Cisco 646-985 Exam

What is a benefit of Internet protocol (IP) telephony?

  • A. Synchronizes password exchanges for call setup
  • B. Eliminates the need for physical cabling in a TCP/IP network
  • C. Enables two-way voice transmission over a packet-switched TCP/IP network
  • D. Creates an encrypted tunnel for voice through a Transmission Control Protocol (TCP)/IP network
Answer: Option C.

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