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Arista ACE-A1.2 Exam - Topic 1 Question 127 Discussion

What does LANZ do?
A) LANZ reports on microbursting events at extremely small intervals of time.
B) LANZ alters the flow of frames based on an interfaces high and low queue-thresholds.
C) LANZ is a form of QoS that allows for microsecond-levels of precision on interfaces that support it.
D) LANZ is the means whereby late packets can be analyzed. Data center switches sometimes suffer from a problem known as microbursting, wherein the buffers become overrun and drop packets. The problem is that these microbursts happen often at microsecond intervals, so the switches never report them. These prob lems can be horrific to diagnose, and even worse to try and explain to executives. That is, unless you have an Arista switch with latency analyzer (LANZ)

Arista ACE-A1.2 Exam - Topic 1 Question 127 Discussion

Actual exam question for Arista's ACE-A1.2 exam
Question #: 127
Topic #: 1
[All ACE-A1.2 Questions]

What does LANZ do?

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Suggested Answer: A

by Latanya at Jun 19, 2026, 01:45 PM

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Brittani
15 days ago
A is interesting too, but I feel C covers more. Microbursting is a big issue.
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Devon
20 days ago
I agree, C seems right. Microsecond-level precision is crucial.
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Phyliss
25 days ago
I think LANZ is about QoS. It helps with precision.
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Kimi
1 month ago
Yup, it alters frame flow based on queue thresholds!
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Lynna
1 month ago
I think it also analyzes late packets, right?
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Carry
1 month ago
Wait, is it really that precise? Sounds too good to be true.
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Benton
2 months ago
Totally agree, it's a lifesaver for diagnosing packet drops!
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Yolando
2 months ago
LANZ helps with microbursting issues.
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Felicidad
2 months ago
I practiced a question similar to this, and I think LANZ is definitely tied to QoS and precision, but I’m not confident about the exact details.
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Ariel
2 months ago
I feel like LANZ might be about analyzing late packets, but I also remember it having something to do with reporting microbursting events.
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Keith
2 months ago
I remember studying about microbursting and how LANZ helps with that, but I can't recall if it directly alters frame flow based on queue thresholds.
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Fausto
2 months ago
I think LANZ is related to QoS, but I'm not entirely sure if it specifically allows for microsecond precision.
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