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Zorluk: KolayNetwork Hardware Devices

A technician is installing ceiling-mounted wireless access points in an office space where no local AC power outlets are available near the mounting locations. Which of the following hardware solutions can supply both electrical power and network data to these access points over standard Ethernet cables? (Select TWO.)

  1. A PoE-enabled network switchCevap
  2. A stand-alone PoE injectorCevap
  3. C
    A standard Layer 2 Ethernet switch paired with a Layer 3 router
  4. D
    A DHCP server assigning Automatic Private IP Addressing (APIPA)

Cevap

The correct devices are a PoE-enabled network switch and a stand-alone PoE injector.
Both a Power over Ethernet (PoE) switch and a standalone PoE injector are engineered to inject electrical power alongside data signals onto standard Ethernet copper cabling, enabling devices like wireless access points to run without requiring a local AC power outlet.

Adım Adım Çözüm

1
Identify the physical connection requirement
The scenario requires sending both network data and DC electricity over a single twisted-pair Ethernet cable run.
Ceiling-mounted access points need operating power, but no wall outlets are available at the mounting location.
2
Evaluate candidate hardware capabilities
Both PoE-enabled switches and standalone PoE injectors combine power and data signals onto copper Ethernet cabling.
PoE technology eliminates the need for separate electrical wiring at the device mounting point.

Anahtar Kavram

Power over Ethernet (PoE) hardware enables data and electrical power delivery over standard Ethernet cabling.
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