How many total bits define a physical hardware MAC address embedded on a network interface chip? MCQ with Answer and Explanation

How many total bits define a physical hardware MAC address embedded on a network interface chip?

A. 48 bits

B. 128 bits

C. 64 bits

D. 32 bits

Answer: Option A

A MAC address is a permanent 48-bit physical hardware identifier, usually represented as 12 hexadecimal characters.

This question belongs to: Computer Computer Networking

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Question #1 Report Error

Which topology uses a token to control transmission and avoid collisions?

A. Wi-Fi

B. FDDI

C. Token Ring

D. Ethernet

Correct Answer: Option C

Explanation:
Token Ring networks use token passing to regulate access, eliminating collisions.

This question belongs to: Computer Computer Networking

Question #2 Report Error

Which of the following represents a valid IPv6 address string format?

A. 00-14-22-01-23-45

B. 192.168.1.256

C. [http://www.google.com/ipv6](https://www.google.com/search?q=http://www.google.com/ipv6)

D. 2001:0db8:85a3:0000:0000:8a2e:0370:7334

Correct Answer: Option D

Explanation:
IPv6 addresses are written as groups of four hexadecimal digits separated by colons, encompassing eight separate structural blocks.

This question belongs to: Computer Computer Networking

Question #3 Report Error

Which protocol is used to prevent loops in a switched network?

A. OSPF

B. RIP

C. BGP

D. STP (Spanning Tree Protocol)

Correct Answer: Option D

Explanation:
Spanning Tree Protocol (STP) prevents loops in networks with redundant links.

This question belongs to: Computer Computer Networking