Which of the following makes it possible to use an IP phone without needing an AC adapter?

Posted by: Pdfprep Category: 220-1001 Tags: 220-1001 practice exam, CompTIA A+, 220-1001 exam questions Post Date: November 17, 2020

Which of the following makes it possible to use an IP phone without needing an AC adapter?
A . Hub
B . UPS
C . PoE
D . NIC
E . QoS

Answer: C