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

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?
C) Segments defined by a Node-SID and segments defined by an Adjacency-SID.
A) Only segments defined by a Node-SID.
B) Only segments defined by an Adjacency-SID.
D) No segments, unless segment-routing fast-reroute is also explicitly enabled.

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

Actual exam question for Nokia's 4A0-116 exam
Question #: 4
Topic #: 9
[All 4A0-116 Questions]

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?

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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
8 months ago
D makes sense too, if fast-reroute isn't enabled, no segments get protected.
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Man
9 months ago
Wait, are you sure about that? I thought it was just for Adjacency-SID.
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Nan
9 months ago
Totally agree with C! Fast reroute needs both types.
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Lai
9 months ago
I think it's A, only Node-SID segments.
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Douglass
9 months ago
C is the right answer! Both Node-SID and Adjacency-SID segments get backup paths.
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Weldon
9 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
9 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
9 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
10 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
10 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
10 months ago
This one seems pretty straightforward. I'm pretty confident the answer is iOS and Microsoft Windows.
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Carri
10 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
10 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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