Q1. What is the natural mask for a class C Network?
(A) 255.255.255.0
(B) 255.255.255.1
(C) 255.255.255.254
(D) All of these
Answer: 255.255.255.0
Explanation:
Q2. What is the size of Network bits & Host bits of Class A of IP address?
(A) Network bits 7, Host bits 24
(B) Network bits 8, Host bits 24
(C) Network bits 7, Host bits 23
(D) Network bits 8, Host bits 23
Answer: Network bits 7, Host bits 24
Explanation:
Q3. What is the size of Source and Destination IP address in IP header?
(A) 8 bits
(B) 16 bits
(C) 32 bits
(D) 64 bits
Answer: 32 bits
Explanation:
Q4. What is the uses of subnetting?
(A) It divides one large network into several smaller ones
(B) It divides network into network classes
(C) It speeds up the speed of network
(D) None of these
Answer: It divides one large network into several smaller ones
Explanation:
Q5. What should be the flag value to indicate the last fragment?
(A) 0
(B) 1
(C) Any of these
(D) None of these
Answer: 0
Explanation:
Q6. When we represent data in Code Division Multiple Access, a station is idle then it sends
(A) 0
(B) -1
(C) 1
(D) Infinity
Answer: 0
Explanation:
Q7. Which data communication method is used to transmit the data over a serial communication link?
(A) Simplex
(B) Half-duplex
(C) Full duplex
(D) All of these
Answer: Half-duplex
Explanation:
Q8. Which data communication method is used to transmit the data over a serial communication link?
(A) Simplex
(B) Half-duplex
(C) Full duplex
(D) All of these
Answer: Full duplex
Explanation:
Q9. Which field helps to check rearrangement of the fragments?
(A) offset
(B) flag
(C) TTL
(D) identifer
Answer: offset
Explanation:
Q10. Which of following provides reliable communication?
(A) TCP
(B) IP
(C) UDP
(D) All of these
Answer: TCP
Explanation:
Q11. Which of the following feature is present in IPv4 but not in IPv6.
(A) Fragmentation
(B) Header checksum
(C) Options
(D) All of these
Answer: All of the above
Explanation:
Q12. Which of the following field determines the lifetime of IPv6 datagram
(A) Hop limit
(B) TTL
(C) Next header
(D) None of these
Answer: Hop limit
Explanation:
Q13. Which of the following field in IPv4 datagram is not related to fragmentation?
(A) Flags
(B) Offset
(C) TOS
(D) Identifier
Answer: TOS
Explanation:
Q14. Which of the following is not applicable for IP?
(A) Error reporting
(B) Handle addressing conventions
(C) Datagram format
(D) Packet handling conventions
Answer: Error reporting
Explanation:
Q15. Which of the following is private IP address?
(A) 12.0.0.1
(B) 168.172.19.39
(C) 172.15.14.36
(D) 192.168.24.32
Answer: 192.168.24.32
Explanation:
Q16. Which of the following protocol is defined in Transport layer?
(A) TCP
(B) UDP
(C) Both of these
(D) None of these
Answer: Both of these
Explanation:
Q17. Which of these is not applicable for IP protocol?
(A) is connectionless
(B) offer reliable service
(C) offer unreliable service
(D) None of the mentioned
Answer: offer reliable service
Explanation:
Q18. Which one of the following computer network is built on the top of another network?
(A) prior network
(B) major network
(C) prime network
(D) overlay network
Answer: overlay network
Explanation:
Q19. Which one of the following extends a private network across public networks?
(A) local area network
(B) virtual private network
(C) enterprise private network
(D) storage area network
Answer: virtual private network
Explanation:
Q20. Which protocol does DHCP used at the transport layer
(A) ARP
(B) UDP
(C) IP
(D) TCP
Answer: UDP
Explanation:
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