Computer Networks MCQs with Answers
Practice important Computer Networks MCQs with answers and explanations.
Chapter: 28
Q861:
The ARP standard defines two basic message types:
A. Request and Response
B. Send and Receive
C. Query and Reply
D. Find and Answer
Correct Answer:
A
Chapter: 28
Q862:
An ARP Request message contains an ________ and requests the corresponding hardware address.
A. IP address
B. MAC address
C. Protocol address
D. Port address
Correct Answer:
A
Chapter: 28
Q863:
An ARP Response message contains both the IP address sent in the request and the ________.
A. Hardware address
B. Subnet mask
C. Protocol address
D. Default gateway
Correct Answer:
A
Chapter: 28
Q864:
The ARP message is usually used to bind a 32-bit IP address to a ________ Ethernet address.
A. 64-bit
B. 48-bit
C. 32-bit
D. 16-bit
Correct Answer:
B
Chapter: 28
Q865:
The process of placing a message inside a hardware frame for transport is called ________.
A. Framing
B. Encapsulation
C. Decapsulation
D. Packaging
Correct Answer:
B
Chapter: 28
Q866:
The type field in an Ethernet frame carrying an ARP message must contain the hexadecimal value ________.
A. 0x806
B. 0x800
C. 0x0800
D. 0x8064
Correct Answer:
A
Chapter: 28
Q867:
ARP software stores received responses in a ________ to reduce network traffic.
A. Queue
B. Cache
C. Buffer
D. Stack
Correct Answer:
B
Chapter: 28
Q868:
When an ARP message arrives, the receiver first extracts the sender's address binding and checks if it is present in the ________.
A. Memory
B. Cache
C. Queue
D. Buffer
Correct Answer:
B
Chapter: 28
Q869:
If the ARP message is a request, the receiver compares the TARGET PADDR field with the local ________ address.
A. Protocol
B. Hardware
C. IP
D. MAC
Correct Answer:
C
Chapter: 28
Q870:
ARP is a function of the ________ layer in the network stack.
A. Transport
B. Network
C. Network Interface
D. Application
Correct Answer:
C
Chapter: 28
Q871:
The hexadecimal value 0x806 in an Ethernet frame indicates the frame contains an ________ message.
A. ICMP
B. ARP
C. TCP
D. UDP
Correct Answer:
B
Chapter: 28
Q872:
The two basic message types of ARP are ________ and ________.
A. Request, Response
B. Send, Receive
C. Query, Reply
D. Find, Answer
Correct Answer:
A
Chapter: 28
Q873:
ARP reduces network traffic by caching address bindings from ________ messages.
A. Response
B. Request
C. Request and Response
D. None of the above
Correct Answer:
C
Chapter: 28
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
Correct Answer:
A
Chapter: 28
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
Correct Answer:
B
Chapter: 28
Q876:
Encapsulation is the process of placing a message inside a ________ for transport.
A. Packet
B. Frame
C. Segment
D. Datagram
Correct Answer:
B
Chapter: 28
Q877:
The ARP message format is sufficiently general to allow arbitrary protocol and hardware ________.
A. Addresses
B. Lengths
C. Types
D. Ports
Correct Answer:
A
Chapter: 28
Q878:
To identify ARP responses, the Ethernet frame's type field must contain the value ________.
A. 0x800
B. 0x806
C. 0x808
D. 0x8064
Correct Answer:
B
Chapter: 28
Q879:
Caching ARP responses helps improve ________ efficiency.
A. CPU
B. Network
C. TCP
D. UDP
Correct Answer:
B
Chapter: 28
Q880:
In ARP, the REQUEST message asks for the ________ address corresponding to an IP address.
A. Hardware
B. Protocol
C. Subnet
D. MAC
Correct Answer:
A