Computer Networks MCQs with Answers
Practice important Computer Networks MCQs with answers and explanations.
Multiple Choice Questions
Q891: Routers forward packets between physical networks and are formally called ________.
- A: Gateways
- B: Switches
- C: Hubs
- D: Bridges
View Answer
A
Q892: IP datagrams have a ________ hardware-independent format.
- A: Variable
- B: Uniform
- C: Partial
- D: Undefined
View Answer
B
Q893: An IP datagram includes which two main parts?
- A: Header and Trailer
- B: Header and Data
- C: Data and Footer
- D: Header and Checksum
View Answer
B
Q894: The fixed size of an IP datagram header is usually ________ octets.
- A: 10
- B: 20
- C: 30
- D: 40
View Answer
B
Q895: The data area of an IP datagram can contain up to ________ octets.
- A: 65535
- B: 1024
- C: 2048
- D: 4096
View Answer
A
Q896: Which of the following is NOT included in the IP datagram header?
- A: Destination address
- B: Source address
- C: Port number
- D: Identifier
View Answer
C
Q897: Routers forward datagrams based on information in the ________.
- A: Header
- B: Payload
- C: Trailer
- D: Checksum
View Answer
A
Q898: The routing table contains a list of destination networks and ________ for each destination.
- A: Next hop
- B: Subnet mask
- C: IP address
- D: Port number
View Answer
A
Q899: The routing table is initialized at system startup and updated as ________ changes.
- A: Network topology
- B: IP address
- C: Subnet mask
- D: Protocol version
View Answer
A
Q900: Address masks define how many bits of an IP address are used as a ________.
- A: Prefix
- B: Suffix
- C: Subnet
- D: Host
View Answer
A