A global manufacturer of automobile parts wants to implement specialized voice applications to increase productivity and reduce the cost of overseas toll calls. Which Cisco solution best matches this business need?()A、Digital subscriber line (DSL)B、Optica

题目

A global manufacturer of automobile parts wants to implement specialized voice applications to increase productivity and reduce the cost of overseas toll calls. Which Cisco solution best matches this business need?()

  • A、Digital subscriber line (DSL)
  • B、Optical network
  • C、Wireless local-area network (WLAN)
  • D、Internet Protocol (IP) telephony
参考答案和解析
正确答案:D
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