ICT General Knowledge 2 — Questions and Answers
Question 1: Which protocol is used to securely transfer files over the internet?
- FTP
- SFTP (Correct answer)
- HTTP
- SMTP
Correct answer: SFTP
SFTP (SSH File Transfer Protocol) encrypts both commands and data, making file transfers secure.
Question 2: What does the acronym 'URL' stand for?
- Uniform Resource Locator (Correct answer)
- Universal Remote Link
- Unified Reference Label
- Uniform Relay Link
Correct answer: Uniform Resource Locator
URL stands for Uniform Resource Locator, which is the web address used to locate resources on the internet.
Question 3: Which of the following is an example of volatile memory?
- SSD
- RAM (Correct answer)
- ROM
- HDD
Correct answer: RAM
RAM (Random Access Memory) is volatile, meaning its data is lost when the power is turned off.
Question 4: What is the primary function of a firewall in a network?
- Speed up data transmission
- Monitor and control incoming and outgoing network traffic (Correct answer)
- Compress data packets
- Assign IP addresses to devices
Correct answer: Monitor and control incoming and outgoing network traffic
A firewall monitors and controls network traffic based on predetermined security rules to protect the network.
Question 5: Which generation of wireless technology introduced the concept of 'broadband' mobile internet?
- 1G
- 2G
- 3G (Correct answer)
- 4G LTE
Correct answer: 3G
3G networks were the first to provide mobile broadband internet speeds suitable for web browsing and video calls.
Question 6: What does 'phishing' refer to in cybersecurity?
- A type of network speed test
- A method of compressing data
- A fraudulent attempt to obtain sensitive information by disguising as a trustworthy entity (Correct answer)
- A technique for encrypting emails
Correct answer: A fraudulent attempt to obtain sensitive information by disguising as a trustworthy entity
Phishing is a social engineering attack where attackers disguise themselves as trusted sources to steal credentials or personal data.
Question 7: In computing, what is a 'byte'?
- A single binary digit (0 or 1)
- A unit of 4 bits
- A unit of 8 bits (Correct answer)
- A unit of 16 bits
Correct answer: A unit of 8 bits
A byte consists of 8 bits and is the basic unit used to measure digital information storage.
Which protocol is used to securely transfer files over the internet?