Local Area Networks(module 2.1

Question 1

List three types of networks

Answer 1

PAN: organized around an individual
HAN: runs through a home
Internet: large worldwide computer network.

Question 2

What are the basic components of a network?

Answer 2

Hardware
Communication/connection method
Network software

Question 3

What are the three general terms used for computers in a network

Answer 3

Workstations,clients and servers

Question 4

What does workstation refer to?

Answer 4

A workstation refers to a desktop computer connected to the network

Question 5

What does client refer to?

Answer 5

Generally refers to computing devices that can use the networks resources

Question 6

What is a file server used for and list the advantages

Answer 6

It is used to store files.
Advantages:
User is able to access files from any computer on the network
Users do not have to worry about backing up the files

Question 7

What is an email server?

Answer 7

Handles all email needs of the organization

Question 8

What is an internet or proxy server?

Answer 8

Allows security control for viruses and internet outage

Question 9

What are web servers

Answer 9

These can be used to host websites

Question 10

What are print severs?

Answer 10

These are used to handle all the printing requirements for a network

Question 11

What are database servers?

Answer 11

Provide access to data stored in a central database

Question 12

What is a switch?

Answer 12

A devices used to connect computers in a network with cables so that communication can occur

Question 13

What is LAN?

Answer 13

Network which connects computers in a small area such as a school

Question 14

What are the advantages of using WLAN

Answer 14

Installation is far easier than with a cabled LAN
It is easier and more practical to make use of wireless connectivity
It avoids clutter in terms of cables

Question 15

What is a utp and what is it used for?

Answer 15

unshielded twisted pair and it is used to connect computers in a LAN

Question 16

What does fiber optic do?

Answer 16

It uses light to send data therefore making it very expensive

Question 17

What is the difference between a fiber cable and a utp cable

Answer 17

A fiber cable transfers data a lot faster than a utp cable
Fiber cables can span much longer distances
Fiber cable is immune to eavesdropping

Question 18

What does the 1000 gigabit specification refer to?

Answer 18

The data transmission speed that the switch or NIC can support

Question 19

What are the advantages of connecting computers in a LAN

Answer 19

• Software apps can be shared by users
• internet access can be monitored
• files can be transferred without the use of devices

Question 20

What are the disadvantages of connecting to a LAN?

Answer 20

• Can be expensive to install and maintain
• if the file server is faulty , nobody can access their files
• performance can decrease

Question 21

What is an aup and what is it used for?

Answer 21

An acceptable use policy. It outlines rights and responsibilities of network users.

Question 22

What should be included in an AUP?

Answer 22

• Restrictions in terms of what should be accessed online
• Clear consequences of violating conditions
• procedures to follow if users find they are victims of identity theft