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. 64 bits
B. 32 bits
C. 48 bits
D. 128 bits
Answer: Option C
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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Practice More Computer Networking Questions

Question #1
What is the purpose of an SNMP (Simple Network Management Protocol)?
A. To assign IP addresses
B. To transfer files
C. To manage and monitor network devices
D. To route packets
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Correct Answer: Option C

Explanation:
SNMP is used for network management, monitoring devices like routers and switches.
This question belongs to: Computer Computer Networking
Question #2
What is the default subnet mask assigned to standard Class C IP addresses under traditional classful addressing configurations?
A. 255.255.255.0
B. 255.255.0.0
C. 255.0.0.0
D. 255.255.255.255
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Correct Answer: Option A

Explanation:
Class C networks allocate 24 bits to the network ID, which corresponds to a default subnet mask of 255.255.255.0.
This question belongs to: Computer Computer Networking
Question #3
What is the purpose of an Ethernet frame's preamble?
A. To provide error detection
B. To carry data
C. To synchronize the sender and receiver
D. To indicate the frame length
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Correct Answer: Option C

Explanation:
The preamble is a 7-byte pattern for synchronization and clock alignment.
This question belongs to: Computer Computer Networking
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