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Question :-

A customer plans to connect 40 Voice over IP (VoIP) phones and 8 security cameras to a switch: The VoIP phones are Class 2 PoE devices and require a maximum of 45W (draw a maximum of 5w) The security cameras are Class 4 PoE+ devices and require a maximum of 17W (draw a maximum of 20 W) The network architect is proposing an HP 5500-48G-PoE switch, which supports PoE and PoE+ and has a PoE power budget of 370W The customer and architect agree on the class form of power allocation What else does the solution require?
A management module that is PoE+ capable
A redundant power supply for the switch that enhances the PoE/PoE+ budget
A power converter that enables the switch to provide PoE and PoE+ power at the same time
A 208-220V input power service

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