單項(xiàng)選擇題

You are the Cisco Network Designer in Cisco.com. Which layer NAS operating mode are ACLfiltering and bandwidth throttling only provided during posture assessment？（）

A. Layer 2
B. Layer 3
C. Layer 4
D. out-of-band

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單項(xiàng)選擇題

To ensure voice packets are kept within the Committed Information Rate （CIR） of a Frame Relaylink， what should be used in the CPE？（）

A. prioritization
B. classification
C. fragmentation
D. traffic shaping

單項(xiàng)選擇題

Which QoS requirement applies to streaming video traffic？（）

A. one-way latency of 150 ms to 200 ms
B. jitter of 30 ms or less
C. packet loss of 2 percent or less
D. 150bps of overhead bandwidth

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