Discuss Nokia 4A0-100 Exam Topic 8 Question 125

Which of the following statements about IP route summarization is FALSE?

AIt divides a customer IP address pool into smaller portions, each of which is assigned to a different subnet.

BIt reduces the size of the routers' forwarding tables.

CIt improves scalability of the network.

DIt increases routing advertisement stability.

Suggested Answer: A

Route summarization (a.k.a. supernetting) is the process of combining multiple contiguous subnets into a single summarized route, which:

Reduces routing table entries

Enhances scalability and efficiency

Minimizes instability by localizing route changes

Option A is false because it describes subnetting, not summarization. Summarization works in the opposite direction -- combining smaller routes into a larger one.

Nokia IP Routing Guide -- Chapter: ''Route Summarization Techniques''

Cisco CCNA -- IP Routing Concepts

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26 comments · newest first

Lynelle 2 days ago

I think option A is false. It doesn't divide the pool.

Phillip 7 days ago

I feel confident about B and C being correct.

Heike 12 days ago

Yeah, A doesn’t fit the summarization concept.

Elza 18 days ago

I’m leaning towards A being the false one. Makes sense.

Javier 23 days ago

D is tricky, but I feel it's true too. Stability is key.

Mitsue 28 days ago

C is also true. Scalability improves with summarization.

Fausto 1 month ago

B is definitely true. It helps reduce table size.

Merilyn 1 month ago

Agreed, A seems off. Summarization is about combining.

Dierdre 1 month ago

I think A is false. It doesn't divide the pool.

Delisa 2 months ago

Good points! A is definitely the odd one out here.

Garry 2 months ago

I’m leaning towards A as well. It confuses the purpose of summarization.

Gerry 2 months ago

Exactly, A just doesn’t fit the concept of summarization.

Lucina 2 months ago

True, but it’s not always the case. A is definitely the clearer false statement.

Delisa 2 months ago

But D makes sense in a way. Less routes can mean more stability.

Garry 2 months ago

I feel like D could be misleading too. Stability isn't guaranteed.

Gerry 3 months ago

I agree, A seems off. Summarization is about combining, not dividing.

Lucina 3 months ago

I think option A is false. It doesn't divide the pool.

Irma 3 months ago

I’m not so sure about D. Can it really increase stability?

Eliz 3 months ago

Wait, I thought summarization could divide address pools?

Lucy 3 months ago

B, C, and D are all true, so A is the odd one out.

Angelica 4 months ago

I agree, A doesn't make sense in this context.

Dierdre 4 months ago

A is definitely false. Summarization doesn't divide address pools.

Dorcas 4 months ago

I vaguely recall that summarization is supposed to improve scalability, so maybe option C is the one that’s false?

Keneth 5 months ago

I'm not entirely sure, but I feel like option D might be the false one since summarization can sometimes lead to instability in certain scenarios.

Kenny 6 months ago

I remember practicing a question about summarization benefits, and I think it definitely helps with reducing forwarding table size.

Kristofer 6 months ago

I think option A sounds a bit off because summarization usually combines routes rather than dividing them.

Nokia 4A0-100 Exam - Topic 8 Question 125 Discussion