TCP/IP Model MCQ Quiz: Protocols and Key Differences

Test your knowledge of the TCP/IP model with this comprehensive MCQ quiz covering protocols, layers and key differences. Perfect for learners and IT professionals aiming to enhance their understanding of networking concepts. Start now!

📌 Important Exam Instructions

  • ✅ This is a free online test. Do not pay anyone claiming otherwise.
  • 📋 Total Questions: 30
  • ⏳ Time Limit: 30 minutes
  • 📝 Marking Scheme: +1 for each correct answer. No negative marking.
  • ⚠️ Avoid page refresh or closing the browser tab to prevent loss of test data.
  • 🔍 Carefully read all questions before submitting your answers.
  • 🎯 Best of Luck! Stay focused and do your best. 🚀

Time Left (min): 00:00

1. How many layers are there in the TCP/IP model?

  • 3
  • 4
  • 5
  • 7

2. Which layer of the TCP/IP model is responsible for end-to-end communication?

  • Application layer
  • Transport layer
  • Internet layer
  • Network access layer

3. What is the primary protocol used at the transport layer of the TCP/IP model?

  • HTTP
  • FTP
  • TCP
  • IP

4. Which protocol is used for email delivery in the application layer of the TCP/IP model?

  • FTP
  • SMTP
  • SNMP
  • DNS

5. The function of the Internet layer in the TCP/IP model is to:

  • Handle data formatting
  • Manage IP addressing and routing
  • Ensure error-free delivery
  • Provide access to network resources

6. Which protocol provides a connectionless service in the transport layer?

  • TCP
  • UDP
  • FTP
  • SNMP

7. What is the purpose of the DNS protocol in the TCP/IP model?

  • Transmitting web pages
  • Translating domain names to IP addresses
  • Managing email communication
  • Ensuring secure data transfer

8. The TCP protocol is classified as:

  • A connection-oriented protocol
  • A connectionless protocol
  • A data-link layer protocol
  • An application layer protocol

9. The IPv4 address is represented in:

  • Hexadecimal format
  • Binary format
  • Decimal format with dots
  • Alphanumeric format

10. Which of the following operates at the application layer of the TCP/IP model?

  • TCP
  • HTTP
  • IP
  • ARP

11. Which protocol resolves MAC addresses from IP addresses?

  • HTTP
  • ARP
  • DHCP
  • ICMP

12. The purpose of the ICMP protocol is to:

  • Provide secure communication
  • Enable error reporting and diagnostics
  • Assign IP addresses dynamically
  • Establish connections between devices

13. Which protocol is used for secure web communication?

  • HTTP
  • HTTPS
  • FTP
  • SNMP

14. The DHCP protocol is used for:

  • Dynamic allocation of IP addresses
  • File transfer
  • Network troubleshooting
  • Monitoring network devices

15. The function of the network access layer in the TCP/IP model is to:

  • Provide logical addressing
  • Transmit raw data over the physical medium
  • Manage transport layer connections
  • Enable error correction at the data-link layer

16. Which protocol ensures packet delivery in the correct order?

  • UDP
  • TCP
  • HTTP
  • ICMP

17. Which protocol translates a URL into an IP address?

  • HTTP
  • FTP
  • DNS
  • DHCP

18. Which of the following protocols is used to transfer files between systems?

  • FTP
  • SMTP
  • SNMP
  • HTTPS

19. The purpose of the NAT (Network Address Translation) is to:

  • Resolve domain names
  • Provide dynamic IP addressing
  • Map private IP addresses to a public IP address
  • Encrypt data for secure transmission

20. Which of these is a core feature of the TCP protocol?

  • Low latency
  • Connection establishment and termination
  • Connectionless transmission
  • Minimal header overhead

21. What type of IP address is 192.168.0.1?

  • A public IP address
  • A private IP address
  • A broadcast address
  • A loopback address

22. The port number for HTTP is:

  • 21
  • 23
  • 80
  • 443

23. Which of the following is a Layer 4 protocol?

  • TCP
  • ARP
  • IP
  • DNS

24. What is the purpose of the SNMP protocol?

  • Monitor and manage network devices
  • Secure communication over the Internet
  • Transfer files between devices
  • Provide error-free data transfer

25. Which protocol uses port 22 for secure communication?

  • FTP
  • SSH
  • Telnet
  • DNS

26. The maximum size of an IPv4 packet is:

  • 16 KB
  • 32 KB
  • 64 KB
  • 128 KB

27. The primary function of the application layer in the TCP/IP model is to:

  • Handle end-user interactions
  • Route data packets
  • Manage connections
  • Assign IP addresses

28. Which protocol allows devices to automatically discover their network configuration?

  • DHCP
  • DNS
  • ICMP
  • ARP

29. The loopback IP address 127.0.0.1 is used for:

  • Communicating with other networks
  • Testing network interfaces
  • Addressing remote devices
  • Network broadcasting

30. Which layer of the TCP/IP model handles routing of data packets?

  • Application layer
  • Transport layer
  • Internet layer
  • Network access layer

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