100-150 Question 170
Single answerA network technician is troubleshooting a switch that is not powering a connected VoIP phone. The phone works when connected to another switch. Upon inspecting the current switch, the technician notices that the port has no power delivery. Which type of port or feature should the technician verify on the problematic switch to resolve the issue?
- A
Ethernet port with Power over Ethernet (PoE)
- B
Console port
- C
USB port
- D
Fiber port
- E
SFP slot
Show answer and explanation
Correct answer: A
Explanation
VoIP phones often require Power over Ethernet (PoE) to operate. If a phone does not receive power from a switch, the technician should confirm that the Ethernet port on the switch is PoE-capable and functioning. Other ports like the console, USB, and fiber ports do not provide power to devices, making them irrelevant in this scenario.
- A. Correct.
Ethernet ports with PoE provide both power and data to devices like VoIP phones. The technician should verify that the port is PoE-enabled and functioning correctly.
- B. Incorrect.
Console ports are used for device management and cannot provide power to connected devices.
- C. Incorrect.
USB ports are typically used for file transfer or device configuration, not for powering connected devices.
- D. Incorrect.
Fiber ports are used for high-speed data transmission over long distances but do not provide power to connected devices.
- E. Incorrect.
SFP slots are modular ports used for connecting fiber or copper transceivers but do not provide power to devices.