Computer Networks MCQs with Answers
Practice important Computer Networks MCQs with answers and explanations.
Multiple Choice Questions
Q871: The hexadecimal value 0x806 in an Ethernet frame indicates the frame contains an ________ message.
- A: ICMP
- B: ARP
- C: TCP
- D: UDP
View Answer
B
Q872: The two basic message types of ARP are ________ and ________.
- A: Request, Response
- B: Send, Receive
- C: Query, Reply
- D: Find, Answer
View Answer
A
Q873: ARP reduces network traffic by caching address bindings from ________ messages.
- A: Response
- B: Request
- C: Request and Response
- D: None of the above
View Answer
C
Q874: The operation field in an ARP message tells whether the message is a ________ or a ________.
- A: Request, Response
- B: Response, Request
- C: Send, Receive
- D: Receive, Send
View Answer
A
Q875: When the TARGET PADDR matches the receiver's local protocol address, the receiver must send an ________.
- A: ARP request
- B: ARP response
- C: ICMP reply
- D: TCP acknowledgment
View Answer
B
Q876: Encapsulation is the process of placing a message inside a ________ for transport.
- A: Packet
- B: Frame
- C: Segment
- D: Datagram
View Answer
B
Q877: The ARP message format is sufficiently general to allow arbitrary protocol and hardware ________.
- A: Addresses
- B: Lengths
- C: Types
- D: Ports
View Answer
A
Q878: To identify ARP responses, the Ethernet frame's type field must contain the value ________.
- A: 0x800
- B: 0x806
- C: 0x808
- D: 0x8064
View Answer
B
Q879: Caching ARP responses helps improve ________ efficiency.
- A: CPU
- B: Network
- C: TCP
- D: UDP
View Answer
B
Q880: In ARP, the REQUEST message asks for the ________ address corresponding to an IP address.
- A: Hardware
- B: Protocol
- C: Subnet
- D: MAC
View Answer
A