Computer Networks

Question 1

What is a network

Answer 1

A group of connected computers/devices that can communicate with one another

Question 2

What is a Local Area Network (LAN)?

Answer 2

A network that covers a SMALL geographical area (e.g. schools, buildings)

Question 3

What is a WAN?

Answer 3

A network that spans a large geographical area (e.g. cities, groups of buildings, entire countries)

Question 4

What is a client server network?

Answer 4

Networks that use client computers served by servers that are responsible for handling requests and holding data

Question 5

What is a Peer-To-Peer network?

Answer 5

Networks that have computers of equal status with no servers. Computers on P2P networks store their own files which can be accessed by other computers on the network

Question 6

What is a NIC?

Answer 6

Network Interface Controller - hardware that allows computers to connect to a network

Question 7

What is a Router?

Answer 7

Device used to connect computers to form a network

Question 8

What is a network Hub?

Answer 8

Network hardware used to connect multiple computers

Question 9

What is a network Switch?

Answer 9

Device used to connect computers together to form a network

Question 10

What is a WAP?

Answer 10

Wireless Access Point - device used to connect computers to a network via Wi-Fi

Question 11

Give 3 pros of a bus topology

Answer 11

• Easy to set up
• Cheap
• Easy to add more devices

Question 12

Give 2 cons of a bus topology

Answer 12

• Lots of data collisions when data is sent simultaneously, causing slow network speeds
• Whole network fails if wire is damaged or if terminator gets removed