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HP Exam HPE7-A07 Topic 3 Question 25 Discussion

Actual exam question for HP's HPE7-A07 exam
Question #: 25
Topic #: 3
[All HPE7-A07 Questions]

An ACME company employee complained about a recent poor-quality VoIP call while moving around their office environment HPE Aruba Networking Central reported a fair UCC score for this call while your VoIP engineer reported that their systems reported a MOS of 2, 3. The VoIP devices are operating over the 5GHz frequency band.

What are the possible contributing factors? (Select two.)

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Suggested Answer: A

USB dongles often require additional power, which may exceed the power delivery capabilities of Class 4 PoE switches. Aruba AP-615 and AP-635 are designed to work with USB dongles that require additional power for proper operation. Since the Cat 6A cable can support higher power levels, replacing the Class 4 PoE switches with Class 6 PoE switches, which can deliver higher power, should resolve the issue with the dongles not powering up.


Contribute your Thoughts:

Louvenia
8 days ago
I bet it's the coverage and interference issues. VoIP is pretty sensitive to those kinds of problems. The MOS score of 2-3 is pretty low, so that tracks.
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Alysa
8 days ago
Maybe the AP deployment plans not supporting enough cell overlap is also a factor.
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Torie
13 days ago
Hmm, I'm not sure about the 802.tr one. Isn't that something to do with time-sensitive networking? The interference and Zigbee factors seem more likely to me.
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Antonio
17 days ago
I agree, that could definitely affect the call quality.
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Gabriele
19 days ago
I think the localized interference could be a contributing factor.
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