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Arista ACE-A1.2 Exam - Topic 3 Question 126 Discussion

What happens to all of the Ethernet interfaces on an Arista switch when you enable Tap Aggregation mode exclusive?
C) They all become err-disabled.
A) They all become up/up regardless of physical link detection.
B) All the link lights turn green.
D) All the link lights start blinking at five blinks per second.

Arista ACE-A1.2 Exam - Topic 3 Question 126 Discussion

Actual exam question for Arista's ACE-A1.2 exam
Question #: 126
Topic #: 3
[All ACE-A1.2 Questions]

What happens to all of the Ethernet interfaces on an Arista switch when you enable Tap Aggregation mode exclusive?

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Suggested Answer: C

by Vanesa at May 30, 2026, 09:05 PM

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Valene
5 days ago
C is wrong. They won’t go err-disabled in this mode.
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Graham
10 days ago
A is definitely the right choice. It’s about functionality.
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Marjory
15 days ago
B sounds tempting, but I lean towards A.
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Pamella
20 days ago
I agree, A makes sense. Physical detection doesn't matter.
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Penney
25 days ago
I think it's A. They all become up/up.
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Sherrell
1 month ago
C is a possibility, but I think A is more accurate.
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Kirby
1 month ago
B is definitely wrong, link lights don't just turn green like that.
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Yuette
1 month ago
Wait, really? I thought they would just stay down if the links were bad.
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Nelida
2 months ago
Totally agree, that's how Tap Aggregation works!
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Felicia
2 months ago
A) They all become up/up regardless of physical link detection.
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Kenneth
2 months ago
I vaguely recall something about link lights blinking, but five blinks per second sounds a bit off. I need to double-check that.
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Ben
2 months ago
I’m pretty confident that when Tap Aggregation is enabled, all the link lights turn green, but I might be mixing it up with another setting.
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Melodie
2 months ago
I remember a practice question about link states, and I think it was similar to this one. Could it be that they all become err-disabled?
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Nicholle
2 months ago
I think enabling Tap Aggregation mode makes all interfaces up/up, but I'm not completely sure if that's regardless of physical link detection.
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