GCSE CS Unit 5 Lesson 2 Topolgies

which one is NOT an advantage of networks

• saves money on resources

• allows for central backups

• can access files from different devices

• can spread viruses

High bandwidth is a good thing

• True

• False

High latency is a good thing

• True

• False

Bandwidth is the same as connection speed

• True

• False

Tick ALL the factors that can affect network performance

• Latency

• Collisions

• Bandwith

• Connection speeds

A star topology will cause a network failure if...

• If the hub/switch fails

• If one of the many of the computers fail

• If the printer fails

What is bandwidth?

• The amount of data that can be carried at any one time.

• The overall amount of data I use in a month.

• The speed of my data per second to a friend and back.

What is a protocol?

• An agreed way of communicating between the sending and receiving device

• A network device that connects to a router.

Ethernet is a family of protocols that are responsible for sending and receiving a data along a cable. True or False?

• True

• False

The core of a(n) ______ consists of dozens or hundreds of thin strands of glass or plastic that use light to transmit signals.

• coaxial cable

• twisted-pair cable

• fiber-optic cable

• TCP/IP