What is a MAC address? MCQ with Answer and Explanation

Question
What is a MAC address?
A. A 64-bit address used for IPv6
B. A 32-bit logical address
C. A 48-bit physical address burned into the NIC
D. A 16-bit port number
Answer: Option C
Solution (By JKSSB Mock Tests)
MAC (Media Access Control) address is a 48-bit unique identifier assigned to network interfaces.
This question belongs to: Computer Computer Networking
Request complete Subject PDF

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Computer Networking Questions

Question #1
What is the primary technical reason for the ongoing migration from traditional IPv4 address configurations to modern IPv6 address pools?
A. IPv4 requires manual analog modulation adjustments.
B. The 32-bit address space of IPv4 cannot provide enough unique addresses for the global volume of internet-connected devices.
C. IPv4 lacks compatibility with wireless devices.
D. IPv4 cannot route multimedia payloads.
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option B

Explanation:
The growth of internet-connected devices has exhausted the ~4.3 billion addresses available under the 32-bit IPv4 pool, necessitating the 128-bit capacity of IPv6.
This question belongs to: Computer Computer Networking
Question #2
Which protocol can automatically configure a workstation with an IP address, subnet mask, default gateway, and DNS paths upon boot?
A. ICMP
B. ARP
C. NAT
D. DHCP
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option D

Explanation:
DHCP dynamically manages network configuration parameters, automatically assigning IP leases to client devices on startup.
This question belongs to: Computer Computer Networking
Question #3
Why is a basic network Hub often called a 'dumb' device compared to a modern network Switch?
A. It lacks internal power supplies.
B. It cannot transmit data wirelessly.
C. It broadcasts all incoming data packets out to every connected port, causing collision issues.
D. It cannot understand digital binary configurations.
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option C

Explanation:
A hub operates at the Physical Layer (Layer 1) and simply repeats incoming signals to all ports, increasing network collisions and security vulnerabilities.
This question belongs to: Computer Computer Networking
Explore All Computer Networking MCQs
Today's Top Topics
Computer Software 347 Computer Abbreviations 369 Operating Systems 510 Computer Networking 325 Microsoft Office 1199
Explore Subjects
Computer 5279 Science 4430 Geography GK 6121 Current Affairs 575 Static General Knowledge 6362
Practice Mix
The street ______ I live on is quiet.
What is the capacity unit for modern RAM modules?
Which of the following is a Rabi millet?
An object moving with uniform circular motion has
Identify the error: 'You are senior than me.'