ICT Fundamentals 5

Question 1

What is the difference between a LAN and a WAN?

Accepted Answer

LAN covers a small area; WAN covers a large geographic area

Answer

A LAN (Local Area Network) covers a small area like a home or office, while a WAN (Wide Area Network) spans large geographic areas.

Question 2

Which of the following is an example of biometric authentication?

Accepted Answer

Scanning a fingerprint

Answer

Fingerprint scanning is biometric authentication because it uses unique physical characteristics of the user to verify identity.

Question 3

What is the purpose of data encryption?

Accepted Answer

To convert data into an unreadable format to protect it

Answer

Data encryption converts information into an unreadable format using algorithms, so only authorized parties with a decryption key can access it.

Question 4

What does 'bandwidth' refer to in networking?

Accepted Answer

The maximum data transfer rate of a network connection

Answer

Bandwidth refers to the maximum rate at which data can be transferred over a network connection, typically measured in Mbps or Gbps.

Question 5

Which programming concept allows a function to call itself?

Accepted Answer

Recursion

Answer

Recursion is a programming technique where a function calls itself to solve smaller instances of the same problem.

ICT - Information Communication Technology Practice Test