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

多项选择题What are three common reasons why customers are saying that they need to evolve their data center? （）

A.demand among users for access to information anytime, anywhere
B.desire to use the same vender for desktop and server deployments
C.existing equipment has reached and of life
D.increasing operational costs of managing data centers
E.architectures that is inflexible and inefficient
F.selecting best-performing vendors for each individual component

单项选择题What is A WAN？（）

A.A network that connects client devices wirelessly using radio waves
B.A network that crosses metropolitan, regional, or national boundaries
C.A network that is restricted.to a single building ,a group of buildings, or even a single room
D.A network that encompasses an entire city or metropolitanared. and. connects multiple LANs

多项选择题Which three challenges have been created by the move toward Virtualization in the data center? （）

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

单项选择题Simplified guest access, comprehensive communication and collaboration, and optimized asset and network visibility are benefits of which type of Cisco deployment?（）

A.Cisco Conferencing
B.CiscoCloud Computing
C.Cisco Wireless
D.Cisco Routingand Switching

单项选择题If an enterprise customer required a switch for their branch office access layer, which family of switches would the customer likely choose from?（）

A.Cisco Catalyst 2000 and 3000
B.Cisco Nexus
C.Cisco Catalyst 4000 and 6000
D.Cisco SFS 3000/7000