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Cisco 350-401 Exam - Topic 20 Question 61 Discussion

Refer to the exhibit.Which two commands ensure that DSW1 becomes root bridge for VLAN 10? (Choose two)
C) DSW2(config)#spanning-tree vlan 10 priority 61440 Most Voted and D) DSW1(config)#spanning-tree vlan 10 port-priority 0
A) DSW1(config)#spanning-tree vlan 10 priority 4096 Most Voted
B) DSW1(config)#spanning-tree vlan 10 priority root
E) DSW2(config)#spanning-tree vlan 20 priority 0

Cisco 350-401 Exam - Topic 20 Question 61 Discussion

Actual exam question for Cisco's 350-401 exam
Question #: 61
Topic #: 20
[All 350-401 Questions]

Refer to the exhibit.

Which two commands ensure that DSW1 becomes root bridge for VLAN 10? (Choose two)

Show Suggested Answer Hide Answer
Suggested Answer: C, D

Ref: Scaling Networks v6 Companion Guide

''STP

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Extended System ID

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Bridge Priority

The bridge priority is a customizable value that can be used to influence which switch becomes the root bridge. The switch with the lowest priority, which implies the lowest BID, becomes the root bridge because a lower priority value takes precedence.

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The default priority value for all Cisco switches is the decimal value 32768. The range is 0 to 61440, in increments of 4096. Therefore, valid priority values are 0, 4096, 8192, 12288, 16384, 20480, 24576, 28672, 32768, 36864, 40960, 45056, 49152, 53248, 57344, and 61440. A bridge priority of 0 takes precedence over all other bridge priorities. All other values are rejected.


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Samuel
10 months ago
A and B are the right choices, no doubt about it!
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Alyssa
10 months ago
C is definitely wrong, it’s for VLAN 20, not 10.
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Cyril
10 months ago
Wait, can you really set priority to "root"? Sounds odd.
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Reuben
11 months ago
Totally agree, D is not relevant for root bridge.
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Chi
11 months ago
A is correct, setting priority to 4096 is key.
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Alita
11 months ago
I’m a bit confused about the port-priority command. Does that even affect the root bridge selection? I thought it was just for traffic management.
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Rory
11 months ago
I practiced a similar question, and I remember that the lower the priority, the better. So, I think A is definitely one of the answers.
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Iluminada
11 months ago
I think the command for setting the priority is correct, but I can't recall if I need to do something on DSW2 as well.
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Buddy
11 months ago
I remember that to make a switch the root bridge, you need to lower its priority, but I'm not sure if 4096 is low enough.
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Portia
11 months ago
I've got it! The 'Identify' process is all about understanding the problem and the needs, so I think the correct answer here is A - refining the vision statement.
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Tracie
11 months ago
I've worked with Oracle VM before, so I'm confident I can figure out the correct default mount location for these repositories.
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Harrison
11 months ago
I think we studied some loop detection configurations, but I can't remember which specific command we need to use for ACI.
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Olive
11 months ago
Hmm, this looks tricky. I'll need to think carefully about the implications of each command.
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Lajuana
11 months ago
Hmm, I'm not entirely sure about this one. I'll need to re-read the question carefully and think it through.
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