You are the network consultant from passguide.com. In which situation you will advice your customer to implement data centers?（）

单项选择题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

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?（）

A.Optical network
B.Digital subscriber line (DSL)
C.Internet Protocol (IP) telephony
D.Wireless local-area network (WLAN)

单项选择题Which Internet Protocol(IP) telephony element is best categorizedas a voice application component?（）

A.IP telephone
B.Voice gateway
C.Private branch exchange (PBX)
D.Advanced audio conferencing software

单项选择题What feature does the Partner E-Learning Connection provide?（）

A.Live instructor-led, web-based classes
B.Flexibility, web-based knowledge and learning
C.Lists of training-partner class offerings
D.Full versions of all Cisco technical-level classes
E.Hosted website that partners use to deliver e-learning to customers

单项选择题Which device is installed in user devices and makes wireless connections between them and a network?（）

A.Router
B.Bridge
C.Access point
D.Client adapter