GIAC Exam GSNA Topic 3 Question 64 Discussion

Actual exam question for GIAC's GSNA exam

Question #: 64
Topic #: 3

The following output is generated by running the show ip route command:

RouterA#show ip route

< - - Output Omitted for brevity - ->

Which next hop address will RouterA use in forwarding traffic to 10.10.100.0/24?

A192.168.10.0

B172.18.60.1

C172.18.50.1

D172.18.1.1

Show Suggested Answer

Suggested Answer: D

The routing table displays various RIP and Connected routes. There is no routing entry for 10.10.100.0/24, but there is a default route in the

routing table using 172.18.1.1 as the next hop router. Given that 10.10.100.0/24 does not have a direct entry in the routing table, RouterA

will forward traffic to the default route next hop address of 172.18.1.1.

Answer A is incorrect. The address does not appear in the routing table as a next hop router, in addition to being an actual subnet

number for 192.168.10.0/24.

Answer C is incorrect. 172.18.50.1 is the next hop for reaching 192.168.11.0.

Answer B is incorrect. 172.18.60.1 is the next hop for reaching 192.168.12.0.

by Kathrine at Jan 12, 2025, 05:35 AM

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3 days ago

I think RouterA will use 172.18.60.1 as the next hop address.

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5 days ago

I'm going with C. 172.18.50.1 just feels right, you know? Can't explain it, but my network ninja senses are tingling.

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11 days ago

Option B looks good to me. 172.18.60.1 seems like the most logical next hop address for 10.10.100.0/24.

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6 days ago

I think option B, 172.18.60.1, is the correct next hop address.

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