Subject
Computer Science
Topic
Computer Hardware
What technology allows a single network cable (like Ethernet) to carry both data and electrical power?
What technology allows a single network cable (like Ethernet) to carry both data and electrical power?
a)
ATM (Asynchronous Transfer Mode)b)
PoE (Power over Ethernet)c)
DSL (Digital Subscriber Line)d)
VLAN (Virtual Local Area Network)Explanation
PoE is a standard that allows twisted-pair Ethernet cables to transmit DC power alongside data. This is extremely useful for powering devices like IP cameras, wireless access points, and VoIP phones in locations where a separate power outlet is inconvenient or unavailable.Related questions
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