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Cisco 700-821 Exam - Topic 4 Question 39 Discussion

How are the power inputs labeled A and B of IE3400 used?
C) It can only wire one of the power inputs.
A) Both inputs are connected, and the power budget is the sum of both power inputs.
B) Both inputs are connected: only one is active, and the other is on standby.
D) Both inputs are connected and used to daisy chain to power another switch.

Cisco 700-821 Exam - Topic 4 Question 39 Discussion

Actual exam question for Cisco's 700-821 exam
Question #: 39
Topic #: 4
[All 700-821 Questions]

How are the power inputs labeled A and B of IE3400 used?

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Suggested Answer: C

by Dalene at Feb 12, 2025, 03:36 PM

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Serina
9 months ago
C seems too limiting, I don't buy that one.
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Cristal
9 months ago
I heard it's D for daisy chaining, but I'm not convinced.
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Alecia
10 months ago
Wait, are you sure? I thought it was B, only one active at a time.
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Stephaine
10 months ago
Totally agree with A, makes the most sense!
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Fausto
10 months ago
I think it's A, both inputs combined for power budget.
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Arthur
10 months ago
I thought we could only wire one of the power inputs, but now I'm second-guessing myself after reviewing the options.
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Denny
11 months ago
I’m leaning towards the idea that both inputs are used to daisy chain to another device, but I can't recall the specifics.
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Alyce
11 months ago
I feel like we practiced a question similar to this, and it was about one input being active while the other was on standby.
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Gary
11 months ago
I think I remember that both inputs can be connected, but I'm not sure if it's the sum of the power or just one active at a time.
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Gearldine
11 months ago
Hmm, I'm a bit unsure about this one. I'll need to review the documentation to make sure I select the right answer.
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Joseph
11 months ago
This looks like a question I can answer confidently. The power inputs are used to sum the power budget, right?
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Shenika
11 months ago
Okay, let me think this through. I believe the power inputs are used to provide redundancy, but I'm not 100% sure.
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Frankie
11 months ago
The question seems straightforward, but I want to make sure I understand the specifics of how the power inputs are used.
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Annmarie
11 months ago
I think I know how the power inputs work, but I want to double-check the details before answering.
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Lenna
1 year ago
I bet the engineers who designed this switch were having a heated debate. 'Let's give it two power inputs, that'll be fancy!' 'But what if someone tries to use them both at once? Chaos!'
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Zona
1 year ago
C) It can only wire one of the power inputs.
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Brande
1 year ago
B) Both inputs are connected: only one is active, and the other is on standby.
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Corrinne
1 year ago
A) Both inputs are connected, and the power budget is the sum of both power inputs.
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Renay
1 year ago
C sounds like the most boring option. Where's the fun in only being able to use one input?
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Isadora
1 year ago
A has to be wrong, there's no way the power budget is just the sum of both inputs. That would be too easy!
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Fausto
1 year ago
I think B makes more sense, having one active and one on standby.
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Kristin
1 year ago
C) It can only wire one of the power inputs.
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Daniel
1 year ago
B) Both inputs are connected: only one is active, and the other is on standby.
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Lelia
1 year ago
I was going to say D, but that doesn't sound right. Daisy-chaining power inputs? That seems like a weird design choice.
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Eve
1 year ago
Yeah, daisy-chaining power inputs does seem like an odd choice. A seems like the safer bet.
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Mitzie
1 year ago
I was also considering D, but now I see why A makes more sense.
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Pansy
1 year ago
I agree, A sounds like the most logical choice.
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Octavio
1 year ago
I think the correct answer is A. Both inputs are connected, and the power budget is the sum of both power inputs.
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Diane
1 year ago
I think the correct answer is B. That's the only one that makes sense - using one input as primary and the other as backup.
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Carolynn
1 year ago
Yes, you're right. That's how the power inputs labeled A and B of IE3400 are used.
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Justine
1 year ago
I think the correct answer is B. That's the only one that makes sense - using one input as primary and the other as backup.
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Marilynn
1 year ago
I heard that both inputs can be used to daisy chain to power another switch.
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Davida
1 year ago
I believe only one input is active while the other is on standby.
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Ricki
1 year ago
I think the power inputs A and B are connected together.
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