Computer Networks MCQs with Answers
Practice important Computer Networks MCQs with answers and explanations.
Multiple Choice Questions
Q911: Virtual packets are encapsulated inside ________ frames to travel across physical networks.
- A: Hardware
- B: Software
- C: Logical
- D: Transport
View Answer
A
Q912: Connectionless service combines multiple physical networks into a single ________.
- A: Virtual network
- B: Physical network
- C: Logical network
- D: Subnet
View Answer
A
Q913: Which transport protocol uses connection-oriented data delivery?
- A: UDP
- B: TCP
- C: IP
- D: ICMP
View Answer
B
Q914: What does the VERS field in an IP datagram indicate?
- A: Header length
- B: IP version
- C: Total length
- D: Service type
View Answer
B
Q915: The H.LEN field in an IP datagram header shows the header length in units of ________.
- A: 8-bits
- B: 16-bits
- C: 32-bits
- D: 64-bits
View Answer
C
Q916: Which field in the IP header shows sender’s preference for low latency and high reliability?
- A: Version
- B: Service Type
- C: TTL
- D: Fragment Offset
View Answer
B
Q917: TOTAL LENGTH field in an IP datagram represents ________.
- A: Length of header only
- B: Length of data only
- C: Total octets in datagram
- D: Number of fragments
View Answer
C
Q918: Which field in the IP datagram header is used to discard datagram after passing through several routers?
- A: TTL
- B: Fragment Offset
- C: IDENT
- D: Checksum
View Answer
A
Q919: The IP datagram field used to identify fragments of the original datagram is called ________.
- A: FLAGS
- B: IDENT
- C: TOTAL LENGTH
- D: OFFSET
View Answer
B
Q920: What does the HEADER CHECKSUM field in IP datagram contain?
- A: 1’s complement sum
- B: 2’s complement sum
- C: 1’s complement of 1’s complement sum
- D: Binary sum
View Answer
C