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

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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