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 than 1 percent.
C. Jitter should be less then 40 ms.
D. Managed bandwidth is strongly recommended for voice control traffic.

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單項(xiàng)選擇題

For acceptable voice calls， the packet error rate should be less than（）%

A. 0.01
B. 0.1
C. 1
D. 2.5

多項(xiàng)選擇題

What are three primary activities in the cycle of building an enterprise security strategy？（）

A. activity audit
B. administration
C. policy establishment
D. technology implementation

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What are two design guidelines for VoIP networks？（）

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For acceptable voice calls， the packet error rate should be less than（）%

What are three primary activities in the cycle of building an enterprise security strategy？（）

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What are two design guidelines for VoIP networks？（）

For acceptable voice calls， the packet error rate should be less than（）%

What are three primary activities in the cycle of building an enterprise security strategy？（）