1.3Computer networks, connections and protocols

Question 1

What are the advantages of networking?

Answer 1

Users can share files,users can access their files on any computers and servers can contol security and networking

Question 2

What are the disadvantages of networking?

Answer 2

Increased security risk,malware and viruses can spread and is server fails all computer fail

Question 3

What is a Lan and the properties?

Answer 3

Local area network that covers a small geographical location, is wired and hardware owned by organisation using it

Question 4

What is a Wan and the properties?

Answer 4

Wide are network that covers a large geographcal.is connected by satelite and hardware is leased by a telecommunications company

Question 5

What are the 5 factors that affect performance of nectwork and how?

Answer 5

Bandwith-The higher bandwith the more data sent and received succesfully
The number of users-The more users the less bandwith per person
Transmission data-Wired connection has higher bandwith
Error rate-The more unreliable a connection the higher the error rate
Latency-the higher the latency the more the delay

Question 6

What is client server and the advantages and disadvantages?

Answer 6

A central server dedicated to back up organise and protect files. It is easy to manage security,back up data and install software however its expensive,specialist needed amd if server fails all computers fail