Nokia Exam 4A0-112 Topic 3 Question 7 Discussion

Actual exam question for Nokia's 4A0-112 exam

Question #: 7
Topic #: 3

[All 4A0-112 Questions]

Which of the following statements about the IP forwarding process on a router is TRUE?

AIt uses the routing table to find a match for the source IP address.

BIt uses the routing table to find a match for the destination IP address.

CIt uses the ARP table to find a match for the source MAC address.

DIt uses the ARP table to find a match for the destination MAC address.

Show Suggested Answer

Suggested Answer: B

During the IP forwarding process, routers use the routing table to determine the next hop based on the destination IP address. The source IP address is not directly involved in the lookup process for forwarding.

The ARP table is used to map IP addresses to MAC addresses, specifically for resolving the MAC address of the next hop (destination MAC address) for forwarding packets within the local network.

by Maurine at Feb 11, 2025, 08:31 PM

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Holley

14 days ago

I'm glad they don't use the ARP table to find the source MAC address. That would be like looking for your car keys in the refrigerator.

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Bok

17 days ago

Wait, you mean routers don't just flip a coin to decide where to send the packets? I thought that's how it worked!

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Nikita

18 days ago

Option D is the way to go. The router uses the ARP table to find the destination MAC address, not the source MAC address.

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Mari

8 days ago

B) It uses the routing table to find a match for the destination IP address.

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Kirby

24 days ago

I was a bit confused by the question, but now I understand. Option B is the way to go.

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Yolande

16 days ago

Yes, that's right. The IP forwarding process on a router uses the routing table to determine where to send packets based on the destination IP address.

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Jolanda

18 days ago

I agree, option B is correct. The router uses the routing table to find a match for the destination IP address.

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Leslie

1 months ago

Actually, I believe the correct answer is A) It uses the routing table to find a match for the source IP address. That's how the router knows where the packet came from.

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Gladys

1 months ago

I agree with Beckie. The IP forwarding process on a router involves looking up the destination IP address in the routing table to determine the next hop.

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