多项选择题

Which three components are part of the Intelligent Network Services provided by the Cisco AVVIDframework？（）

A. IP telephony
B. security
C. IP multicasting
D. QoS

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Which two of these are correct regarding the recommende...

多项选择题

Which two of these are correct regarding the recommended practice for distribution layer designbased on the following configuration？（）

A. use a Layer 2 link between distribution switches
B. use a Layer 3 link between distribution switches
C. use a redundant link to the core
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CCDP(642-874)

Which three components are part of the Intelligent Network Services provided by the Cisco AVVIDframework？ （）

Which three components are part of the Intelligent Network Services provided by the Cisco AVVIDframework？（）