多項選擇題Which three challenges have been created by the move toward Virtualization in the data center? （）

A.overstaffing
B.management integration
C.coherent policies and security
D.scalability
E.consolidation
F.asset tracking


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1.單項選擇題Which benefit does digital subscriber line (DSL) systems for broadband access provide to the user?（）

A.Dedicated lines for high security data transfer
B.Data and audio signals that share the same communications infrastructure
C.Secure access to company extranet
D.Simple solution for high-quality digital video using coaxial cable

2.多項選擇題Which three are benefits of A virtualized data center solution over A typical implementation?（）

A.simplified cabling
B.more efficient routing
C.fewer applications per server
D.more efficient power consumption
E.more control over each server
F.less rack space

3.單項選擇題What is a benefit of Internet protocol (IP) telephony?（）

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

4.單項選擇題Controlling costs that are associated with network issues, keeping unexpected problems from affecting productivity, and achieving business goals are characteristics of which cisco offering?（）

A.cisco captial financing
B.cisco SMARTnet service
C.cisco network optimization service
D.cisco smart business roadmap