单项选择题
A. Layer 2 B. Layer 3 C. Layer 4 D. out-of-band
To ensure voice packets are kept within the Committed I...
单项选择题To ensure voice packets are kept within the Committed Information Rate (CIR) of a Frame Relay link, what should be used in the CPE?（）
A. prioritization B. classification C. fragmentation D. traffic shaping
DRAG DROP
问答题
Which QoS requirement applies to streaming video traffi...
单项选择题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
