What is the maximum number of usable host addresses available within a standard, un-subnetted Class C network block? MCQ with Answer and Explanation

What is the maximum number of usable host addresses available within a standard, un-subnetted Class C network block?
A. 128
B. 512
C. 256
D. 254
Answer: Option D
Solution (By JKSSB Mock Tests)
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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Practice More Computer Networking Questions

Question #1
What type of network architecture operates across a city-wide geographical region, linking multiple local area networks within a single municipality?
A. MAN
B. WAN
C. LAN
D. PAN

Correct Answer: Option A


Explanation:
A Metropolitan Area Network (MAN) is designed to connect computing resources across a city or regional municipal footprint.

This question belongs to: Computer Computer Networking
Question #2
A network that spans an entire city or a large university campus, linking multiple localized networks together, falls under which category?
A. LAN
B. MAN
C. WAN
D. PAN

Correct Answer: Option B


Explanation:
A Metropolitan Area Network (MAN) is larger than a LAN but smaller than a WAN, typically spanning a city block or urban community footprint.

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Question #3
Which network topology layout maps every device sequentially along a single continuous cable path, resembling a closed circular loop with no open endpoints?
A. Bus Topology
B. Tree Topology
C. Ring Topology
D. Star Topology

Correct Answer: Option C


Explanation:
A ring topology connects devices in a continuous loop, where each station receives and repeats data frames until they reach their destination.

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