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Nokia 4A0-D01 Exam - Topic 3 Question 22 Discussion

Actual exam question for Nokia's 4A0-D01 exam

Question #: 22
Topic #: 3

[All 4A0-D01 Questions]

Which of the following is NOT one of the reasons why BGP is used as the routing protocol in the data center?

AIt is more efficient than link-state protocols like IS-IS and OSPF.

BBGP neighbors automatically discover each other.

CIt is a well understood and mature routing protocol.

DIt supports both IPv4 and IPv6.

Show Suggested Answer

Suggested Answer: A

BGP is not chosen because it is more efficient than link-state protocols; in fact, link-state protocols like IS-IS and OSPF generally provide faster convergence and more efficient route calculation. BGP is used in data centers mainly because it is mature, well understood, supports both IPv4 and IPv6, and offers flexible policy control.

by Staci at Jun 30, 2026, 12:00 PM

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Leonor

17 hours ago

I feel like C is a strong contender too. Mature doesn’t mean it’s always efficient.

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Onita

6 days ago

Agreed, B makes sense. It’s manual configuration mostly.

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Daisy

11 days ago

I think B is the answer. Neighbors don’t auto-discover in BGP.

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Deangelo

16 days ago

Definitely B. BGP is complex, not auto-discovering.

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Genevieve

21 days ago

I’m leaning towards B too. It’s not efficient like others.

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King

27 days ago

Right! A, C, and D are valid reasons. B is the odd one out.

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Lavonda

1 month ago

I feel like B is misleading. It’s not a reason for BGP use.

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Junita

1 month ago

Agreed! BGP needs manual configuration for neighbors.

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Chantell

1 month ago

I think B is the answer. Neighbors don’t auto-discover.

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Susy

2 months ago

I thought BGP was just for IPv4, but it supports IPv6 too!

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Cherelle

2 months ago

BGP is mature, but it has its quirks.

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Blair

2 months ago

Wait, BGP neighbors don't automatically discover each other? That's surprising!

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Arlette

2 months ago

Totally agree, BGP has its strengths but efficiency isn't one of them.

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Ronald

2 months ago

BGP is definitely not more efficient than link-state protocols.

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Yuriko

2 months ago

I’m confused about D because I know BGP supports both IPv4 and IPv6, but I can’t recall if that’s a reason it’s used in data centers.

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Rosendo

3 months ago

I think I saw a practice question that mentioned BGP's maturity as a strength, so C seems like a safe choice to rule out.

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Lemuel

3 months ago

I’m not entirely sure, but I feel like BGP neighbors do require some manual configuration, so maybe B is the one that doesn’t fit.

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Brock

3 months ago

I remember studying that BGP is actually less efficient than link-state protocols, so I think A might be the answer.

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