GCSE Computer Science 3

Question 1

What does LAN stand for?

Accepted Answer

Local Area Network

Answer

Long Area Network

Answer

Limited Access Node

Answer

Large Automated Network

Question 2

Which protocol is primarily used for sending emails?

Accepted Answer

SMTP

Answer

HTTP

Answer

FTP

Answer

DNS

Question 3

What is phishing?

Accepted Answer

A fraudulent attempt to obtain sensitive information by posing as a trustworthy source

Answer

A technique to speed up network connections

Answer

A method of compressing files for email attachments

Answer

A type of encryption used to secure web traffic

Question 4

What is the purpose of encrypting data?

Accepted Answer

To convert data into a coded format so only authorised parties can read it

Answer

To permanently delete sensitive files

Answer

To compress data and reduce file size

Answer

To automatically back up data to a remote server

Question 5

Which network topology connects all devices to a single central hub or switch?

Accepted Answer

Star

Answer

Ring

Answer

Bus

Answer

Mesh

Question 6

What is the main role of a firewall in a network?

Accepted Answer

To monitor and filter incoming and outgoing network traffic based on security rules

Answer

To increase the speed of the internet connection

Answer

To store and back up data securely

Answer

To assign IP addresses to devices on the network

Question 7

What does DNS stand for and what is its function?

Accepted Answer

Domain Name System — translates human-readable domain names into IP addresses

Answer

Data Network System — stores user login credentials

Answer

Dynamic Node Service — assigns dynamic IP addresses to devices

Answer

Digital Name Server — encrypts website addresses for security