Free Networking and Internet MCQs with Answers

117 Networking and Internet MCQs from Computer Science and IT, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.

117 questions · page 1 of 12

1. HTTP stands for:

  • A. HyperText Transfer Protocol
  • B. High Transfer Text Protocol
  • C. HyperText Transmission Process
  • D. Host Transfer Text Protocol

Explanation: HTTP is the HyperText Transfer Protocol, the application-layer protocol used to transfer web pages. HTTPS is the same protocol secured with TLS encryption, which is why browsers flag plain HTTP sites as not secure.

Correct answer: HyperText Transfer Protocol

2. The amount of data transmitted for a given amount of time is called:

  • A. Noise
  • B. Bandwidth
  • C. Frequency
  • D. None of these

Explanation: Bandwidth is commonly used in basic networking questions for the amount of data that can be transmitted per unit of time. More precisely, actual delivered data is called throughput, but that term is not offered here.

Correct answer: Bandwidth

3. WAN stands for_____________?

  • A. Wap Area Network
  • B. Wide Area Network
  • C. Wide Array Net
  • D. Wireless Area Network

Explanation: WAN means Wide Area Network, a network that covers a large geographical area such as cities, countries or continents. The other expansions are not standard networking terms.

Correct answer: Wide Area Network

4. WWW stands for___________?

  • A. World Whole Web
  • B. Wide World Web
  • C. Web World Wide
  • D. World Wide Web

Explanation: WWW expands to World Wide Web, the collection of interlinked web pages and resources accessed through the Internet. The other options merely rearrange these words incorrectly.

Correct answer: World Wide Web

5. Who is the father of Internet ?

  • A. Chares Babbage
  • B. Vint Cerf
  • C. Denis Riche
  • D. Martin Cooper

Explanation: Vint Cerf, together with Bob Kahn, is widely known as a father of the Internet for major contributions to TCP/IP. Charles Babbage is associated with early computing, not the Internet.

Correct answer: Vint Cerf

6. How do you enable Caret Browsing in a browser?

  • A. Press the F7 key
  • B. Press the F5 key
  • C. Press the Ctrl key
  • D. Press the Alt key

Explanation: Pressing F7 toggles Caret Browsing in most major browsers, placing a movable text cursor on web pages. The other listed keys do not enable this browser feature.

Correct answer: Press the F7 key

7. What is the purpose of Caret Browsing?

  • A. To navigate through web pages quickly
  • B. To navigate through web pages using a keyboard
  • C. To navigate through web pages using a mouse
  • D. To navigate through web pages using a touchscreen

Explanation: Caret Browsing places a text cursor on a web page so users can select and move through content with keyboard keys. It is therefore keyboard-based rather than mouse- or touchscreen-based navigation.

Correct answer: To navigate through web pages using a keyboard

8. Which of the following is a benefit of Caret Browsing?

  • A. It allows users to navigate through web pages quickly
  • B. It allows users to navigate through web pages using a keyboard
  • C. It allows users to navigate through web pages using a mouse
  • D. It allows users to navigate through web pages using a touchscreen

Explanation: A key benefit of Caret Browsing is that users can move through and select web-page text using the keyboard. It is especially useful when mouse navigation is inconvenient or unavailable.

Correct answer: It allows users to navigate through web pages using a keyboard

9. What is the function of a firewall in computer networking?

  • A. Monitor website traffic
  • B. Block unwanted email
  • C. Protect against unauthorized access and threats
  • D. Increase internet speed

Explanation: A firewall filters network traffic according to security rules, helping prevent unauthorized access and block threats. It does not primarily block email or increase internet speed.

Correct answer: Protect against unauthorized access and threats

10. UTP stands for

  • A. Unshielded Transmission Protocol
  • B. Unshielded Twisted Pair
  • C. Unshielded Transfer Pair
  • D. Unshielded T-line Protocol

Explanation: UTP means Unshielded Twisted Pair, a common copper cable containing twisted wire pairs without extra shielding. Twisting reduces electromagnetic interference between the wires.

Correct answer: Unshielded Twisted Pair