What is the maximum number of IP addresses in a Class C network? MCQ with Answer and Explanation

Question
What is the maximum number of IP addresses in a Class C network?
A. 256
B. 65534
C. 16,777,214
D. 254
Answer: Option D
Solution (By JKSSB Mock Tests)
Class C has 8 host bits, giving 2^8 = 256 addresses, with 2 reserved (network and broadcast), so 254 usable.
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Practice More Computer Networking Questions

Question #1
Which protocol can automatically configure a workstation with an IP address, subnet mask, default gateway, and DNS paths upon boot?
A. ICMP
B. DHCP
C. NAT
D. ARP
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Correct Answer: Option B

Explanation:
DHCP dynamically manages network configuration parameters, automatically assigning IP leases to client devices on startup.
This question belongs to: Computer Computer Networking
Question #2
What operational feature distinguishes an intelligent network switch from a basic hardware hub?
A. Switches use analog modulation steps exclusively.
B. Switches lack physical Ethernet connections.
C. Switches run entirely at the physical layer without checking data links.
D. Switches analyze incoming frames and forward them directly to specific ports based on destination MAC addresses.
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Correct Answer: Option D

Explanation:
Switches inspect incoming frames at Layer 2, using an internal MAC address table to forward data directly to the target port rather than broadcasting it to all ports.
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Question #3
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. IPv4 lacks compatibility with wireless devices.
C. IPv4 cannot route multimedia payloads.
D. The 32-bit address space of IPv4 cannot provide enough unique addresses for the global volume of internet-connected devices.
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Correct Answer: Option D

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
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