Which IP address class allocates the first two octets to identify the network portion and the remaining two octets for host devices, using a default mask of 255.255.0.0? MCQ with Answer and Explanation

Which IP address class allocates the first two octets to identify the network portion and the remaining two octets for host devices, using a default mask of 255.255.0.0?
A. Class A
B. Class D
C. Class C
D. Class B
Answer: Option D
Solution (By JKSSB Mock Tests)
Class B addresses use a 16-bit network prefix, spanning an initial octet range from 128 to 191.

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C. Ring
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Correct Answer: Option B


Explanation:
Fiber-optic networks often use star topology with active switches or hubs.

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Which technology allows a network router to translate private internal LAN IP addresses into a single public internet address, conserving global IPv4 address space?
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Correct Answer: Option B


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