Which IP telephony component supports VoIP, PoE, and QoS?
A.
client endpoints
B.
voice-enabled infrastructure
C.
Cisco Unified Communications Manager
D.
Cisco Unified Contact Center
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Answer is “A”
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Correct answer is “B”.
Book: CCDA 640-864 Official Cert Guide (Anthony Bruno,Steve Jordan) by CISCO PRESS. Page 534.
“The voice-enabled infrastructure provides services to support IPT voice, including Power over Ethernet (PoE) and QoS.”
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