Nokia 4A0-113 Exam - Topic 11 Question 101 Discussion

Actual exam question for Nokia's 4A0-113 exam

Question #: 101
Topic #: 11

An Nokia 7750 SR receives a route via an IS-IS LSP with internal reach ability, and receives the same route via an OSPF type 5 LS

AIf al protocol preferences are default, which route will be installed in the route table?

AThe route learned via IS-IS will be installed.

BThe route learned via the OSPF type 5 LSA will be installed.

CBoth routes will be installed, if ECMP is enabled.

DBoth routes will be installed, regardless of whether ECMP is enabled.

Show Suggested Answer

Suggested Answer: A, A

by Viola at Aug 02, 2025, 10:40 PM

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Eun

2 months ago

I think it's A, but I’m not 100% on that.

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Ronny

2 months ago

Wait, are you sure about that? I thought OSPF was more reliable.

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Margurite

3 months ago

Totally agree, IS-IS route should be the one.

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Maile

3 months ago

Both routes? Nah, only one gets installed by default.

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Gladys

3 months ago

IS-IS has a higher default preference than OSPF.

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Leonora

3 months ago

I recall something about route preference, but I can't remember if it was about ECMP or just the default settings. This is tricky!

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Dean

4 months ago

I practiced a similar question, and I think it was about ECMP. If both routes are valid, maybe they could both be installed?

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Donte

4 months ago

I'm not entirely sure, but I feel like OSPF routes are usually preferred unless something else is at play.

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Val

4 months ago

I think I remember that IS-IS has a higher default administrative distance than OSPF, so maybe the IS-IS route would be preferred.

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Sue

4 months ago

Wait, I'm confused. Does ECMP come into play here? I thought both routes would be installed if ECMP was enabled, but I'm not sure. I'll have to review the protocol details.

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Suzi

4 months ago

Okay, I've got this. The IS-IS route will be installed since it has internal reachability, which takes precedence over the OSPF type 5 LSA. Easy peasy!

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Amie

4 months ago

Hmm, I'm a bit unsure about this. I know IS-IS and OSPF have different preferences, but I can't recall which one takes priority. I'll have to think this through carefully.

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Jonell

5 months ago

This is a tricky one, but I think I can figure it out. I'll need to remember the protocol preferences and how ECMP works.

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Lon

5 months ago

I believe both routes will be installed regardless of ECMP, so option D.

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Aleshia

5 months ago

But what if ECMP is enabled? Both routes could be installed then.

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Carolann

6 months ago

I agree with Merilyn, the IS-IS route should have higher preference.

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Alfred

6 months ago

Ooh, this one's tricky. I'm gonna go with 'C' - both routes will be installed if ECMP is enabled. Gotta love those redundant routing protocols!

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Merilyn

7 months ago

I think the route learned via IS-IS will be installed.

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Arthur

7 months ago

Ha! I bet the answer is 'D' - both routes will be installed regardless of ECMP. Why make things simple when you can make them complicated, am I right?

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