Computer Networks MCQs with Answers
Practice important Computer Networks MCQs with answers and explanations.
Multiple Choice Questions
Q921: SOURCE DIST IP ADDRESS field shows the IP addresses of ________.
- A: Router and Gateway
- B: Source and destination
- C: Source only
- D: Destination only
View Answer
B
Q922: IP datagram options like record route and timestamp are placed between which two fields?
- A: Source address and destination address
- B: Destination address and data
- C: Header checksum and source address
- D: TTL and protocol
View Answer
B
Q923: Network interface layer encapsulates IP datagram as data area in ________.
- A: Hardware frame
- B: Transport layer
- C: Application layer
- D: Router packet
View Answer
A
Q924: How does the hardware frame interpret IP datagram format?
- A: It fully understands it
- B: It partially understands it
- C: It ignores it
- D: It processes it based on TTL
View Answer
C
Q925: At each hop, the router ________ the datagram from the incoming frame and ________ it into the outgoing frame.
- A: Encapsulates, decapsulates
- B: Decapsulates, encapsulates
- C: Modifies, drops
- D: Fragments, reassembles
View Answer
B
Q926: MTU stands for ________.
- A: Maximum Transfer Unit
- B: Minimum Transmission Unit
- C: Maximum Transmission Unit
- D: Minimum Transfer Unit
View Answer
C
Q927: In a heterogeneous network, when the downstream MTU is smaller than local MTU, what happens to large datagrams?
- A: They are dropped
- B: They are fragmented
- C: They are sent as is
- D: They are delayed
View Answer
B
Q928: Fragmentation in IP allows datagrams to be ________.
- A: Split to fit network MTU
- B: Combined for efficiency
- C: Encrypted for security
- D: Sent faster
View Answer
A
Q929: Each fragment of a datagram is treated as a(n) ________.
- A: Independent datagram
- B: Packet with no header
- C: Fragment without header
- D: Reassembled packet
View Answer
A
Q930: Which field indicates that a datagram is a fragment?
- A: TTL
- B: FLAGS
- C: IDENT
- D: TOTAL LENGTH
View Answer
B