Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q1881: What happens if no ARP reply is received after an ARP request is sent?
- A: The request is retried immediately
- B: An error is returned
- C: No action is taken, and the packet is discarded
- D: The request is ignored
View Answer
D
Q1882: What does the Address Resolution Protocol (ARP) do?
- A: Maps IP addresses to MAC addresses
- B: Assigns IP addresses to devices
- C: Assigns MAC addresses to devices
- D: Sends data between IP nodes
View Answer
A
Q1883: Fill in the blank: ARP operates mainly at the _______ layer of the OSI model.
- A: Physical
- B: Network
- C: Link
- D: Transport
View Answer
C
Q1884: Which of the following is true about ARP?
- A: ARP maps IP addresses to MAC addresses
- B: ARP maps MAC addresses to IP addresses
- C: ARP is used for DNS resolution
- D: ARP is used for routing IP packets
View Answer
A
Q1885: When a device needs to find the MAC address for an IP address, it sends an _______ request.
- A: ARP request
- B: ARP reply
- C: ARP broadcast
- D: ARP probe
View Answer
A
Q1886: Fill in the blank: An ARP request is a _______ message sent to all devices in the local network.
- A: broadcast
- B: unicast
- C: anycast
- D: multicast
View Answer
A
Q1887: What is contained in the ARP reply message?
- A: Source MAC address, destination IP address
- B: Source MAC address, destination MAC address
- C: Source IP address, destination IP address
- D: Source IP address, destination MAC address
View Answer
B
Q1888: Which type of address does ARP resolve from an IP address?
- A: Link-layer address
- B: Domain name address
- C: IP address
- D: Port address
View Answer
A
Q1889: Fill in the blank: The ARP request is sent to the _______ address of the network.
- A: unicast
- B: broadcast
- C: multicast
- D: anycast
View Answer
B
Q1890: Which of the following is a correct ARP request message format?
- A: IP address of source, MAC address of destination
- B: IP address of source, IP address of destination
- C: MAC address of source, IP address of destination
- D: IP address of source, MAC address of destination
View Answer
A