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Nokia Exam 4A0-105 Topic 2 Question 108 Discussion

Actual exam question for Nokia's 4A0-105 exam
Question #: 108
Topic #: 2
[All 4A0-105 Questions]

Click on the exhibit below.

Assume a CE router is connected to the SAP of each PE. The arp cache of all CE routers is empty and the FDB for VPLS 300 is empty. The CE router connected to PE-A initiates a ping towards the CE router connected to PE-C. The ping is successful. Which of the following statements are true? (Choose 2)

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Suggested Answer: A

by Mila at Mar 06, 2025, 01:57 PM

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Willard
2 months ago
PE-B's FDB is like the unpopular kid at the party - everyone else is having a good time, but it's just sitting in the corner, feeling lonely and forgotten.
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Karl
1 months ago
D) The FDB on PE-C will contain entries for the CE router connected to PE-A and the CE router connected to PE-C.
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Mabel
2 months ago
A) The FDB on PE-A will contain entries for all CE routers.
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Billy
2 months ago
B and D seem like the correct answers here. I'm glad they didn't ask about the CE routers' arp caches - that would've been a real head-scratcher!
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Fletcher
2 months ago
I'm picturing the PEs as a bunch of gossips, with PE-A and PE-C knowing all the juicy details about the CE routers, while poor PE-B is left out of the loop. Classic VPLS drama!
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Rosenda
2 months ago
Hmm, I guess the ping creates a MAC address learning process, but I'm not sure how that affects the FDBs on the other PEs. Time to review my VPLS notes!
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Werner
10 days ago
Tracey: So, the ping does affect the FDBs on the other PEs. Interesting!
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Felicia
11 days ago
User 3: I remember reading that the FDB on PE-C will have entries for both CE routers connected to PE-A and PE-C.
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Tracey
15 days ago
User 2: Yeah, that sounds right. I believe the FDB on PE-B will only have an entry for the CE router connected to PE-A.
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Emilio
19 days ago
User 1: I think the FDB on PE-A will have entries for all CE routers.
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Marica
2 months ago
I'm not sure about option C, but I think option D is true because the FDB on PE-C should have entries for both CE routers connected to PE-A and PE-C.
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Micah
2 months ago
I agree with you, Francesco. Option B might also be true because the FDB on PE-B should have an entry for the CE router connected to PE-A.
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Luz
2 months ago
A successful ping means the FDB on PE-A and PE-C will have entries for the CE routers involved, but PE-B's FDB will only have an entry for the CE router connected to PE-A.
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Desirae
1 months ago
D) The FDB on PE-C will contain entries for the CE router connected to PE-A and the CE router connected to PE-C.
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Quentin
2 months ago
A) The FDB on PE-A will contain entries for all CE routers.
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Francesco
3 months ago
I think option A is true because the FDB on PE-A should contain entries for all CE routers.
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