What layer of the OSI model does a traditional hardware Router operate within to make path-forwarding decisions? MCQ with Answer and Explanation

Question
What layer of the OSI model does a traditional hardware Router operate within to make path-forwarding decisions?
A. Network Layer (Layer 3)
B. Physical Layer (Layer 1)
C. Data Link Layer (Layer 2)
D. Transport Layer (Layer 4)
Answer: Option A
Solution (By JKSSB Mock Tests)
Routers operate at Layer 3 (Network Layer), analyzing logical IP addresses to direct data packets across networks.
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Practice More Computer Networking Questions

Question #1
Which networking utility uses ICMP packets to verify if a remote destination host is online and record round-trip latency metrics?
A. TRACERT
B. IPCONFIG
C. PING
D. NSLOOKUP
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Correct Answer: Option C

Explanation:
The ping command uses ICMP Echo Request and Echo Reply packets to test basic network connectivity and measure latency.
This question belongs to: Computer Computer Networking
Question #2
What is the maximum data rate of Fast Ethernet?
A. 10 Mbps
B. 10 Gbps
C. 100 Mbps
D. 1 Gbps
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Correct Answer: Option C

Explanation:
Fast Ethernet (100BASE-T) operates at 100 Mbps.
This question belongs to: Computer Computer Networking
Question #3
Which of the following is an IP address reserved exclusively for use within private internal networks?
A. 8.8.4.4
B. 192.168.1.50
C. 200.200.200.200
D. 172.32.1.1
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Correct Answer: Option B

Explanation:
The 192.168.0.0 to 192.168.255.255 range is defined by RFC 1918 as a private Class C IP block reserved for internal networks.
This question belongs to: Computer Computer Networking
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