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Juniper Exam JN0-351 Topic 7 Question 31 Discussion

Actual exam question for Juniper's JN0-351 exam
Question #: 31
Topic #: 7
[All JN0-351 Questions]

What is a purpose of using a spanning tree protocol?

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Suggested Answer: B

A broadcast storm is a network condition where a large number of broadcast packets are sent and received by multiple devices, causing congestion and performance degradation1.A broadcast storm can occur when there are loops in the network topology, meaning that there are multiple paths between two devices2.

A spanning tree protocol is a network protocol that prevents loops from being formed when switches or bridges are interconnected via multiple paths.It does this by creating a logical tree structure that spans all the devices in the network, and disabling or blocking the links that are not part of the tree, leaving a single active path between any two devices3.

By eliminating loops, a spanning tree protocol also eliminates broadcast storms, as broadcast packets will not be forwarded endlessly along the looped paths.Instead, broadcast packets will be sent only along the tree structure, reaching each device once and avoiding congestion3.


by Samira at Sep 18, 2024, 08:24 PM

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Beckie
1 months ago
C) to route IP packets? Nah, that's what routing protocols are for. Spanning tree is all about keeping that Ethernet network loop-free.
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Temeka
1 months ago
I believe it also helps in creating a loop-free topology in a network.
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Kasandra
1 months ago
D) to tunnel Ethernet frames? That's a good one! I bet the person who came up with that option was feeling a little 'out there' that day.
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Alyce
C) to look up MAC addresses
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Shawnna
5 days ago
B) to route IP packets
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Lanie
10 days ago
A) to eliminate broadcast storms
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Lacresha
1 months ago
Hmm, I think it's A) to look up MAC addresses. Isn't that what the spanning tree table is used for?
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Sonia
4 days ago
Oh, I see. Thanks for clarifying!
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Olga
10 days ago
Actually, it's B) to eliminate broadcast storms.
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Jody
15 days ago
No, I'm pretty sure it's A) to look up MAC addresses.
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Timmy
1 months ago
I think it's B) to eliminate broadcast storms.
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Tamra
1 months ago
I agree with Ira, using a spanning tree protocol helps prevent broadcast storms.
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Dannie
2 months ago
B) to eliminate broadcast storms, for sure! That's what spanning tree is all about, right?
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Susana
16 days ago
B) Yes, that's right. It's important for network stability and efficiency.
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Henriette
17 days ago
C) It also helps in creating a loop-free topology by blocking redundant paths.
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Stefania
20 days ago
A) to eliminate broadcast storms
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Gary
25 days ago
B) Yes, that's correct. Spanning tree protocol helps prevent loops in a network to avoid broadcast storms.
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Erick
2 months ago
A) to eliminate broadcast storms
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Ira
2 months ago
I think the purpose is to eliminate broadcast storms.
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