Networking Devices: Types and Functions

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What is the main function of a network hub?

Connect devices in a network by copying packets to all ports

At which layer of the OSI model does a network switch operate?

Layer 2

How does a network switch determine where to send each incoming message frame?

By looking at the MAC address

What is a MAC address used for in networking?

Unique identifier for a NIC Signup and view all the answers

What is the key difference between a network hub and a network switch?

Switches forward data based on MAC addresses, hubs broadcast to all ports Signup and view all the answers

How are MAC addresses assigned?

By device manufacturers Signup and view all the answers

What is the function of an Ethernet cable in a wired network?

An Ethernet cable connects devices like PCs, routers, and switches within a local area network. Signup and view all the answers

What is the purpose of a crossover Ethernet cable?

A crossover Ethernet cable is used to connect computing devices directly, such as two computers or two switches. Signup and view all the answers

What is the difference between a straight through and a crossover Ethernet cable?

A straight through cable is used for most purposes and connects different types of devices, while a crossover cable is used to connect similar devices directly. Signup and view all the answers

What is the role of a network interface controller (NIC) in a computer?

A NIC is a computer hardware component that connects a computer to a computer network. Signup and view all the answers

Explain the purpose of a hub in a network.

A hub is a networking device that connects multiple devices in a network, but it operates at the physical layer of the OSI model and does not manage data traffic efficiently. Signup and view all the answers

How does a router differ from a switch in a network?

A router connects different networks and forwards data between them, while a switch connects devices within the same network and forwards data based on MAC addresses. Signup and view all the answers

What is the purpose of a router in a computer network?

A router forwards data packets between computer networks. Signup and view all the answers

How does a modem function in a network?

A modem converts data from a digital format to one suitable for a transmission medium like telephone lines or radio. Signup and view all the answers

Differentiate between a hub and a switch in a local area network (LAN).

A switch can read IP addresses and route data within a network, while a hub simply exchanges data. Signup and view all the answers

How can the MAC address of a device be viewed while it is running?

The MAC address of a device can be viewed using the command 'ipconfig /all'. Signup and view all the answers

Explain the function of a hub in a network.

A hub is used to exchange data within a local area network (LAN). Signup and view all the answers

What type of data does a router forward and how does it identify the destination?

A router forwards data packets based on IP addresses to reach their destination nodes. Signup and view all the answers