Network Basics

Question 1

What does WAN stand for?

Answer 1

Wide area network

Question 2

What does LAN stand for?

Answer 2

local area network

Question 3

What is a local area network?

Answer 3

a network placed on a small site where the owner owns all infrastructure

Question 4

What is a wide area network?

Answer 4

a network which utilises telecommunications (e.g.telecoms) to link nodes together over a large geographical area

Question 5

What is a good example of a wide area network?

Answer 5

the internet (world wide web)

Question 6

What usually is the local area network?

Answer 6

a house, where the owner has all the cabling and a topology set up

Question 7

What is a WAN constructed of?

Answer 7

loads of LANs connected together

Question 8

what is a computer network?

Answer 8

a number of devices linked together to allow sharing or resources, hardware and software. and internet

Question 9

Advantage of a network?

Answer 9

• easy communication and file sharing
• software sharing and centralised updates
• data backup
• security and user access levels
• sharing peripherals
• shared work group areas
• uses can login from any device

Question 10

Disadvantages of a network?

Answer 10

• can be expensive as cabling and expertise is required
• virus can effect all nodes
• server failure can lead to massive loses if applicable
• hard management

Question 11

Characteristics of a network?

Answer 11

• use and availability
• cost
• reliability (think about duplicating data, switching over to a spare system(failover) )
• security
• speed (fibre optic cables and bandwidth)
• scalability
• topology