Mindmap: Network Basics & Basic Laws | Network Theory (Electric Circuits) - Electrical Engineering (EE) PDF Download

Mindmap: Network Basics & Basic Laws | Network Theory (Electric Circuits) - Electrical Engineering (EE)

The document Mindmap: Network Basics & Basic Laws | Network Theory (Electric Circuits) - Electrical Engineering (EE) is a part of the Electrical Engineering (EE) Course Network Theory (Electric Circuits).
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FAQs on Mindmap: Network Basics & Basic Laws - Network Theory (Electric Circuits) - Electrical Engineering (EE)

1. What are the fundamental components of a computer network?
Ans. The fundamental components of a computer network include the following: 1. <b>Nodes</b>: These are devices such as computers, printers, and servers that communicate over the network. 2. <b>Transmission Media</b>: This refers to the physical pathways (cables, fiber optics, wireless signals) that connect nodes. 3. <b>Network Interface Cards (NICs)</b>: These are hardware components that allow devices to connect to the network. 4. <b>Switches and Routers</b>: Switches connect devices within a single network, while routers connect different networks and direct data traffic. 5. <b>Protocols</b>: These are sets of rules that govern data communication over the network, such as TCP/IP.
2. What is the difference between LAN, WAN, and MAN?
Ans. The differences between LAN, WAN, and MAN are as follows: 1. <b>LAN (Local Area Network)</b>: Covers a small geographic area, such as a single building or campus. It typically offers high-speed connectivity among connected devices. 2. <b>WAN (Wide Area Network)</b>: Covers a larger geographic area, often spanning cities, countries, or even continents. WANs connect multiple LANs and usually have lower speeds due to greater distances. 3. <b>MAN (Metropolitan Area Network)</b>: Falls between LAN and WAN, covering a city or a large campus. It is used to connect multiple LANs within a specific geographic area.
3. What are the basic laws of networking?
Ans. The basic laws of networking include: 1. <b>Metcalfe's Law</b>: The value of a network is proportional to the square of the number of connected users. 2. <b>Reed's Law</b>: The value of a network increases exponentially as the number of groups formed by its users increases. 3. <b>Sarnoff's Law</b>: The value of a broadcast network is proportional to the number of users.
4. How does the OSI model facilitate network communication?
Ans. The OSI (Open Systems Interconnection) model facilitates network communication by providing a framework that standardizes the functions of a networking system into seven layers: 1. <b>Physical Layer</b>: Deals with the physical connection and transmission of data. 2. <b>Data Link Layer</b>: Handles error detection and correction from the physical layer. 3. <b>Network Layer</b>: Manages data routing and forwarding. 4. <b>Transport Layer</b>: Ensures reliable data transfer with error correction. 5. <b>Session Layer</b>: Manages sessions and controls connections between devices. 6. <b>Presentation Layer</b>: Translates data formats and encryption. 7. <b>Application Layer</b>: Interfaces directly with end-user applications.
5. What is the role of IP addresses in networking?
Ans. IP addresses serve several vital roles in networking: 1. <b>Identification</b>: Each device on a network is assigned a unique IP address, allowing it to be identified within that network. 2. <b>Location Addressing</b>: IP addresses provide information about the location of a device in the network, enabling data to be routed correctly. 3. <b>Communication</b>: They facilitate the communication between devices by allowing them to send and receive data packets over the internet or other networks.
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