WorksheetsGCSE Computer Science Quiz: Computer Networks
Total questions: 40
Worksheet time: 33mins
James G defines a computer network as:
A shared printer
Connected computers that share resources
A single desktop computer
Data stored on one machine
Lucas says a major advantage of a network is the ability to...?
(a)
Mya is comparing networks. Which of these is a PAN?
School network
Bluetooth between phone and speaker
Internet
Business cloud storage
Monty is asked to name the largest example of a WAN. He says...?
(a)
Olivia explains a LAN is:
A wide-area Internet system
A small network in a school or office
A global network
A network between two mobile phones
Jack says a WAN is often owned by...?
Grace is comparing wired and wireless networks. Which is a disadvantage of wireless?
Mobility
Slower and less secure
Requires more cables
Higher cost
Robson says fibre optic cables use what to transmit data?
(a)
James S says copper cables are best for:
High-speed backbone networks
Short-distance, low-cost connections
Long-distance fibre installations
Cloud storage
Zac draws a network where all devices connect to a central switch. What topology is this?
(a)
Nathan describes a bus topology. What’s a disadvantage?
Easy to add new devices
Network slows with traffic
Expensive to install
All devices get full bandwidth
Lucas is describing a star topology. What happens if the central switch fails?
Marco explains a network protocol is:
A hardware device
A set of rules for communication
A firewall setting
A MAC address
Izzy says the protocol used for secure websites is...?
(a)
Slyvester is sending files via FTP. What is FTP used for?
Encrypting email
Transferring files
Securing websites
Streaming video
George is asked which protocol sends email. He answers...?
(a)
Katie is receiving email on her phone. Which protocol is likely used?
FTP
HTTP
IMAP
UDP
Max says IP is responsible for what?
(a)
Mya says UDP is better than TCP when:
Speed is less important
Reliability is critical
Streaming live data
Encrypting data
Kelsey is explaining TCP. What does it ensure?
James E is explaining Wi-Fi. What is Wi-Fi?
Wired data protocol
Ethernet cable brand
Wireless network technology
An email service
Florry is discussing Wi-Fi. What is the generic name for Wi-Fi networks?
(a)
Brady is reviewing protocols. Which protocol is used to load a standard website (not secure)?
HTTPS
HTTP
FTP
SMTP
Marco says encryption helps keep data...?
(a)
Monty installs software that only allows access to specific MAC addresses. What security method is this?
Firewall
Authentication
MAC address filtering
VPN
Lucas is explaining firewalls. What do firewalls monitor?
(a)
Jack is accessing his school network with a username and password. What security method is this?
Encryption
Authentication
Firewall
MAC filtering
Nathan explains that wired networks are more reliable than...?
(a)
James G is discussing network types. Which one covers the largest geographical area?
LAN
PAN
WAN
WLAN
Katie is drawing a bus topology. What connects all the devices?
(a)
Olivia is studying network layers. Where does the IP protocol operate?
Transport layer
Internet layer
Application layer
Link layer
Kian says the application layer deals with what kind of programs?
Zac explains that TCP works at which layer of the TCP/IP model?
Link
Internet
Transport
Application
Grace says the link layer contains the network...?
(a)
Slyvester is describing the TCP/IP model. Which layer routes packets?
Application
Transport
Internet
Link
James says Ethernet is a type of...?
(a)
Robson is watching a live stream. Which protocol might be used for speed over reliability?
TCP
FTP
UDP
HTTPS
Izzy says each device on a network has a unique...?
(a)
Mya is checking her emails. Which layer are SMTP and IMAP found in?
Transport
Application
Internet
Link
George is asked to name the 4 layers of the TCP/IP model. List them in order (one line):
