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单选题
Which statement is NOT a key QoS recommended requirement for voice bearer traffic?（）
A
Voice traffic should be marked to DSCP EF per the QoS baseline and RFC3246.
B
Voice traffic loss should be no more than 3%.
C
One-way latency （mouth-to-ear） should be less than 150 msec.
D
Average one way jitter should be targeted to less than 30 msec.
E
21-320 Kbps of guaranteed priority bandwidth is required per call depending on sample rate，codec，and layer 2 overhead.
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更多 “单选题Which statement is NOT a key QoS recommended requirement for voice bearer traffic?（）A Voice traffic should be marked to DSCP EF per the QoS baseline and RFC3246.B Voice traffic loss should be no more than 3%.C One-way latency （mouth-to-ear） should be less than 150 msec.D Average one way jitter should be targeted to less than 30 msec.E 21-320 Kbps of guaranteed priority bandwidth is required per call depending on sample rate，codec，and layer 2 overhead.” 相关考题
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Which statement is NOT a key QoS recommended requirement for voice bearer traffic?（）A、Voice traffic should be marked to DSCP EF per the QoS baseline and RFC3246.B、Voice traffic loss should be no more than 3%.C、One-way latency （mouth-to-ear） should be less than 150 msec.D、Average one way jitter should be targeted to less than 30 msec.E、21-320 Kbps of guaranteed priority bandwidth is required per call depending on sample rate，codec，and layer 2 overhead.
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the system will stop all web-based threatsD
it is recommended： the system will detect more malware
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单选题Which QoS requirement applies to streaming video traffic？（）A
one-way latency of 150 ms to 200 msB
jitter of 30 ms or lessC
packet loss of 2 percent or lessD
150bps of overhead bandwidth
考题
单选题Which statement is true regarding a session key in the Diffie-Hellman key-exchange process?（）A
A session key value is exchanged across the network.B
A session key never passes across the network.C
A session key is used as the key for asymmetric data encryption.D
A session key is used as the key for symmetric data encryption.
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QoS can be enabled on interfaces used for Easy VPN clientsB
QoS can be enabled on IPsec VPN interfaces and tunnelsC
QoS can be enabled on interfaces with an existing QoS policyD
the QoS policy can be enabled for incoming and outgoing traffic on the interface
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单选题Which statement is true about The QoS Class Fibre Channel？（）A
Cannot be disabledB
Cannot have the CoS changedC
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单选题Which QoS requirement applies to streaming video traffic?（）A
one-way latency of 150 ms to 200 msB
jitter of 30 ms or lessC
packet loss of 2 percent or lessD
150bps of overhead bandwidth
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