ComputerGS – Internet and Networking 100 MCQ Questions and Answers for SSC, Banking, UPSI, Computer Exams

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ComputerGS – Internet and Networking 100 MCQ Questions and Answers

If you are preparing for SSC, Banking, UPSI, STENO, or Computer Operator exams, Internet and Networking is a very important topic.

👉 Also practice:
Basic Computer MCQs – https://www.computergs.online/search/label/Computer


✅ Internet and Networking – 100 MCQs

🔹 Basic Internet Questions (1–20)

  1. Internet stands for?
    Answer: Interconnected Network

  2. Full form of ISP?
    Answer: Internet Service Provider

  3. Which protocol is used to transfer web pages?
    Answer: HTTP

  4. Full form of URL?
    Answer: Uniform Resource Locator

  5. Example of web browser?
    Answer: Google Chrome

  6. WWW stands for?
    Answer: World Wide Web

  7. Which device connects network to internet?
    Answer: Router

  8. Email protocol for receiving mail?
    Answer: POP3

  9. Secure version of HTTP?
    Answer: HTTPS

  10. IP stands for?
    Answer: Internet Protocol

  11. Example of search engine?
    Answer: Google

  12. Default HTTP port number?
    Answer: 80

  13. Default HTTPS port number?
    Answer: 443

  14. FTP stands for?
    Answer: File Transfer Protocol

  15. DNS stands for?
    Answer: Domain Name System

  16. Which converts domain to IP?
    Answer: DNS

  17. Small text file stored on computer by website?
    Answer: Cookie

  18. SMTP is used for?
    Answer: Sending email

  19. IPv4 length?
    Answer: 32-bit

  20. IPv6 length?
    Answer: 128-bit

🔹 Networking Basics (21–40)

  1. LAN stands for?
    Answer: Local Area Network

  2. MAN stands for?
    Answer: Metropolitan Area Network

  3. WAN stands for?
    Answer: Wide Area Network

  4. PAN stands for?
    Answer: Personal Area Network

  5. Network topology example?
    Answer: Star

  6. Device that forwards data packets?
    Answer: Router

  7. Device that connects devices in LAN?
    Answer: Switch

  8. Device that regenerates signal?
    Answer: Repeater

  9. MAC address length?
    Answer: 48-bit

  10. OSI model layers?
    Answer: 7

  11. TCP stands for?
    Answer: Transmission Control Protocol

  12. UDP stands for?
    Answer: User Datagram Protocol

  13. Physical address is called?
    Answer: MAC Address

  14. Logical address is called?
    Answer: IP Address

  15. Network security device?
    Answer: Firewall

  16. Example of wired media?
    Answer: Fiber Optic

  17. Example of wireless network?
    Answer: Wi-Fi

  18. Bluetooth is used for?
    Answer: Short-range communication

  19. Bandwidth measures?
    Answer: Data transfer rate

  20. Ping command checks?
    Answer: Connectivity

🔹 Advanced Networking (41–70)

  1. OSI first layer?
    Answer: Physical

  2. OSI last layer?
    Answer: Application

  3. TCP works on which layer?
    Answer: Transport

  4. HTTP works on?
    Answer: Application layer

  5. Private IP example?
    Answer: 192.168.1.1

  6. Loopback IP?
    Answer: 127.0.0.1

  7. Gateway connects?
    Answer: Different networks

  8. Hub works on which layer?
    Answer: Physical

  9. Switch works on?
    Answer: Data Link layer

  10. Router works on?
    Answer: Network layer

  11. ARP full form?
    Answer: Address Resolution Protocol

  12. ICMP is used for?
    Answer: Error reporting

  13. Telnet default port?
    Answer: 23

  14. FTP default port?
    Answer: 21

  15. SMTP default port?
    Answer: 25

  16. POP3 default port?
    Answer: 110

  17. HTTPS uses encryption via?
    Answer: SSL/TLS

  18. Malware means?
    Answer: Malicious Software

  19. Phishing is?
    Answer: Fraud attack

  20. Proxy server is used for?
    Answer: Security & caching

  21. Network ID identifies?
    Answer: Network

  22. Subnet mask example?
    Answer: 255.255.255.0

  23. Intranet is?
    Answer: Private network

  24. Extranet connects?
    Answer: External users

  25. Cloud computing provides?
    Answer: Online services

  26. VoIP stands for?
    Answer: Voice over Internet Protocol

  27. Packet switching is used in?
    Answer: Internet

  28. Bit rate measures?
    Answer: Bits per second

  29. Modem full form?
    Answer: Modulator Demodulator

  30. Ethernet is?
    Answer: LAN technology

🔹 Important Exam-Oriented MCQs (71–100)

  1. Which protocol is connection-oriented?
    Answer: TCP

  2. Which is connectionless?
    Answer: UDP

  3. Example of web server?
    Answer: Apache

  4. Domain example?
    Answer: computergs.online

  5. Top-level domain of .com?
    Answer: Commercial

  6. Cyber attack example?
    Answer: DDoS

  7. Firewall protects against?
    Answer: Unauthorized access

  8. HTTPS provides?
    Answer: Security

  9. Router stores routing information in?
    Answer: Routing table

  10. Network latency means?
    Answer: Delay

  11. Wi-Fi standard?
    Answer: 802.11

  12. Ethernet standard?
    Answer: 802.3

  13. Cloud storage example?
    Answer: Google Drive

  14. IPv4 address format?
    Answer: Decimal

  15. IPv6 address format?
    Answer: Hexadecimal

  16. DHCP assigns?
    Answer: IP address

  17. DNS uses port?
    Answer: 53

  18. Firewall filters based on?
    Answer: Rules

  19. MAC address is unique to?
    Answer: Network interface

  20. Virus spreads via?
    Answer: Files

  21. Trojan is?
    Answer: Malicious program

  22. Router connects?
    Answer: Multiple networks

  23. ISP provides?
    Answer: Internet access

  24. WWW works on?
    Answer: HTTP

  25. HTML stands for?
    Answer: HyperText Markup Language

  26. IP address version widely used?
    Answer: IPv4

  27. SSL provides?
    Answer: Encryption

  28. Cyber security protects?
    Answer: Data

  29. LAN covers?
    Answer: Small area

  30. Internet is example of?
    Answer: WAN

🎯 Conclusion

These 100 Internet and Networking MCQs are extremely important for:

  • SSC

  • Banking

  • UPSI

  • STENO

  • Computer Operator

  • All Government Exams

👉 Practice more Computer MCQs at:
https://www.computergs.online/


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