多项选择题

Which statement is true about the comparison of voice traffic with video traffic？（）

A.video conferencing traffic tends to be much more bursty in nature and is more prone to have an impact on other traffic flows
B.latency requirements are less stringent for video traffic than for voice traffic
C.video traffic is less sensitive to dropped packets than for voice traffic
D.video traffic requires the retransmission capabilities of TCP whereas voice uses UDP
E.video traffic tends to be much more bursty in nature and is more prone to have an impact on other traffic flows
F.voice traffic requires the retransmission capabilities of TCP whereas video uses UDP

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单项选择题

Which statement is true about the digital to analog conversion process？（）

A.the two steps of digital to analog conversion are decompression and reconstruction of the analog signal
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What is the correct procedure for adding an access point in WCS？（）

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D.Wait until the AP downloads its code from the WCS and choose the access point from the list under the Access_Point option of the Configure menu

单项选择题

Which statement is correct about the Cisco QoS SDM wizard？（）

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