多項選擇題

When a router converts analog signals to digital signals， what three steps are always included in the process？（）

A. involution
B. encoding
C. sampling
D. quantization
E. compression
F. companding

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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. Voice 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.

多項選擇題

What are two steps needed to define a QoS policy for a traffic class？（）

A. Determine a minimum bandwidth guarantee.
B. Determine interfaces to which to apply policy.
C. Assign priorities to the class.
D. Configure access control lists.

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When a router converts analog signals to digital signals， what three steps are always included in the process？ （）

你可能感興趣的試題

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

What are two steps needed to define a QoS policy for a traffic class？（）

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When a router converts analog signals to digital signals， what three steps are always included in the process？（）

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

What are two steps needed to define a QoS policy for a traffic class？（）