Computer Networks · Question 3 · Easy
Which protocol finds the MAC address that belongs to a known IPv4 address on a local network?
- RARP
- DNS
- DHCP
- ARP
Answer and explanation
Answer: D. ARP
Explanation: ARP (Address Resolution Protocol) maps an IPv4 address to a MAC address. DNS maps names to IP addresses, and DHCP assigns IP configuration.
Previous: What is the default port number for HTTPS? · Next: Which device works at the data link layer and forwards frames based on…
Practise computer networks
Try a fresh set of computer networks questions with an explanation after every answer, free and without signing up: Computer Networks practice. Or sit a full placement mock test.
More computer networks questions
- Which layer of the OSI model is responsible for logical addressing and routing…
- What is the default port number for HTTPS?
- Which device works at the data link layer and forwards frames based on…
- Which transport-layer protocol is connectionless and does not guarantee…
- How many usable host addresses are available in a single subnet with the mask…
- What is the broadcast address of the subnet containing the host…
- What is the correct order of segments in TCP's three-way handshake for opening…
- Which of the following is a private IPv4 address (RFC 1918)?
- A Go-Back-N ARQ protocol uses 3-bit sequence numbers. What is the maximum…
- CSMA/CD (Carrier Sense Multiple Access with Collision Detection) is the…
More technical & programming practice
Software Engineering · Cloud & DevOps · GenAI Basics · Pseudo-code · C Programming · Java · Python · Data Structures
LogicWiz Exams home · All practice topics · Placement mock tests · Daily 10 challenge