Which IPv4 address class range is explicitly reserved for multicast distribution groups rather than individual node assignments? MCQ with Answer and Explanation

Question
Which IPv4 address class range is explicitly reserved for multicast distribution groups rather than individual node assignments?
A. Class D
B. Class E
C. Class A
D. Class B
Answer: Option A
Solution (By JKSSB Mock Tests)
Class D IP addresses span from 224.0.0.0 to 239.255.255.255 and are reserved worldwide for multicasting workflows.
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Practice More Computer Networking Questions

Question #1
Which network layer protocol is used for error reporting and diagnostic functions?
A. ARP
B. ICMP
C. UDP
D. TCP
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Correct Answer: Option B

Explanation:
ICMP (Internet Control Message Protocol) is used for error messages and diagnostics like ping.
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Question #2
Which protocol works automatically to resolve local IP addresses to physical hardware addresses on an Ethernet network segment?
A. DNS
B. DHCP
C. ARP (Address Resolution Protocol)
D. NAT
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Correct Answer: Option C

Explanation:
ARP converts logical IP targets into corresponding physical MAC addresses within a local data link layer segment.
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Question #3
What is the primary function of a Router in a computer network ecosystem?
A. To connect distinct networks and route data packets based on logical IP addresses.
B. To act as a physical patch panel for structural wiring.
C. To regenerate weak signals across long cable lengths.
D. To convert analog signals directly into serial bitstreams.
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Correct Answer: Option A

Explanation:
Routers operate at the Network Layer (Layer 3) and use IP addresses to determine the optimal path for forwarding data packets across different networks.
This question belongs to: Computer Computer Networking
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