多项选择题
You are the network consultant from passguide.com. In which situation you will advice your customer to implement data centers?（）
A.Protecting the business from information outages
B.Optimizing the efficiency with which IT operates
C.An increased need for specialized IT silos
D.IT systems grow fast
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相关考题
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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
