HP Exam HPE7-A07 Topic 3 Question 25 Discussion

Actual exam question for HP's HPE7-A07 exam

Question #: 25
Topic #: 3

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.)

ACoverage AP deployment plans generally don't support enough cell overlap for VoIP.

B802.tr is enabled in the WLAN Security settings.

CThere was localized interference at the caller's location

D802.1K is disabled in the WLAN Security settings

EThe client roamed into an area that continuously operates Zigbee.

Show Suggested Answer

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.

by Azzie at Oct 19, 2024, 05:06 AM

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Staci

24 days ago

I'm just picturing the VoIP engineer throwing their hands up in the air, muttering 'MOS of 2-3? That's not very mossy of you, is it?'

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Von

27 days ago

Ah, the age-old struggle of VoIP vs. the office environment. Coverage and interference, my friends. I bet the poor employee was walking around like a zombie, trying to get a decent call.

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Tequila

1 months ago

I'm going with coverage and interference too. 802.1K? What is this, a network exam from the 90s? That's got to be a red herring.

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Irma

1 months ago

Coverage and interference, for sure. I mean, who uses Zigbee in an office these days? That's just asking for trouble with your VoIP.

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Elbert

22 days ago

C) There was localized interference at the caller's location

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Maurine

24 days ago

A) Coverage AP deployment plans generally don't support enough cell overlap for VoIP.

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2 months ago

I think the localized interference could be a contributing factor.

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