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Axis ANVE Exam - Topic 3 Question 127 Discussion

Actual exam question for Axis's ANVE exam

Question #: 127
Topic #: 3

[All ANVE Questions]

How can using PoE to power cameras help keep them running during a power outage?

APoE cameras use less cabling, allowing backup power supplies to last longer

BPoE cameras are centrally powered from the Ethernet switches which are backed up by uninterrupted power supply (UPS)

CThe PoE standard requires connected devices to include backup batteries, to allow for network dropouts

DSince PoE cameras are centrally powered by the server, you will only need to add backup power to the server to keep the system running

Show Suggested Answer

Suggested Answer: B

Using PoE (Power over Ethernet) to power cameras helps keep them running during a power outage because PoE cameras are centrally powered from the Ethernet switches, which are often backed up by an uninterrupted power supply (UPS). This means that in the event of a power failure, the UPS can provide temporary power to the switches and, consequently, to the connected PoE cameras, ensuring continuous operation.

by Alaine at May 31, 2026, 04:44 PM

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Layla

I feel like option D could be misleading since it implies only the server needs backup power, but I thought all devices should be considered.

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Julio

5 days ago

I vaguely recall a practice question about PoE and backup power, but I can't remember if it was about batteries or UPS.

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Suzan

10 days ago

I think option B sounds right because it talks about Ethernet switches being backed up, which makes sense for keeping cameras running during outages.

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Kristofer

15 days ago

I remember something about how PoE can centralize power, but I'm not sure if it specifically mentions UPS in the options.

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