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单选题
Choose the true statement regarding QoS pre-classify.（）
A
QoS pre-classify permits making QoS decisions based on elements from the unencrypted IP packet.
B
QoS pre-classify is required when encrypting voice.
C
QoS pre-classify is an advantage to Service Providers transporting encrypted packets.
D
QoS pre-classify is not designed for IPSec/GRE configurations.
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更多 “单选题Choose the true statement regarding QoS pre-classify.（）A QoS pre-classify permits making QoS decisions based on elements from the unencrypted IP packet.B QoS pre-classify is required when encrypting voice.C QoS pre-classify is an advantage to Service Providers transporting encrypted packets.D QoS pre-classify is not designed for IPSec/GRE configurations.” 相关考题
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Choose the true statement regarding QoS pre-classify.（）A、QoS pre-classify permits making QoS decisions based on elements from the unencrypted IP packet.B、QoS pre-classify is required when encrypting voice.C、QoS pre-classify is an advantage to Service Providers transporting encrypted packets.D、QoS pre-classify is not designed for IPSec/GRE configurations.
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单选题Choose the true statement regarding QoS pre-classify.（）A
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