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Year 9 : Computer Networks

Total questions: 64

Worksheet time: 35mins

Name
Class
Date
1.

is a group of computers connected

together.

a)

Network

b)

Netbreak

c)

Internet

d)

Networth

2.

The computer you use at home or school would be

called a ______________ in a network.

a)

Workspace

b)

Workforce

c)

Workstation

d)

Worktomuch

3.

This is an example of a ______________.

a)

Wide Area Network

b)

Local Area Network

c)

Personal Area Network

4.

What is an example of a LAN

a)

Internet

b)

Desktop

c)

school network

5.
A computer network is ___ connected together.
a)
One computer
b)

Two or more computers

c)

A printer and a computer

d)

A keyboard, monitor and a mouse

6.

What does WAN stand for?

a)

Whale Area Network

b)

Wide Area Network

c)

Windows Area Network

d)

Wave Area Network

7.

What type of topology is this?

a)

Bus

b)

Line

c)

Ring

d)

Hybrid

8.

What topology is this?

a)

Mesh

b)

Line

c)

Star

d)

Five pointed

9.

What type of topology is this?

a)

Bus

b)

Loop

c)

Ring

d)

Mesh

10.

A wide area network (WAN) ...

a)

connects two or more LANs together

b)

means Wi-Fi can be used

c)

is easier to use than a LAN

d)

connects two or more computers together

11.

What does LAN stand for?

a)

Live Arena Network

b)

Local Airline Network

c)

Local Area Node

d)

Local Area Network

12.

What is LAN?

a)

A network of computers in the same building.

b)

A long distance communication network.

c)

A high speed network that can carry voice.

d)

A collection of local networks.

13.
What type of network is this?
a)
Star
b)
Bus
c)
LAN
d)
WAN
14.
What type of network is this?
a)
Star
b)
Bus
c)
LAN
d)
WAN
15.
What are the red arrows pointing at?
a)
Terminator
b)
Node
c)
Bus
d)
Network
16.
If a cable fails on a star what happens?
a)
Network fails
b)
One computer fails
c)
Nothing
d)
Not sure
17.
If the main cable on a bus fails what happens?
a)
Nothing
b)
Some of the computers will still work
c)
The whole network fails
d)
One computer fails
18.
A computer network can share printers and software.
a)
True
b)
False
19.

What is the main function of a router in a home network?

a)

To store files

b)

To connect multiple devices to the Internet

c)

To make coffee

d)

To charge devices

20.

What does NIC stand for ?

a)
Network Information Center
b)
Network Integration Component
c)
Network Interconnect Cable
d)
Network Interface Card
21.

Select three items which are resources shared on a computer network.

a)

Data

b)

Bridge

c)

Storage

d)

Internet

e)

Packets

22.
What type of network is this?
a)
Star
b)
Mesh
c)
LAN
d)
WAN
23.

Select some Advantages of a Computer Network

a)

Documents and files can easily
be shared with others on the
network


b)

Large computer networks need
skilled people to manage them


c)

You can access your files from
any device on the network Large computer networks need
skilled people to manage the


d)

If a lot of people use the
network at once, it can become
slow


e)

Backups can be created easily as
all files are stored on a central
server


24.

Select some Disadvantages of a Computer Network

a)

Sharing hardware saves money


b)

If the file server breaks down,
the whole network will stop
working


c)

Files are secure as you need a
Username & Password to view
them


d)

Hackers might get access to the
network


e)

Large computer networks need
skilled people to manage them


25.

What is a Network Enabled Device ?

a)
A device that is used for network security purposes only.
b)
A device that can connect to a network and communicate with other devices.
c)
A device that can only connect to the internet without communication capabilities.
d)
A device that requires a physical connection to operate.
26.

What is the function of a Router ?

a)
A router is used to amplify Wi-Fi signals.
b)
A router is a type of firewall that blocks unwanted traffic.
c)
The function of a router is to connect different networks and route data between them.
d)
A router is responsible for storing data on a local device.
27.

What are the disadvantages of the Ring Topology network ?

a)
Disadvantages of Ring Topology include network disruption from node failure, difficult troubleshooting, complex device management, and performance degradation with more devices.
b)
No impact from node failure
c)
Easy troubleshooting and maintenance
d)
Improved performance with more devices
28.

In a Ring Topology Network. What happens if someone pulls out a cable anywhere on the network ?

a)
All devices gain connectivity.
b)
Only the devices on either side of the cable lose connectivity.
c)
The network continues to function normally.
d)
Only the device that pulled the cable loses connectivity.
e)
All devices in the network lose connectivity.
29.

In a Bus Topology Network. What happens when a cable at the PC is removed ?

a)
The PC loses network connectivity, but the rest of the network remains operational.
b)
All other PCs lose connectivity as well.
c)
The PC continues to function normally with no impact.
d)
Only the PC remains operational without any issues.
e)
The entire network goes down immediately.
30.

As a mean evil hacker how can you disrupt the whole network of a Bus Topology network ?

a)
Use a router to segment the network
b)

Physically disconnect the main cable.

c)
Install a firewall to block all traffic
d)
Increase the bandwidth of the network
e)
Encrypt all data packets transmitted over the network
31.

What type of Network Topology requires a Hub ?

a)
Mesh Topology
b)
Bus Topology
c)
Star Topology
d)
Hybrid Topology
e)
Ring Topology
32.

What type of Network Topology requires a Router ?

a)
Ring topology
b)
Bus topology
c)
Hybrid topology
d)

Star topology

e)
Point-to-point topology
33.

The Largest network in the world is called ......?

a)
World Wide Web
b)
Local Area Network
c)
Intranet
d)
Internet
e)
Ethernet
34.

What Year did the development of the Internet begin ?

a)
1975
b)
2000
c)
1983
d)

1960

e)
1991
35.

The first message was sent by _____ in ______

a)

Internet in 1969

b)

Arpanet in 1969

c)
Bill Gates in 1985
d)
Tim Berners-Lee in 1989
e)
Vint Cerf in 1973
36.

Vint Cerf developed 2 protocols called ?

a)
POP and IMAP
b)
TCP and IP
c)
UDP and ICMP
d)
SMTP and SNMP
e)
HTTP and FTP
37.

An _________ is an agreed set of rules on how to communicate across a network

a)

intranet protocol

b)

web protocol

c)

internet protocol

d)

lan protocol

38.

How many underwater cables in the world.

a)

2500

b)

125

c)

250

d)

256

39.

What are data packets ?

a)
Data packets are large files that cannot be transmitted over the internet.
b)
Data packets are physical devices used to connect networks.
c)
Data packets are only used for storing data on hard drives.
d)
Data packets are units of data formatted for transmission over a network, containing both payload and control information.
e)
Data packets are a type of software application for data analysis.
40.

Data packets .......

a)

are packets of sweets that networks enjoy

b)

Takes different routes to arrive at their destination.

c)

are wrapped with the destination of the requesting computer

d)

contains the contents of a webpage or document broken into smaller packets

e)

used by the royal mail service

41.

What are the difference between LAN and WAN ?

a)
LAN is slower than WAN, which is faster for local connections.
b)
LAN is for local connections, while WAN is for long-distance connections.
c)
LAN connects multiple cities, while WAN connects devices in a single room.
d)
LAN is used for global connections, while WAN is for local connections.
e)
WAN is only used for wireless connections, while LAN is wired.
42.

If you want to connect your network to another network, you will need a ___________ ?

a)
hub
b)
modem
c)
router
d)
switch
43.

Networked Devices can include ?

a)

Tablet

b)

Table

c)

Laptop

d)

Smart Watch

e)

Printer

44.

How do smartphones connect to the internet when Wi-Fi is not available?

a)

Through underground fiber optic cables

b)

Using radio transmissions

c)

By metal conductors

d)

Through direct physical connections

45.

What is this a picture of?

a)

Cable

b)

Switch

c)

Wireless router

d)

Phone Mast

46.

What is the purpose of a Network Interface Card (NIC)?

a)

To extend network range

b)

To amplify network signals

c)

To connect devices to a network

d)

To connect devices wirelessly

47.

What is the function of a Wi-Fi card?

a)

To connect devices wirelessly

b)

To connect devices to a network

c)

To amplify network signals

d)

To extend network range

48.

It is the simplest in the family of network connecting devices because it connects LAN components with identical protocols. 

(a)  

49.

The shown image belongs to

a)

Motherboard

b)

Processor

c)

NIC

d)

Video card

50.

Which of the following peripherals is MOST likely to be shared via a network?

a)

Projector

b)

Printer

c)

Keyboard

51.

What is a computer network?

a)

A server that controls all computers in an area

b)

A single computer connected to the internet

c)

A number of computing devices connected together to share resources

d)

Only wireless devices connected to each other

52.

Which of the following is NOT an advantage of a computer network?

a)

Easy file sharing

b)

Access files from any device on the network

c)

Requires skilled people to manage

d)

Centralized backups

53.

What is the function of terminators in a Bus topology?

a)

They connect different network segments

b)

They prevent data from leaving the network

c)

They collect stray data signals

d)

They boost the signal strength

54.

Which topology connects all individual PCs to a central hub?

a)

Ring

b)

Bus

c)

Star

d)

Mesh

55.

The first message between two computers over ArpaNet was sent in:

a)

1959

b)

1969

c)

1979

d)

1989

56.

What protocol helps deliver network communications in a virtual space?

a)

Hypertext Transfer Protocol

b)

Transmission Control Protocol

c)

File Transfer Protocol

d)

Secure Socket Layer

57.

Which part of the data packet contains the destination IP address?

a)

Header

b)

Footer

c)

Request

d)

Body

58.

Which material are the majority of global data packets sent through?

a)

Copper wires

b)

Wireless networks

c)

Fiber optic cables

d)

Satellite networks

59.

What is the role of a hub in a Star topology?

a)

Store data

b)

Connect PCs to the server

c)

Secure data

d)

Collect data from the network

60.

Which of these is NOT a disadvantage of computer networks?

a)

Hackers can access the network

b)

Viruses can spread easily

c)

File sharing is difficult

d)

Skilled personnel are required to manage

61.

What hardware component allows a device to connect to a network?

a)

Modem

b)

Router

c)

NIC (Network Interface Card)

d)

Server

62.

What do we call the set of rules for communicating across a network?

a)

Topology

b)

Protocol

c)

Router

d)

LAN

63.

Data packets can take different routes to their destination. This is an example of:

a)

Data corruption

b)

Protocol error

c)

Network redundancy

d)

Packet switching

64.

The process of sending and receiving data packets typically takes about:

a)

1 second

b)

1 minute

c)

5 seconds

d)

10 seconds

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