多项选择题
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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多项选择题
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 -
单项选择题
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.
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D.Flexibility, web-based knowledge and learning.
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单项选择题
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
