Which protocol works automatically to resolve local IP addresses to physical hardware addresses on an Ethernet network segment? MCQ with Answer and Explanation

Which protocol works automatically to resolve local IP addresses to physical hardware addresses on an Ethernet network segment?

A. DNS

B. ARP (Address Resolution Protocol)

C. DHCP

D. NAT

Answer: Option B

ARP converts logical IP targets into corresponding physical MAC addresses within a local data link layer segment.

This question belongs to: Computer Computer Networking

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Question #1 Report Error

An IPv4 address is composed of how many bits, and how are they typically formatted for human readability?

A. 128 bits, formatted as hexadecimal characters

B. 32 bits, divided into four octets separated by dots

C. 16 bits, divided into two bytes separated by hyphens

D. 64 bits, divided into eight blocks separated by colons

Correct Answer: Option B

Explanation:
An IPv4 address consists of 32 bits arranged into four 8-bit octets, represented in dotted-decimal format (e.g., 192.168.1.1).

This question belongs to: Computer Computer Networking

Question #2 Report Error

Which network topology provides the highest redundancy because each device is connected to every other?

A. Star

B. Ring

C. Bus

D. Mesh

Correct Answer: Option D

Explanation:
Full mesh topology connects each node to every other, offering multiple paths and high redundancy.

This question belongs to: Computer Computer Networking

Question #3 Report Error

What does the term broadcast domain mean?

A. A set of devices that can receive broadcast frames

B. A set of devices that share the same IP network

C. A set of devices that can collide

D. A set of devices connected to a hub

Correct Answer: Option A

Explanation:
A broadcast domain is a logical division where a broadcast frame sent by one device can reach all other devices.

This question belongs to: Computer Computer Networking