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Nokia 4A0-C02 Exam - Topic 1 Question 110 Discussion

How does the IEEE 802.1ag loopback function differently from the loopback feature in 802.3ah? (Choose 2)
B) The loopback function of 802.lag is a non-intrusive 'ping' sent from a MEP to a remote MEP or MIP. and C) The loopback function in 802.3ah is an intrusive test that will loop customer data.
A) Theloopbackfuntionin802.1ag is an intrusive test that will stop customer data.
D) The loopback function of 802.lag is an intrusive test that will 'loop' all customer data back to the original sender.

Nokia 4A0-C02 Exam - Topic 1 Question 110 Discussion

Actual exam question for Nokia's 4A0-C02 exam
Question #: 110
Topic #: 1
[All 4A0-C02 Questions]

How does the IEEE 802.1ag loopback function differently from the loopback feature in 802.3ah? (Choose 2)

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Suggested Answer: B, C

by Asuncion at May 01, 2025, 11:54 PM

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Wynell
6 months ago
I thought 802.3ah was non-intrusive too, am I missing something?
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King
6 months ago
Totally agree, B is the way to go for non-intrusive testing!
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Francisca
6 months ago
C is spot on, it loops customer data for testing.
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Carmen
6 months ago
Wait, isn't D just a rephrasing of A? Seems off.
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Dorethea
6 months ago
A is correct, it does stop customer data.
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Maira
7 months ago
I feel like 802.3ah does loop customer data back, but I can't remember if it's considered intrusive or not.
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Joesph
7 months ago
I practiced a question similar to this, and I recall that 802.1ag uses MEPs for non-intrusive testing, which is different from 802.3ah.
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King
7 months ago
I think 802.3ah is the one that can disrupt customer data, but I might be mixing it up with 802.1ag.
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Melissa
7 months ago
I remember that 802.1ag is more about end-to-end connectivity, but I'm not sure how it compares to 802.3ah in terms of intrusiveness.
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Pansy
7 months ago
I'm a bit confused about the difference between "intrusive" and "non-intrusive" in this context. I'll need to review those concepts before I can answer this question.
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Micah
8 months ago
The 802.1ag loopback doesn't stop customer data, but the 802.3ah one does. I'm pretty confident about that distinction.
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Annita
8 months ago
Okay, let's see. The 802.1ag loopback is a non-intrusive ping, while the 802.3ah loopback is an intrusive test that loops customer data. I think I've got it.
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Pearlene
8 months ago
This question seems straightforward, but I want to make sure I understand the differences between the two loopback functions before answering.
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Howard
12 months ago
Hmm, let me think... Ah, got it! The 802.1ag loopback is a non-intrusive ping, while the 802.3ah one actually loops the customer data. B and C are the winners!
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Beckie
11 months ago
So, B and C are the correct answers then. Good job on figuring that out!
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Herschel
11 months ago
Yeah, the 802.3ah loopback actually loops the customer data, that's a big difference.
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Tayna
12 months ago
I agree, the 802.1ag loopback is just a ping, not intrusive like the 802.3ah one.
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Tijuana
1 year ago
This question is making my head spin like an 802.3ah loopback! But I think B and C are the right choices.
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Lelia
12 months ago
I think you're right, those options make the most sense.
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Shawnee
12 months ago
I agree, B and C seem like the correct choices.
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Ivette
1 year ago
B and C are the way to go. The 802.1ag loopback is a ping-like test, while the 802.3ah one is an intrusive loop of the actual traffic.
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Luis
11 months ago
Exactly, it's important to understand the differences in loopback functions.
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Vallie
11 months ago
So, 802.1ag is more like a diagnostic tool while 802.3ah is more disruptive.
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Twana
12 months ago
Yes, C is the intrusive test that loops customer data in 802.3ah.
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Marylyn
12 months ago
I agree, B is a non-intrusive 'ping' test in 802.1ag.
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Dan
1 year ago
Yes, it will loop customer data.
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Whitley
1 year ago
But the loopback function in 802.3ah is intrusive, right?
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Cristen
1 year ago
I agree, it's like a 'ping' test.
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Magdalene
1 year ago
A and C seem to be the correct answers. The 802.1ag loopback tests customer traffic, while the 802.3ah loopback actually loops the customer data back.
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Lemuel
1 year ago
C) The loopback function in 802.3ah is an intrusive test that will loop customer data.
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Patrick
1 year ago
A) Theloopbackfuntionin802.1ag is an intrusive test that will stop customer data.
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Dan
1 year ago
I think the loopback function in 802.1ag is non-intrusive.
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