LO1 - Communications Hardware:

Question 1

What is a Router?

Answer 1

Routers forward data packets between networks - with the ability to form a LAN by connecting devices within a building.

Question 2

What is a Modem?

Answer 2

A modem is a device that converts computer signals into analogue signals for transmission over an existing telephone line. The modem also reverses this process to enable a computer to process the data.

Question 3

What is a Network Hub?

Answer 3

Network Hubs are the central connection point for all devices on a network.

Question 4

What is a Hybrid Network Hub?

Answer 4

A Hybrid Network Hub provides internet access using both wireless and wired methods.

Question 5

What are Network Switches?

Answer 5

Network Switches are devices that receive data packets / transmissions, processes them, and forwards them onto specific devices.

Question 6

What are ADSL Lines?

Answer 6

Asymmetric Digital Subscriber Line (ADSL) modems use existing telephone networks, and are faster at downloading data, than uploading data.

Question 7

What are Network Interface Controllers?

Answer 7

Network Interface Controllers enable desktop computers to connect to a network. Consisting of small circuit boards connected to the motherboard.

Question 8

What are WAPs?

Answer 8

Wireless Access Points (WAPs) are required to connect to a network wirelessly.