This set of Multiple Choice Questions (MCQs) covers the TCP/IP Model, including layers, protocols like HTTP, FTP, DNS, ARP, and concepts such as sockets, IP addressing, and packet switching. These questions are highly useful for IBPS IT Officer, GATE, and other competitive exams.
Tip: Before attempting this, make sure you understand the OSI Model fundamentals. Practice OSI Model MCQs (Set 1)
Topic: Computer Networks – TCP/IP Model | Set: 1
Difficulty: Easy to Medium
Total Questions: 15
TCP/IP Model MCQ
Q1. The TCP/IP model does not include which OSI layer?
A. Transport Layer
B. Network Layer
C. Presentation Layer
D. Application Layer
View Answer & Explanation
Answer: C
Explanation: TCP/IP merges Presentation and Session into the Application layer.
Q2. Which protocol maps IP address to MAC address?
A. DNS
B. ARP
C. ICMP
D. IGMP
View Answer & Explanation
Answer: B
Explanation: ARP resolves IP addresses to MAC addresses.
Q3. Which layer ensures end-to-end communication?
A. Internet Layer
B. Network Interface Layer
C. Transport Layer
D. Application Layer
View Answer & Explanation
Answer: C
Explanation: Transport layer ensures reliable communication using TCP.
Q4. Which is a connectionless protocol?
A. TCP
B. UDP
C. IP
D. HTTP
View Answer & Explanation
Answer: B
Explanation: UDP sends data without establishing a connection.
Q5. Which protocol sends error messages?
A. SMTP
B. ICMP
C. FTP
D. SNMP
View Answer & Explanation
Answer: B
Explanation: ICMP handles error reporting and diagnostics.
Q6. Default port for HTTP is:
A. 21
B. 23
C. 25
D. 80
View Answer & Explanation
Answer: D
Explanation: HTTP uses port 80 by default.
Q7. Protocol used for remote login:
A. HTTP
B. Telnet
C. FTP
D. SMTP
View Answer & Explanation
Answer: B
Explanation: Telnet enables remote terminal access.
Q8. Which system resolves domain names to IP?
A. DHCP
B. DNS
C. ARP
D. RARP
View Answer & Explanation
Answer: B
Explanation: DNS translates domain names into IP addresses.
Q9. IPv4 loopback address is:
A. 192.168.1.1
B. 127.0.0.1
C. 255.255.255.255
D. 0.0.0.0View Answer & Explanation
View Answer & Explanation
Answer: B
Explanation: 127.0.0.1 is used for local testing.
Q10. Protocol used to assign IP automatically:
A. DNS
B. SMTP
C. DHCP
D. SNMP
View Answer & Explanation
Answer: C
Explanation: DHCP dynamically assigns IP addresses.
Q11. Internet Layer corresponds to which OSI layer?
A. Physical
B. Data Link
C. Network
D. Transport
View Answer & Explanation
Answer: C
Explanation: Both handle routing and logical addressing.
Q12. Protocol used for file transfer:
A. SMTP
B. SNMP
C. FTP
D. ICMP
View Answer & Explanation
Answer: C
Explanation: FTP is used to transfer files.
Q13. Protocol used for email transfer:
A. POP3
B. IMAP
C. SMTP
D. HTTP
View Answer & Explanation
Answer: C
Explanation: SMTP sends emails between servers.
Q14. A socket consists of:
A. IP + MAC
B. IP + Port
C. MAC + Port
D. Username + Password
View Answer & Explanation
Answer: B
Explanation: Socket uniquely identifies communication endpoint.
Q15. Packet-switching networks are:
A. Dedicated
B. Shared
C. Analog only
D. Virtual circuits only
View Answer & Explanation
Answer: B
Explanation: Multiple users share network resources in packet switching.
Conclusion
This set strengthens your understanding of TCP/IP Model concepts, protocols, and communication mechanisms. Master these topics for better performance in IBPS IT Officer and GATE exams.
For detailed theory and understanding of the concepts, refer to TCP/IP Computer Networks