Font size
WorksheetsY8 - Unit 3 - EOU
Total questions: 99
Worksheet time: 1hrs 13mins
A network is two or more computers that are (a) together, usually by cables or Wi-fi
Match the Network Types to the Definition
a group of devices connected in a small area, such as a home, office, or school
LAN
a network that connects devices over a large geographical area
WAN
a personal area network, which is a network that connects personal devices over a small area.
PAN
Match the Image to the Network Type
WAN
LAN
PAN
What does PAN stand for in computer networks?
Public Access Network
Personal Area Network
Peripheral Access Network
Private Area Network
Which of the following is a characteristic of a LAN?
Covers a large geographical area
Used for connecting devices in a close vicinity, like in a building
Primarily used for connecting personal devices within a very short range
Connects networks across different cities
What is the primary purpose of a WAN?
To connect devices within a single room
To connect networks within a single building
To connect networks over large geographical areas
To connect personal devices within a short range
Which of the following is a disadvantage of WAN?
High setup costs
Limited to short distances
Only supports a limited number of devices
Low data transfer speed
Bluetooth technology is an example of which type of network?
LAN
WAN
PAN
MAN
Which of the following devices is typically used to connect multiple devices in a LAN?
Modem
Switch
Satellite
Router
Which of the following is NOT a disadvantage of WAN?
High operational costs
Requires specialized IT staff for maintenance
Limited by geographical distances
High latency in data transmission
Ethernet is an example of which type of network?
PAN
LAN
WAN
MAN
Which technology is commonly used for WAN connections?
Bluetooth
Wi-Fi
Fiber Optics
USB
What is the typical range of a PAN?
Up to 10 meters
Up to 100 meters
Up to 1 kilometer
Up to 10 kilometers
Which of the following is a common use case for LAN?
Connecting devices across continents
Sharing files between computers in an office
Connecting a smartphone to a wireless headset
Connecting a city to the internet
What is a major benefit of using a WAN?
Low setup costs
High security for local networks
Ability to connect networks across long distances
High-speed connections for personal devices
Which of the following is a disadvantage of using a PAN?
High latency
Limited range
High setup costs
Requires specialized IT staff
In which scenario would a LAN be most appropriate to use?
Connecting a home computer to the internet
Sharing a printer among several computers in an office
Connecting a smartphone to a smartwatch
Connecting offices in different countries
What factor primarily differentiates WAN from LAN and PAN?
The type of data transmitted
The geographical coverage
The speed of data transfer
The number of connected devices
Categorise Advantages and Disadvantage of a network
An advantage of wireless connectivity is:
it is more secure
there is no need to be physically connected
it is less expensive than a cable connection
it is a faster connection
What is a social network?
A type of computer hardware
A platform for people to connect and share information
A type of internet connection
A physical network of cables
What is the primary purpose of a social network?
To sell products
To connect people and facilitate communication
To provide internet access
To store data
Which of the following is NOT a type of social network?
Microblogging
Social bookmarking
Local area network
Media sharing
Which of the following is a benefit of using social networks?
Increased data storage
Enhanced personal connections and communication
Improved internet speed
Reduced electricity usage
Look at the picture and identify it with the right name.
Tik Tok
You Tube
Look at the picture and identify it with the right name.
You Tube
Twitch
Kuaishou
Look at the picture and identify it with the right name.
Discord
Snapchat
Sina Weibo
Look at the picture and identify it with the right name.
Tik Tok
Kuaishou
Twitch
Look at the picture and identify it with the right name.
Kuaishou
Sina Weibo
Discord
Snapchat
Look at the picture and identify it with the right name.
YouTube
Tik Tok
Advantages and Disadvantages of a Social Network
Identifies whether the data packet is for your LAN or not
Hub
Switch
Router
Select all correct statements about routers
3 correct answers
Connects your LAN to other LANs
Checks if the incoming data packet is for your network
Picks the most efficient route for your outgoing data packets
Connects your device to the Internet
... allows a computer to connect to a wired network. It allows data packets to travel to and from a computer and uses the MAC address. It allows an Ethernet cable to be plugged into this.
Router
Switch
Network Interface Card
Wireless Access Point
A device that connects two or more nodes/devices together and directs data packets to the correct device using the MAC address.
Wireless Access Point
Router
Hub
Switch
A computer device that provides a service to another computer for example this could be to save files and software centrally, store emails or hold a queue of documents waiting to be printed.
Switch
Wireless Access Point
Network Interface Card
Server
Enables devices to connect to a wireless network to communicate with each other
Wireless Access Point
Network Interface Card
Switch
Server
A card that enables a device to connect to a network to send and receive data.
Switch
Server
Network Interface Card
Hub
A device that awaits and responds to requests for data e.g. provides clients with access to files
Server
Hub
Router
Firewall
Links clients to the server and relays messages to specific devices on the network
Hub
Switch
Server
NIC
A device that transfers data from one network to another in an intelligent way. Connects LANS to WANs and LANS to internet.
Switch
Hub
Router
NIC
A computer that requests data stored on a server.
Client
Server
Hub
PC
What is the main responsibility of a router?
To transform digital information into analog signals
To connect devices on a small home network
To route data between devices on a network
To connect multiple devices to one network
What is a network?
A group of 1 or more devices which communicate
A group of 2 or more devices which communicate
When 2 or more computers are in the same building.
A group of 3 or more devices which communicate
Hospitals, banks and supermarkets are all linked using which network type?
WAN
LAN
BUS
WiFi
Which is faster, a Wired or wireless connection?
Wired
Wireless
Both are the same speed
Which of these is not a wireless connection?
Bluetooth
4G
Wi-fi
Ethernet
What is the fastest type of network connection?
Ethernet
Mobile data
Fibre optics
Wi-fi
What Topology is this?
Bus
Mesh
Star
What topology is this?
Bus
Mesh
Star
What Topology is this?
Bus
Mesh
Star
Advantages and Disadvantages of a Bus Network
Categorise Advantages and Disadvantages of Mesh
Network Reliability
Redundancy
Self-healing
High Cost
Complex
Power Consumption
Categorise advantages and disadvantages of Star Topologies
Highly Reliable
Easy to Manage
single point of failure
High Cable Cost
dependent on central device
Which of these is NOT part of the header?
Packet Number
Sender IP Address
Receiver IP Address
Name of File
The components of a packet are...
Header, Payload, Trailer
Head, Middle, End
Header, data, Trailer
Head, data, Tail
What's the primary purpose of a router?
Deliver packets to PC's on local segments.
It controls the data flow of Layer 2 addresses.
It provides Layer 2 address data segmentation.
Deliver packets to different networks using the best available path.
What is the role of a Gateway?
Operates between two networks using the same protocols.
Encrypts data
Connects two networks using different protocols
Provides security to a network
In packet switching each packet will follow the same route
True
False
Which of these is NOT correct of packet switching?
Messages cannot be easily intercepted
Establishes a route on which to send data packets
Packets need to be re-ordered
Maximises the use of the network
A router reads the ….
IP address
MAC address
A network that covers large geographical areas is called ...
local area network.
intranet
peer-to-peer network.
wide area network.
Which of these would be the strongest password?
p@ssw0rd
123456789
l1@masAreCute1337
strongpasswordsarelongpasswords
This is an example of a ________ email.
Malware
Brute Force Attack
Denial of Service Attack
Phishing
What is Malware?
Bad computer equipment
Pop up adverts on your computer
Software designed to do harm to a computer
Fake web sites
What is Ransomware?
Software that sends scam emails
Software that copies itself
Software that you think is good software but isn't
Software that hides your data and demands payment to release it
What most defines a computer virus?
It crashes computers
It can copy itself and spread to other computers
It can spy on what you do
It cannot be fixed
What is a Trojan?
Software that sends scam emails
Software that copies itself
Software that you think is good software but isn't
Software that hides your data and demands payment to release it
What is a D.O.S
Denial of service
Delay of service
Downing of service
Destruction of service
Does this look like a trust-worthy website?
Yes
No
If you receive a suspicious email, you should
Open it up and click on any links.
Delete the email without opening it.
Delete your email account.
What does VPN stand for?
Visual Protected Network
Virtual Private Network
Visual Private Network
Virtual Protected Network
Which of the following is true about bus topologies?
If one computer fails, the network keeps working.
Data is sent in only one direction to avoid collisions.
It is commonly used for client-server networks.
All of the above.
Which network topology uses one main cable to connect all of the computers?
Bus
Ring
Star
Mesh
What is meant by a data packet?
A unit of data that travels along a network
The number of error found in data when it has been transmitted
The data a computer needs to connect to a network
A connection point in a network that allows data to be shared
Which transmission media is capable of having a much higher bandwidth?
Coaxial
Twisted pair cable
Plastic
Fibre optic
Which if these terms refers to the maximum rate at which data can be transferred?
Error detection
Packet switching
Bandwidth
Transmission media
Which protocol is used for sending emails?
POP
IMAP
SMTP
FTP
