多項(xiàng)選擇題Which two Internet Protocol (IP) telephony devices are best categorized as infrastructure components? （）

A.Call management software
B.Media Convergence Servers (MCSs)
C.Voice gateways
D.IP telephones


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1.多項(xiàng)選擇題Small businesses face unique customer challenges, which three challenges are small businesses looking to overcome? （）

A.technical staffing
B.data center deployments
C.employee training
D.cost containment
E.operational efficiency
F.customer responsiveness

2.單項(xiàng)選擇題What feature does the Partner E-Learning Connection provide?（）

A.Lists of training-partner class offerings.
B.Hosted website that partners use to deliver e-learning to customers.
C.Full versions of all Cisco technical-level classes.
D.Flexibility, web-based knowledge and learning.
E.Live instructor-led, web-based classes.

3.單項(xiàng)選擇題Which network technology addresses these customer business needs: shrinking budgets and IT staffs, more complex networks, and an increased need for network security?（）

A.Optical network
B.Storage-area network (SAN)
C.Content delivery network (CDN)
D.Network management

4.單項(xiàng)選擇題What is A WAN?（）

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