COMPUTER NETWORKING

WIRELESS NETWORKS AND MOBILE IP

INTRODUCTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
IP telephone devices can be used with no external power from a wall outlet because they utilize this feature ____ ?
A
VPN
B
PoE
C
QoS
D
WEP
Explanation: 

Detailed explanation-1: -PoE and non-PoE devices can be mixed on the same switch at the same time, there is no problem at all. In addition, many PoE switches can automatically disable the PoE port of the signal for ports that do not need it, making them more power-efficient.

Detailed explanation-2: -Power over Ethernet (PoE) is the technology that integrates data, voice and power over standard Ethernet infrastructure using Cat 5 or better cables. It is the means to supply reliable, uninterrupted power to Internet Protocol (IP) network cameras, IP phones, WLAN Access points, Thin Clients and other Ethernet devices.

Detailed explanation-3: -Introduction: Power Over Ethernet (PoE) Adapter Power over Ethernet or PoE, is the technology used for power transmission in network equipment, via network UTP cable, together with data. PoE is useful in situations when we want to connect network devices that are far away from a power source.

There is 1 question to complete.