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9a2 recap networks

Total questions: 25

Worksheet time: 11mins

Name
Class
Date
1.

Which of these is a characteristic of a LAN?

a)

It covers a wide geographical area

b)

Computers are connected together using a leased line or a satellite

c)

Users can share files and peripherals

d)

Data can only be transmitted at a very slow rate

2.

Which transmission media is capable of having a much higher bandwidth?

a)

Coaxial

b)

Twisted pair cable

c)

Plastic

d)

Fibre optic

3.

A computer network is where 2 or more devices are connected so they can share....

a)

People

b)

Resources

c)

Cables

d)

Electricity

4.

If there is a problem with the ...... then people on the network will be unable to access their files

a)

File server

b)

Internet server

c)

Mail server

5.

Viruses and malware cannot be spread via a computer network

a)

True

b)

False

6.

A wide area network (WAN)...

a)

Means Wi-Fi can be used

b)

Is easier to use than a LAN

c)

Connects two or more LANS together

7.

The number of users can affect the network performance

a)

True

b)

False

8.
What type of network is this?
a)
Ring 
b)
Bus 
c)
Star
d)
Mesh
9.
In a star network
a)
Each device is connected to a switch or hub
b)
Each device connects to each other
c)
Each device is connected in a line
d)
Each device is connected to a terminal
10.
The internet is the worlds biggest
a)
LAN
b)
WAN
11.
What is an advantage of creating a network?
a)
It's expensive
b)
Share peripherals 
c)
Share virusses
d)
Share routers
12.
What does NIC stand for?
a)
Network Internet Card
b)
New Internet Creator
c)
Network Interface Card
d)
Network Interceptor Card
13.
What network connection type is this?
a)
Mesh
b)
Star
c)
LAN
14.
What network usage model is this?
a)
Peer to peer
b)
WAN
c)
Client-Server
15.
What network usage model is this?
a)
Client-Server
b)
Peer-to-peer
c)
LAN
16.
What network topology is this?
a)
STAR
b)
BUS
c)
RING
17.
Which of these is the most secure way of data transfer?
a)
HTTP
b)
HTTPS
18.
What type of key is not shared and computers cannot decrypt a message without it?
a)
Free key
b)
Private key
c)
Public key
d)
Personal key
19.
What type of key can be freely shared with anyone so that they can encrypt a message?
a)
Personal key
b)
Private key
c)
Free key
d)
Public key
20.
All Public Keys have a matching Private Key
a)
True
b)
False
21.

What does SSL stand for?

a)

Secure Socket Layer

b)

Secret Secure Layer

22.
Encryption is a way of 
a)
Securing Information on a network
b)
Securing Viruses
c)
Deleting applications
d)
Hacking Passwords
23.
An encryption key is used to help decrypt messages
a)
True
b)
False
24.
If you were to use a caeser cipher with a key of 3 shifts to the left, how would you encrypt the word: Cipher?
a)
ZAMEBO
b)
ZOMEBO
c)
ZFMEBO
d)
ZFMEBA
25.
hello has been encrypted with Caesar cipher to khoor. The key used was:
a)
abc
b)
3
c)
2
d)
alphabet mapping table

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