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

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
A) If al protocol preferences are default, which route will be installed in the route table? and A) The route learned via IS-IS will be installed.
B) The route learned via the OSPF type 5 LSA will be installed.
C) Both routes will be installed, if ECMP is enabled.
D) Both routes will be installed, regardless of whether ECMP is enabled.

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

Actual exam question for Nokia's 4A0-113 exam
Question #: 101
Topic #: 11
[All 4A0-113 Questions]

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

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Suggested Answer: A, A

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

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Eun
9 months ago
I think it's A, but I’m not 100% on that.
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Ronny
9 months ago
Wait, are you sure about that? I thought OSPF was more reliable.
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Margurite
9 months ago
Totally agree, IS-IS route should be the one.
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Maile
9 months ago
Both routes? Nah, only one gets installed by default.
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Gladys
9 months ago
IS-IS has a higher default preference than OSPF.
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Leonora
10 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
10 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
10 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
10 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
10 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
11 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
11 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
11 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
11 months ago
I believe both routes will be installed regardless of ECMP, so option D.
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Aleshia
11 months ago
But what if ECMP is enabled? Both routes could be installed then.
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Carolann
1 year ago
I agree with Merilyn, the IS-IS route should have higher preference.
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Alfred
1 year 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
1 year ago
I think the route learned via IS-IS will be installed.
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Arthur
1 year 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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Cristal
1 year ago
Hmm, I'm not sure. I think both routes will be installed if ECMP is enabled, but I'm not 100% confident on that.
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Sunshine
11 months ago
I believe the route learned via IS-IS will be installed.
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Ammie
1 year ago
Wait, isn't OSPF type 5 an external route? I think the OSPF route will be installed if the protocol preferences are default.
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Billy
1 year ago
The IS-IS route will be installed, right? I thought internal routes took precedence over external routes.
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