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CompTIA

220-1101 · Question #202

A help desk technician has been tasked with installing an IP phone in a small office with an unmanaged switch. When connected to an RJ45 receptacle, the phone does not boot. Which of the following is

The correct answer is C. Install a PoE injector.. https://intellinetnetwork.eu/pages/what-is-a-poe-injector The quickest way to resolve the issue is to install a Power over Ethernet (PoE) injector to provide power to the IP phone. An unmanaged switch does not provide PoE, so an injector is needed to power the phone.

Hardware and network troubleshooting

Question

A help desk technician has been tasked with installing an IP phone in a small office with an unmanaged switch. When connected to an RJ45 receptacle, the phone does not boot. Which of the following is the QUICKEST way to resolve this issue?

Options

  • AUpgrade the Ethernet cable to the latest specification.
  • BReplace the phone.
  • CInstall a PoE injector.
  • DChange ports on the switch.

How the community answered

(27 responses)
  • A
    7% (2)
  • B
    4% (1)
  • C
    78% (21)
  • D
    11% (3)

Explanation

https://intellinetnetwork.eu/pages/what-is-a-poe-injector The quickest way to resolve the issue is to install a Power over Ethernet (PoE) injector to provide power to the IP phone. An unmanaged switch does not provide PoE, so an injector is needed to power the phone.

Topics

#IP telephony#PoE#Network troubleshooting#Network hardware

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