You must plan for POE in an office environment. Which one of these devices is least likely to be a POE PSE?

Question

Options

• AMidspan multi-port injector
• BSwitch
• CVolP Phone
• DMidspan injector

• A
  2% (1)
• B
  2% (1)
• C
  92% (59)
• D
  5% (3)

Explanation

A VoIP phone is least likely to be a POE PSE of the devices listed. POE stands for Power over Ethernet, which is a technology that allows devices to receive both power and data over a single Ethernet cable. A POE PSE stands for Power Sourcing Equipment, which is a device that provides power to other devices over Ethernet. A POE PD stands for Powered Device, which is a device that receives power from a PSE over Ethernet. A midspan multi-port injector, a switch, and a midspan injector are examples of POE PSEs, as they can supply power to multiple devices over Ethernet cables. A VoIP phone is an example of a POE PD, as it can receive power from a PSE over an Ethernet cable. However, some VoIP phones can also act as POE PSEs for other devices, such as IP cameras or wireless access points, but this is not very common.

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