220-1201 Exam Dumps | Which of the following describes the function of an injector?

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CompTIA A+ Certification Exam: Core 1
CompTIA.220-1201.v2025-12-15.q66
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Question 4/66

Which of the following describes the function of an injector?

A. To provide only data connectivity

B. To supply power across a cable

C. To improve wireless performance

D. To extend a network connection

Correct Answer: B

A PoE injector is used to add power to an Ethernet cable, enabling the cable to deliver both power and data.
This is crucial when connecting to PoE-enabled devices like IP cameras or wireless access points that are far from power outlets.
Reference: "CompTIA A+ Complete Practice Tests" by Jeff T. Parker - Chapter 10, Question 77, page 585.

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