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JN0-649 Exam - Question 57


You are deploying IP phones in your enterprise network that must receive their power through their Ethernet connection. You are using your EX Series switch's PoE ports that support IEEE 802.3af.

In this scenario, what is the maximum amount of power allocated to each interface?

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Correct Answer: B

The IEEE 802.3af standard, which the EX Series switches support for PoE (Power over Ethernet), allows for a maximum power allocation of 15.4 W per interface. This is the maximum amount of power that can be provided to each connected powered device under this standard.

Discussion

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penguin02007Option: B
Dec 5, 2022

B. 802.3af can deliver a max of 15.4W

dragosskyOption: B
Jan 4, 2023

PoE was first defined in the IEEE 802.3af standard, which supplied up to 15.4 W of power to a connected powered device. Subsequent versions increased the amount of power that can be supplied to a powered device, as follows:

harrypogiOption: B
Sep 22, 2023

B is correct