet II is used with TCP/IP and DEC net,and Ethernet SNAP is used with TCP/IP and AppleTalk.
Explanation: Ethernet 802.3 is used with NetWare versions 2 through 3.11, Ethernet 802.2 is used withNetWare 3.12 and later plus OSI routing, Ethernet II is used with TCP/IP and DEC net,and Ethernet SNAP is used with TCP/IP and AppleTalk.
Which of the following protocol is used by Restful web services as a medium of communication between client and server?- a)HTTP
- b)FTP
- c)Gopher
- d)None of the mentioned
Correct answer is option 'A'. Can you explain this answer?
Which of the following protocol is used by Restful web services as a medium of communication between client and server?
a)
HTTP
b)
FTP
c)
Gopher
d)
None of the mentioned
|
|
Jaya Chakraborty answered |
Answer: a
Explanation: Restful web services make use of HTTP protocol as a medium of communication between client and server.
Explanation: Restful web services make use of HTTP protocol as a medium of communication between client and server.
In HTTP pipelining- a)Multiple HTTP requests are sent on a single TCP connection without waiting for the corresponding responses
- b)Multiple HTTP requests cannot be sent on a single TCP connection
- c)Multiple HTTP requests are sent in a queue on a single TCP connection
- d)None of the mentioned
Correct answer is option 'A'. Can you explain this answer?
In HTTP pipelining
a)
Multiple HTTP requests are sent on a single TCP connection without waiting for the corresponding responses
b)
Multiple HTTP requests cannot be sent on a single TCP connection
c)
Multiple HTTP requests are sent in a queue on a single TCP connection
d)
None of the mentioned
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Aniket Kulkarni answered |
Answer: a
Explanation: Multiple HTTP requests are sent on a single TCP connection without waiting for the corresponding responses in HTTP pipelining.
Explanation: Multiple HTTP requests are sent on a single TCP connection without waiting for the corresponding responses in HTTP pipelining.
Which of the following annotation of JAX RS API is used to annotate a method used to create resource?- a)@Path
- b)@GET
- c)@PUT
- d)@POST
Correct answer is option 'C'. Can you explain this answer?
Which of the following annotation of JAX RS API is used to annotate a method used to create resource?
a)
@Path
b)
@GET
c)
@PUT
d)
@POST
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Shraddha Iyer answered |
Answer: C
Explanation: @PUT – HTTP Get request, used to create resource.
Explanation: @PUT – HTTP Get request, used to create resource.
Cookies were originally designed for- a)Client side programming
- b)Server side programming
- c)Both a and b
- d)None of the mentioned
Correct answer is option 'B'. Can you explain this answer?
Cookies were originally designed for
a)
Client side programming
b)
Server side programming
c)
Both a and b
d)
None of the mentioned
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Shruti Tiwari answered |
Answer: b
Explanation: Cookies were originally designed for server side programming, and at the lowest level, they are implemented as an extension to the HTTP protocol.
Explanation: Cookies were originally designed for server side programming, and at the lowest level, they are implemented as an extension to the HTTP protocol.
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