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WorksheetsComputer Networks - Introduction & Purpose
Total questions: 30
Worksheet time: 15mins
What is a computer network?
A group of connected devices
A box of random wires
One very big computer
A single unplugged printer
What can networks help us share?
Only headphones and mice
Data, files, and internet
Only desks and chairs
Only pictures and toys
Where might people use networks?
Only at playgrounds
Only inside one laptop
Only in outer space
Home, school, and offices
Which is a reason to use a network at school?
Make pencils write faster
Keep doors open longer
Share a classroom printer
Grow plants on computers
Your class needs to save photos in one safe place. What network use fits best?
Buying new computers
Turning screens brighter
Playing offline games
Centralized data storage
What is a protocol?
A set of rules for communication
A secret code for toys
A picture used for computers
A game people play on phones
What do protocols help devices do with data?
Paint, draw, and color
Send, receive, and understand
Jump, run, and spin
Sleep, wake, and blink
Which protocol is used for websites?
IMAP or POP
HTTP or HTTPS
SMTP or POP3
FTP or TCP
Which protocol is used to send emails?
IMAP
HTTP
FTP
SMTP
Which protocol is used to receive emails?
SMTP or FTP
TCP or IP
POP3 or IMAP
HTTP or HTTPS
Which protocol moves files from one computer to another?
SMTP
HTTPS
FTP
IMAP
Why are protocols important for devices?
They play louder sounds
They charge batteries faster
They make screens brighter
They let devices talk correctly
Which network is for very small, personal devices like Bluetooth?
PAN, for personal devices nearby
MAN, for the whole world area
LAN, for many cities together
WAN, for faraway countries only
Which network type is used in a home, school, or office?
LAN, a small area network
PAN, a citywide network
WAN, a tiny desk network
MAN, a home-only network
A network that covers a city is called what?
WAN, a classroom area network
PAN, a building area network
LAN, a world area network
MAN, a city area network
Which network covers large areas like countries?
PAN, a person area network
LAN, a little area network
MAN, a room area network
WAN, a wide area network
The Internet is the biggest example of which network type?
MAN, the middle type
PAN, the personal type
LAN, the smallest type
WAN, the widest type
Match each network to its best place. Choose the one that fits best.
PAN for your smartwatch at home
MAN for one desk and one phone only
LAN for many countries all together
WAN for just one classroom building
Which one uses radio waves to connect devices without cables?
Ethernet wired network
Power plug connection
Wi‑Fi wireless network
Wired home router
Which connection uses cables and is known for being fast and stable?
Bluetooth short link
Wi‑Fi wireless router
Cellular phone network
Ethernet wired network
What do mobile phones use to get 4G or 5G internet?
Ethernet home cable
Cellular network service
School Wi‑Fi only
Short‑range Bluetooth
Which one is a short‑distance wireless connection for things like headphones?
Bluetooth short link
Ethernet wall cable
Fiber office cable
Long‑range cellular
You want to watch a video without the signal dropping. Which is the best choice at a desk with a port?
Use an Ethernet cable
Use distant Wi‑Fi
Use slow Bluetooth
Use airplane mode
Your tablet has no cable nearby, but the school Wi‑Fi is strong. What should you use to get online?
Turn on Bluetooth only
Wait for a cable
Turn off wireless settings
Connect to Wi‑Fi network
Which device connects different networks and helps you go online?
Network Card
Router
Switch
Access Point
What does a switch mainly do inside a small school network?
Gives Wi‑Fi signal
Gives power to PCs
Connects to the ISP
Connects devices together
Which device links your home network to the internet company (ISP)?
Modem
Router
Switch
Access Point
Which device lets phones and tablets join the network wirelessly?
Switch
Access Point
Router
Modem
What is the job of a Network Interface Card (NIC) in a computer?
Shows pictures on screen
Lets it join a network
Saves files to disk
Makes sound for games
Which statement is true about networks?
They connect devices to share
They only work in big cities
They never use rules to talk
They cannot be different sizes
