多項(xiàng)選擇題

Network management saves time and money by automating which two tasks? （）

A.Configuring changes to hardware and software
B.Monitoring online purchasing
C.Monitoring user access to storage files
D.Monitoring and troubleshooting network devices

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多項(xiàng)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

單項(xiàng)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