单项选择题
Refer to the exhibit. The auto discovery qos command was configured on this interface 24 hours prior to the above configuration. Which statement is true about the configuration?（）
A. An IP address is needed on interface seriall/2.
B.The auto discovery qos command should be configured on the subinterface
C.A generated AutoOoS policy has been applied to serial1/2.
D.The collection of data has stopped.
相关考题
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单项选择题
Identifythelinkefficiencymechanism？（）
A.LFI
B.LLQ
C.RSVP
D.WFO
E.WRED -
单项选择题
Toprovidequalityofservice（QoS）forvoicetrafficinanIEEE802.1qnetwork，whichclassofservice（CoS）valueshouldbeusedinthe3-bit，userprioritybits（PRI）field？（）
A.The PRI field should contain the Cos value of 010
B.The PRI field should contain the Cos value of 011
C.The PRI field should contain the Cos value of 100
D.The PRI field should contain the Cos value of 101
E.The PRI field should contain the Cos value of 110
F.The PRI field should contain the CoS value of 111 -
多项选择题
Whataretwobenefitsofcontrolplanepolicing？（）
A.protection against denial of service （DoS） attacks at infrastructure routers and switches
B. protection against known worm attacks in routers and switches
C.quality of service （QoS） control for packets that are sourced from the data plane of Cisco routers and switches
D.quality of service control （QoS） for packets that are destined to the control plane of Cisco routers and switches
E.quality of service （QoS） control for packets that are destined to the data plane of Cisco routers and switches
