HPE7-A01 Exam - Topic 2 Question 39 Discussion

Actual exam question for HP's HPE7-A01 exam

Question #: 39
Topic #: 2

[All HPE7-A01 Questions]

What are two advantages of splitting a larger OSPF area into a number of smaller areas? (Select two )

AIt extends the LSDB

BIt increases stability

Cit simplifies the configuration.

DIt reduces processing overhead.

EIt reduces the total number of LSAs

Show Suggested Answer

Suggested Answer: B, D

Splitting a larger OSPF area into a number of smaller areas has several advantages for network scalability and performance. Some of these advantages are:

It increases stability by limiting the impact of topology changes within an area. When a link or router fails in an area, only routers within that area need to run the SPF algorithm and update their routing tables. Routers in other areas are not affected by the change and do not need to recalculate their routes.

It reduces processing overhead by reducing the size and frequency of link-state advertisements (LSAs). LSAs are packets that contain information about the network topology and are flooded within an area. By dividing a network into smaller areas, each area has fewer LSAs to generate, store, and process, which saves CPU and memory resources on routers.

It reduces bandwidth consumption by reducing the amount of routing information exchanged between areas. Routers that connect different areas, called area border routers (ABRs), summarize the routing information from one area into a single LSA and advertise it to another area. This reduces the number of LSAs that need to be transmitted across area boundaries and saves network bandwidth.

by Coral at Mar 19, 2025, 07:27 PM

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Leanora

4 months ago

It definitely reduces the total number of LSAs!

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Billye

4 months ago

I thought it would complicate things more.

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Marjory

4 months ago

Wait, does splitting really simplify the config?

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Olive

5 months ago

Totally agree, reduces processing overhead too.

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Sherita

5 months ago

It increases stability for sure!

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Maile

5 months ago

Reducing the total number of LSAs sounds right, but I need to double-check if that’s directly related to splitting areas.

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Nana

5 months ago

I feel like simplifying configuration might be an option, but I can't recall if that's really a benefit of smaller areas.

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Sonia

6 months ago

I remember practicing a question like this! I think reducing processing overhead is one of the advantages.

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Cornell

6 months ago

I think splitting areas can definitely increase stability, but I'm not sure about the LSDB part.

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Nickie

6 months ago

Reducing processing overhead and simplifying the configuration seem like the key advantages here. Splitting areas can help manage the complexity of large OSPF networks, which is important for maintaining reliable connectivity.

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Evan

6 months ago

Okay, let's think this through step-by-step. Splitting a larger OSPF area into smaller areas should reduce the size of the LSDB, simplify the configuration, and improve overall network stability. I'll make sure to select the two most relevant options.

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Mary

6 months ago

Hmm, I'm a bit confused on this one. I know OSPF areas have something to do with network topology, but I'm not sure about the specific advantages of splitting them. I'll have to review my notes carefully.

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Gussie

6 months ago

This is a straightforward OSPF question. I'll focus on the key advantages of splitting a larger area into smaller areas, like reducing processing overhead and increasing stability.

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