Networks
Exam Questions
1.
A school network manager needs to prevent unauthorised access to data.
Tick three methods the network manager could use.
Give different user names and passwords to staff and students.
Install a firewall.
Back up data regularly.
Lock the rooms where the computers are kept.
Use virus checkers.
Ensure all software is licensed.
[3]
2.
Tick whether these statements about networks are TRUE or FALSE.
TRUE
FALSE
It is impossible for viruses to spread.
All computers are connected to the Internet.
More than one user can share the same printer.
[3]
3.
Give three advantages of having school computers connected in a network.
Advantage 1 ...........................................................................................................
................................................................................................................................
Advantage 2 ...........................................................................................................
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Advantage 3 ...........................................................................................................
................................................................................................................................
[3]
4.
Wordsworth Health Centre is linked to other health centres across the country to
enable the exchange of patient data.
(a)
State one advantage to the patient
.........................................................................................................................
[1]
(b)
State one advantage to the doctor
.........................................................................................................................
[1]
(c)
The health centre system uses two types of network.
Describe one difference between a Local Area Network (LAN) and a Wide Area
Network (WAN).
.........................................................................................................................
.........................................................................................................................[2]
5.
Look Lively’s computers are connected together to form a network.
(a)
State two items of hardware or software that a computer needs if it is to connect
to a network.
Item 1 ..............................................................................................................
Item 2 ..............................................................................................................
[2]
(b)
State two ways the staff at Look Lively could use the network to carry out their
work.
Way 1 ...............................................................................................................
Way 2 .............................................................................................................
[2]
6.
A company has a small network of computers.
(a)
The company needs to prevent unauthorised access to the network.
Give two different methods the company can use.
1 ......................................................................................................................
.........................................................................................................................
2 ......................................................................................................................
........................................................................................................................
[2]
(b)
Three different network topologies are shown below. Name each topology.
[3]
7.
An office is going to convert stand-alone computers to a local area network (LAN).
(a)
Give two items of computer hardware that could be used to convert the standalone computers to a network.
1 ......................................................................................................................
2 ......................................................................................................................
[2]
(b)
This system will be connected to a wide area network (WAN).
(i)
Give one extra item of hardware that will be needed to connect the system
to a WAN.
................................................................................................................
(ii)
Give two features of a WAN.
1 ............................................................................................................
...............................................................................................................
2 ............................................................................................................
...............................................................................................................
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8.
The laptop computers in a school are using a wireless connection to the network.
Give one advantage and one disadvantage of using a wireless connection for the
laptops.
Advantage ...............................................................................................................
.................................................................................................................................
Disadvantage ..........................................................................................................
.................................................................................................................................
[2]
9.
A school has a large number of computers connected together in a network.
A user name and password are needed to access the computers.
(a)
Why is a user name needed?
........................................................................................................................
[1]
(b)
Why is a password needed?
........................................................................................................................
[1]
(c)
State two pieces of advice that should be given to someone when they choose
their password.
1 .....................................................................................................................
2 .....................................................................................................................
[2]
(d)
Give two problems that may be caused by having the computers connected
together in a network.
Problem 1 .......................................................................................................
........................................................................................................................
Problem 2 .......................................................................................................
........................................................................................................................
[2]
10.
“The use of computer networks in schools has created more benefits than problems.”
Discuss this statement.
[9]