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Free Networking and Internet MCQs with Answers

452 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.

Networking covers LAN, MAN, WAN and wireless networks, network topologies, transmission media, devices such as switches, routers and modems, and the OSI and TCP/IP models. Internet concepts include IP addresses, DNS, URLs, web browsers, email, protocols such as HTTP, HTTPS, FTP and SMTP, and basic network security.

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452 questions · page 1 of 23

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.

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Correct answer: HyperText Transfer Protocol

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

Fairly easy
  • 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.

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Correct answer: Bandwidth

3. WAN stands for_____________?

Easy
  • 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.

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Correct answer: Wide Area Network

4. WWW stands for___________?

Easy
  • 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.

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Correct answer: World Wide Web

5. Who is the father of Internet ?

Hard
  • 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.

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Correct answer: Vint Cerf

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

Hard
  • 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.

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Correct answer: Press the F7 key

7. What is the purpose of Caret Browsing?

Moderate
  • 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.

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Correct answer: To navigate through web pages using a keyboard

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

Moderate
  • 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.

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

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

Hard
  • 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.

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Correct answer: Protect against unauthorized access and threats

10. UTP stands for

Fairly easy
  • 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.

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Correct answer: Unshielded Twisted Pair

11. In 1997, which technological design was named after a Viking king?

Very hard
  • A. Modem
  • B. McAfee
  • C. Bluetooth
  • D. Microsoft

Explanation: Bluetooth was named after Harald Bluetooth, a Viking king known for uniting parts of Denmark and Norway.

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Correct answer: Bluetooth

12. css stands for ?

Easy
  • A. Cascading Style Sheets
  • B. casecading simple sheet
  • C. casecading sheets style
  • D. None of These

Explanation: CSS means Cascading Style Sheets, the language used to control the presentation and layout of web pages.

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Correct answer: Cascading Style Sheets

13. The first web browser is?

Hard
  • A. internet explore
  • B. chrome
  • C. yahoo
  • D. world wide web

Explanation: WorldWideWeb, created by Tim Berners-Lee, was the first web browser and was also the name of the first browser/editor.

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Correct answer: world wide web

14. A program with a graphical user interface for displaying HTML files, used to navigate the World Wide Web.

Moderate
  • A. Search engine
  • B. Web browser
  • C. Comment
  • D. None of These

Explanation: A web browser is software that renders HTML pages and provides tools for visiting websites.

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Correct answer: Web browser

15. The length of MAC address is ___________?

Hard
  • A. 32 bits
  • B. 48 bits
  • C. 64 bits
  • D. 128 bits

Explanation: A standard MAC address is 48 bits long, usually written as six groups of two hexadecimal digits.

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Correct answer: 48 bits

16. An online journal where people post about their experiences called __________?

Fairly easy
  • A. Blog
  • B. Internet
  • C. Webpage
  • D. None of these

Explanation: A blog is an online journal or regularly updated website where people publish posts, often about experiences, opinions, or information.

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Correct answer: Blog

17. Which method is used to connect a remote Computer?

Fairly easy
  • A. Device
  • B. Dialup
  • C. Logic Circuit
  • D. None of these

Explanation: Dial-up uses a telephone line and modem to establish a connection with a remote computer or network.

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Correct answer: Dialup

18. A single packet on a data link is known as _________?

Fairly easy
  • A. Path
  • B. Frame
  • C. Block
  • D. Group

Explanation: At the data-link layer, a packet is encapsulated into a frame, which includes addressing and error-detection information.

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Correct answer: Frame

19. __________maintain (s) database of webpages containing information on variety of topics.

Fairly easy
  • A. Newsgroup
  • B. News server
  • C. Search Engines
  • D. World wide web

Explanation: Search engines build and maintain indexes or databases of webpages, then retrieve relevant pages when users submit queries.

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Correct answer: Search Engines

20. Whose face was first uploaded on Facebook?

Very hard
  • A. Al Pacino
  • B. Zuckerberg
  • C. Adam smith
  • D. Shahid Chudhary

Explanation: The early Facebook site displayed a stylised face of Al Pacino in its header, making him the answer associated with the first face shown…

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Correct answer: Al Pacino
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