多項(xiàng)選擇題

What are two design guidelines for VoIP networks? （）

A.Delay should be no more than 10 ms.
B.Loss should be no more than1 percent.
C.Jitter should be less then 40 ms.
D.Managed bandwidth is strongly recommended for voice control traffic.

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多項(xiàng)選擇題

Which three of these are elements of the Cisco Unified Wireless Network architecture？（）

A.cell phones
B.remote access
C.mobility services
D.network management
E.network unification
F.network decentralization

單項(xiàng)選擇題

Which of these is a Layer 2 transport architecture that provides packet-based transmission optimized for data based on a dual （counter-rotating） ring topology？（）

A.DTP
B.RPR
C.SDH
D.CWDM
E.DWDM

What are two design guidelines for VoIP networks? （）

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Which three of these are elements of the Cisco Unified Wireless Network architecture？（）

Which of these is a Layer 2 transport architecture that provides packet-based transmission optimized for data based on a dual （counter-rotating） ring topology？（）

Which three of these are elements of the Cisco Unified Wireless Network architecture？（）