Test: TCP: Transport Layer - 2


10 Questions MCQ Test Computer Networks - Notes, Videos, MCQs & PPTs | Test: TCP: Transport Layer - 2


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QUESTION: 1

The receiver of the data controls the amount of data that are to be sent by the sender is referred as

Solution:

Answer: a
Explanation: Flow control is done to prevent the receiver from being overwhelmed with data.

QUESTION: 2

Size of TCP segment header ranges between

Solution:

Answer: c
Explanation: The header is 20 bytes if there are no options and upto 60 bytes if it contains options.

QUESTION: 3

 Connection establishment in TCP is done by which mechanism?

Solution:

Answer: b
Explanation: Three-Way Handshaking is used to connect between client and server.

QUESTION: 4

The server program tells its TCP that it is ready to accept a connection. This process is called

Solution:

Answer: d
Explanation: This is the first step in the Three-Way Handshaking process and is started by the server.

QUESTION: 5

The process of, A client that wishes to connect to an open server tells its TCP that it needs to be connected to that particular server is

Solution:

Answer: a
Explanation: This is the second step in the Three-Way Handshaking process and is done by the client once it finds the open server.

QUESTION: 6

In Three-Way Handshaking process, the situation where both the TCP’s issue an active open is

Solution:

Answer: c
Explanation: Here, both TCP’s transmit a SYNC+ACK segment to each other and one single connection is established between them.

QUESTION: 7

 The situation when a malicious attacker sends a large number of SYNC segments to a server, pretending that each of them is coming from a different client by faking the source IP address in the datagrams

Solution:

Answer: a
Explanation: This is the serious security problem during the connection establishment.

QUESTION: 8

SYNC flooding attack belongs to a type of security attack known as

Solution:

Answer: d
Explanation: During SYNC flooding the system collapses and denies service to every request.

QUESTION: 9

Size of source and destination port address of TCP header respectively are

Solution:

Answer: b
Explanation: Size of source and destination ports must be 32-bits.

QUESTION: 10

Connection establishment in TCP is done by which mechanism?

Solution:

Answer: b
Explanation: Three-Way Handshaking is used to terminate the connection between client and server.

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