Refer to the exhibit which statement is true？（）

单项选择题After logging into the WCS wireless management server，the administrator is presented with the initial home page showing the network summary.there are four main menu choices across the top horizontal secreen.what is the purpose of the location menu choice？（）

A.to configure the location and addition of a wireless lan controller（WLC） using an ip address. 
B.to enable the ：on demand” location of a single rogue AP or rogue client.
C.to configure the communication with a location appliance.
D.to configure the location and addition of a wireless access point using an ip address.

单项选择题Whichtrafficdescriptorisusedformarking？（）

A.weighted RED （WRED） orange or green labels
B.modular QoS CLI （MQC） application layer tags
C.Deficit Round Robin （DRR） precedence bits
D.header compression tags
E.MPLS experimental bits
F.FIFO Layer 2 descriptor labels （L2DL）

单项选择题WhichheaderorsetofheadersdoesCRTPcompress？（）

A.Layer 2
B.Layer 3
C.Layer 4
D.Layer 2 and Layer 3
E.Layer 3 and Layer 4

多项选择题Whatarethethreeelementsofconfiguringcongestionmanagement？（）

A.queue creation
B.determining packet drop thresholds
C.determining the random early detection method
D.traffic classification
E.queue scheduling
F.FIFO configuration

多项选择题Whichtwostatementsaretrueabouttrafficshapingandtrafficpolicing？（）

A.both traffic shaping and traffic policing cause retransmissions of connection-oriented protocols such as TCP
B.both traffic shaping and traffic policing support the marking and re-marking of traffic
C.the effects of traffic shaping and traffic policing when configured on a router are applied to outgoing traffic
D.traffic shaping queues excess traffic whereas traffic policing discards excess traffic
E.traffic shaping allows the traffic to exceed the bit rate whereas traffic policing prevents the traffic from exceeding the bit rate