Nokia 4A0-116 Exam - Topic 9 Question 4 Discussion

Actual exam question for Nokia's 4A0-116 exam

Question #: 4
Topic #: 9

Loopfree-alternate has been enabled on a router for its link-state routing protocol. For which types of segments will the router attempt to find a backup path, so that they become protected by fast re-route?

AOnly segments defined by a Node-SID.

BOnly segments defined by an Adjacency-SID.

CSegments defined by a Node-SID and segments defined by an Adjacency-SID.

DNo segments, unless segment-routing fast-reroute is also explicitly enabled.

Show Suggested Answer

Suggested Answer: C

Loopfree-alternate is a mechanism that enables fast re-route for link-state routing protocols, it allows the router to find a backup path for both Node-SID and Adjacency-SID segments, so that they become protected by fast re-route.

by Hillary at Feb 03, 2023, 05:05 AM

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Cory

4 months ago

D makes sense too, if fast-reroute isn't enabled, no segments get protected.

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Man

4 months ago

Wait, are you sure about that? I thought it was just for Adjacency-SID.

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Nan

4 months ago

Totally agree with C! Fast reroute needs both types.

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Lai

4 months ago

I think it's A, only Node-SID segments.

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Douglass

4 months ago

C is the right answer! Both Node-SID and Adjacency-SID segments get backup paths.

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Weldon

5 months ago

I’m a bit confused about the role of segment-routing fast-reroute in this context. Could it mean that no segments are protected unless it's enabled? Maybe option D is worth considering.

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Helene

5 months ago

If I recall correctly, Loopfree-alternate should cover both types of segments, so I’m thinking option C is the right choice.

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Jacqueline

5 months ago

I think I saw a practice question that mentioned only Adjacency-SID segments being protected. I might lean towards option B, but I'm not completely confident.

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Benedict

5 months ago

I remember studying that Loopfree-alternate is supposed to provide backup paths, but I'm not sure if it applies to both Node-SID and Adjacency-SID segments.

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Val

5 months ago

This is a good example of why it's important to carefully read the question and understand the metrics being compared. I'll make sure to take my time and not rush through this.

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Keva

5 months ago

This one seems pretty straightforward. I'm pretty confident the answer is iOS and Microsoft Windows.

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Carri

5 months ago

The way I see it, the internal audit team should still review outsourced processes as part of the overall control environment. That's the best way to maintain independence and oversight.

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Virgie

5 months ago

The key here is understanding how Cisco TrustSec provides secure communication. I'm leaning towards option A, but I'll double-check my notes to be sure.

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