GCSE Computer Science 3

Question 1

What does LAN stand for?

Accepted Answer

Local Area Network

Answer

LAN stands for Local Area Network, a network connecting devices within a limited geographical area such as a school or office.

Question 2

Which protocol is primarily used for sending emails?

Accepted Answer

SMTP

Answer

SMTP (Simple Mail Transfer Protocol) is the standard protocol used for sending email messages across the internet.

Question 3

What is phishing?

Accepted Answer

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

Answer

Phishing involves attackers impersonating legitimate organisations via email or fake websites to trick users into revealing passwords or personal data.

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

Encryption transforms readable data (plaintext) into an unreadable format (ciphertext) that can only be decoded with the correct key.

Question 5

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

Accepted Answer

Star

Answer

In a star topology, every device connects to a central hub or switch, making it easy to add devices and isolate faults.

GCSE - General Certificate of Secondary Education Practice Test

GCSE - General Certificate of Secondary Education Practice Test

GCSE Computer Science 3