Sim-Ex™ Practice Exams for A+ Core 1: Practice Questions

VOIP Connectivity

Home     Previous     Up     Next

Q8. A user wants to connect a VOIP phone to his wireless router. The router supports VOIP phone connectivity without any external power supply for the phone. Which of the following technologies enable to operate a VOIP phone without needing external power supply?

A. 802.11g


C. PoE

D. QoS

Correct Answer: C


Power over Ethernet or PoE technology describes a system to pass electrical power safely, along with data, on Ethernet cabling. The IEEE standard for PoE requires category 5 cable or higher for high power levels, but can operate with category 3 cable if less power is required.

Home     Previous     Up     Next

Disclaimer: is not affiliated with any certification vendor, and Sim-Ex™ Practice Exams are written independently by and not affiliated or authorized by respective certification providers. Sim-Ex™ is a trade mark of or entity representing™ is a trademark of CompTIA® organization.