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Nokia 4A0-102 Exam - Topic 5 Question 45 Discussion

Actual exam question for Nokia's 4A0-102 exam

Question #: 45
Topic #: 5

[All 4A0-102 Questions]

When an Alcatel-Lucent 7750 SR receives a BGP route with an AS Path loop, what action is taken by default?

AThe route is ignored.

BThe route is flagged as invalid and placed in the LOC-RIB.

CThe route is flagged as invalid and placed in the RIB-In.

DThe route is flagged as invalid and placed in the RIB-Out.

Show Suggested Answer

Suggested Answer: C

by Marti at Oct 22, 2023, 11:40 AM

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Nilsa

6 months ago

I thought it went to the LOC-RIB, but I guess not!

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Verdell

7 months ago

Nope, it's definitely ignored.

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Darci

7 months ago

Wait, are you sure? I thought it was flagged as invalid.

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Mirta

7 months ago

Totally agree, that's how BGP handles loops.

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Solange

7 months ago

The route is ignored by default.

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Cheryl

7 months ago

I’m leaning towards option B, where the route is flagged as invalid and goes to LOC-RIB. That sounds familiar from my notes.

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Solange

8 months ago

I practiced a similar question, and I think it was about invalid routes being placed in the RIB-In. So maybe option C?

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Anisha

8 months ago

I remember something about AS Path loops being flagged as invalid, but I can’t recall if it goes to LOC-RIB or RIB-In.

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Buddy

8 months ago

I think the default action is to ignore the route, but I’m not completely sure. It might be option A?

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Tyra

8 months ago

The question seems straightforward, but I want to double-check the documentation to make sure I'm not missing any nuances. I'll go with B for now.

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Alline

8 months ago

Based on my understanding, the correct answer is B. The route should be flagged as invalid and placed in the LOC-RIB.

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Dorathy

8 months ago

Hmm, I'm not entirely sure about this one. I'll need to review the BGP behavior on the 7750 SR again to be confident in my answer.

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Sue

8 months ago

I think the answer is A. The Alcatel-Lucent 7750 SR should ignore the BGP route with an AS Path loop by default.

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Glennis

8 months ago

This question is a bit tricky, as the options seem quite similar. I'll need to carefully consider each one to determine which one best captures the primary purpose of a QA program.

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Devorah

8 months ago

This seems straightforward. Since it's asking about updating the trial version, the serial number entry would most likely be in the Software Evaluation Status window, so I'm going to go with option B.

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Luis

8 months ago

Hmm, I'm not entirely sure about this one. I know the underwriter has to look at things like the level of benefits and the group size, but I'm not positive if geographic location is also a factor. I'll have to think this through carefully.

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Myra

8 months ago

This question seems straightforward. I'll focus on the key factors that contribute to erosion and eliminate the ones that don't.

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Buck

1 year ago

Is it just me, or does this question feel like a trap? I bet the correct answer is something really unexpected, like the route gets sent to the router's kitchen for a timeout session.

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Sharee

12 months ago

C) The route is flagged as invalid and placed in the RIB-In.

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Christiane

12 months ago

B) The route is flagged as invalid and placed in the LOC-RIB.

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Alberta

1 year ago

A) The route is ignored.

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Quentin

1 year ago

Wait, wait, wait... I think it's placed in the LOC-RIB, not the RIB-In. Gotta keep those routing tables clean!

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Earnestine

12 months ago

User 4: Let's double-check the documentation to be sure.

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Candida

1 year ago

User 3: I'm pretty sure it's ignored altogether.

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Art

1 year ago

User 2: No, I think it's actually placed in the RIB-In.

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Bobbie

1 year ago

User 1: I believe the route is flagged as invalid and placed in the LOC-RIB.

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Venita

1 year ago

I'm pretty sure the route gets flagged as invalid and placed in the RIB-In. That's the standard behavior, isn't it?

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Chuck

1 year ago

Okay, let's think this through. The route should be ignored, because we don't want to propagate that invalid route, right?

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Trevor

1 year ago

I agree with Xuan, because the AS Path loop indicates a routing issue.

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Xuan

1 year ago

I believe the route is flagged as invalid and placed in the LOC-RIB.

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Karan

1 year ago

I think the route is ignored.

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Leonida

1 year ago

Hmm, an AS Path loop? Gotta love those routing loops, they really keep us network engineers on our toes!

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Milly

1 year ago

B) The route is flagged as invalid and placed in the LOC-RIB.

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Cristy

1 year ago

A) The route is ignored.

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Sherita

1 year ago

B) The route is flagged as invalid and placed in the LOC-RIB.

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Emerson

1 year ago

A) The route is ignored.

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