💻

Networking & Internet Quiz

Networking & Internet · Timed

20 questions · 10 min timer · Instant feedback

Networking connects computers and devices to enable communication and data sharing. The internet - a global network of networks - has become the backbone of modern life, supporting...

Playing as a guest

You can play free without an account. Create one to save scores and resume later.

All 20 questions in this Networking & Internet quiz
  1. Which port is used by DNS?

    • A. 21
    • B. 443
    • C. 80
    • D. 53
  2. What is the purpose of 'NAT' (Network Address Translation)?

    • A. To translate English websites into other languages
    • B. To allow multiple devices on a private network to share a single public IP address
    • C. To convert digital signals into analog for old modems
    • D. To speed up the delivery of video content
  3. At which layer of the OSI model does a traditional network switch operate?

    • A. Layer 1 (Physical)
    • B. Layer 2 (Data Link)
    • C. Layer 3 (Network)
    • D. Layer 4 (Transport)
  4. What is 'SD-WAN' (Software-Defined Wide Area Network)?

    • A. A type of cable used for underwater internet
    • B. A technology that uses software to manage and optimize the performance of a wide area network
    • C. A social network for IT professionals
    • D. A method for building computers using software
  5. Which of these is the default port used for unsecured web traffic (HTTP)?

    • A. Port 21
    • B. Port 80
    • C. Port 443
    • D. Port 25
  6. Which organization is responsible for coordinating the internet's unique identifiers, including IP addresses and domain name system (DNS) management?

    • A. IEEE
    • B. ICANN
    • C. W3C
    • D. IETF
  7. What does 'IoT' stand for?

    • A. Input Output Technique
    • B. Internal Online Tool
    • C. Internet of Things
    • D. Internet of Technology
  8. What is 'Latency' in networking?

    • A. Upload speed
    • B. Download speed
    • C. Delay in data transfer
    • D. File size
  9. What is the 'Deep Web'?

    • A. The part of the internet used by hackers
    • B. The part of the World Wide Web whose contents are not indexed by standard search engines
    • C. A very fast fiber optic connection
    • D. The physical cables at the bottom of the ocean
  10. What is 'Li-Fi'?

    • A. A faster version of Wi-Fi
    • B. A technology that uses light waves instead of radio waves to transmit data
    • C. A type of internet that only works in libraries
    • D. A wireless charging standard
  11. What is the standard port for HTTP?

    • A. 8080
    • B. 21
    • C. 80
    • D. 443
  12. What is 'latency' in a network?

    • A. Data speed
    • B. The delay before a transfer begins
    • C. User count
    • D. File size
  13. What is 'Packet Switching'?

    • A. A physical switch on a router
    • B. The method of slicing data into small chunks (packets) and sending them independently across a network
    • C. A way to change the password of a Wi-Fi network
    • D. A technique for cooling down server rooms
  14. What does 'IP' stand for in 'IP Address'?

    • A. Internal Protocol
    • B. Internet Protocol
    • C. Instant Process
    • D. Integrated Path
  15. Which programming language is known as the 'glue' of the internet?

    • A. Perl
    • B. PHP
    • C. Python
    • D. JavaScript
  16. Which device is used to connect different networks?

    • A. Mouse
    • B. Keyboard
    • C. Monitor
    • D. Router
  17. Which of these protocols is used to retrieve emails from a server and typically synchronizes them across multiple devices?

    • A. SMTP
    • B. POP3
    • C. IMAP
    • D. HTTP
  18. What is the maximum number of IP addresses in IPv4?

    • A. 1 Trillion
    • B. 4.3 Billion
    • C. Unlimited
    • D. 65536
  19. What does 'HTML' stand for?

    • A. Hyperlink Markup Language
    • B. Home Tool Markup Language
    • C. Hypertech Modern Language
    • D. Hypertext Markup Language
  20. Which of these is a 'Layer 7' (Application Layer) protocol?

    • A. IP
    • B. TCP
    • C. HTTP
    • D. Ethernet