How many total bits comprise a standard physical hardware MAC address etched into a network interface chip? MCQ with Answer and Explanation

Question
How many total bits comprise a standard physical hardware MAC address etched into a network interface chip?
A. 32 bits
B. 64 bits
C. 128 bits
D. 48 bits
Answer: Option D
Solution (By JKSSB Mock Tests)
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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What is the maximum number of usable host addresses available within a standard, un-subnetted Class C network block?
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Correct Answer: Option C

Explanation:
A Class C network has 256 addresses total, but 2 are reserved (one for the network ID and one for the broadcast address), leaving 254 usable host slots.
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Which protocol is used to access and view web pages?
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Correct Answer: Option A

Explanation:
Packet headers include addressing, protocol, and other metadata for routing and reassembly.
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