单项选择题
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
单项选择题 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?（）
单项选择题 Which Internet Protocol(IP) telephony element is best categorizedas a voice application component?（）
单项选择题 What feature does the Partner E-Learning Connection provide?（）