200-301 Question #595: Real Exam Question with Answer & Explanation

Question

Refer to the exhibit. Traffic sourced from the loopback0 Interface is trying to connect via ssh to the host at 10.0.1.15. What is the next hop to the destination address?

Options

• A192.168.0.7
• B192.168.0.4
• C192.168.0.40
• D192.168.3.5

Explanation

To determine the next hop for a destination IP address, a router performs a longest prefix match against its routing table, selecting the most specific entry.

Common mistakes.

• A. This IP address is incorrect unless the routing table explicitly specifies it as the next hop for the best route to 10.0.1.15, which would contradict the correct answer.
• C. This IP address is incorrect unless the routing table explicitly specifies it as the next hop for the best route to 10.0.1.15, which would contradict the correct answer.
• D. This IP address would typically be a next hop for a less specific route (like a default route) or a different subnet, and not the most specific match for 10.0.1.15 if a more specific route exists.

Concept tested. IP routing table lookup (longest prefix match)

Reference. https://www.cisco.com/c/en/us/support/docs/ip/routing-information-protocol-rip/16448-routing.html

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