Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q1861: Which of the following is a typical ARP message type?
- A: ARP request
- B: ARP connection
- C: ARP search
- D: ARP destination
View Answer
A
Q1862: When a node wants to send an IP packet, it needs the _______ address to encapsulate the packet in a frame.
- A: IP
- B: Subnet mask
- C: Link-layer
- D: MAC
View Answer
C
Q1863: Fill in the blank: ARP resolves _______ address to link-layer (MAC) address.
- A: Port
- B: Network
- C: IP
- D: Subnet
View Answer
C
Q1864: Which of the following protocols operates at the Link Layer and is responsible for mapping IP addresses to MAC addresses?
- A: ARP
- B: TCP
- C: UDP
- D: ICMP
View Answer
A
Q1865: What is the purpose of ARP (Address Resolution Protocol)?
- A: To resolve MAC addresses to IP addresses
- B: To route IP packets across networks
- C: To translate IP addresses to domain names
- D: To provide security for IP addresses
View Answer
A
Q1866: When a node wants to send data to a destination IP address, it needs to resolve the corresponding _______ address.
- A: MAC
- B: IP
- C: Port
- D: Network
View Answer
A
Q1867: What type of message is sent by a node when it needs to find the MAC address for a known IP address?
- A: ARP request
- B: ARP reply
- C: ARP response
- D: ARP broadcast
View Answer
A
Q1868: Fill in the blank: An ARP reply contains the _______ address of the node that owns the requested IP address.
- A: IP
- B: MAC
- C: Port
- D: Subnet
View Answer
B
Q1869: Which of the following is true about the ARP protocol?
- A: ARP is used to convert MAC addresses to IP addresses.
- B: ARP is used to convert IP addresses to MAC addresses.
- C: ARP is used for security purposes in networks.
- D: ARP is used to assign IP addresses to nodes.
View Answer
B
Q1870: Fill in the blank: ARP operates primarily at the _______ layer of the OSI model.
- A: Physical
- B: Network
- C: Link
- D: Transport
View Answer
C