單項選擇題Assume that network-based application recognition （NBAR） has been configured to gather traffic for all known protocols on an interface. Which command will display the statistical results of all recognized protocols？（）

A.showip nbar
B.showip nbar pdim
C.show ip nbar port-map
D.show ip nbar protocol-discovery


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1.單項選擇題

Refer to the exhibit. Which option correctly describes the order of signaling and call processing events when a branch employee calls headquarters?（）

A.P，S，T，U
B.U，T，S，P
C.S，U，P，T
D.P，U，S，T
E.S，P，U，T
F.S，P，T，U

2.多項選擇題

Refer to the exhibit. Which three options are available when the Cisco Wireless Control System （WCS） discovers rogue access points on the LAN？（）

A.The WCS sends new rouge access point notifications.
B.The WCS locates and monitors rouge access points until they are eliminated or acknowledged.
C.The WCS reconfigures the rouge access point with proper authentication credentials.
D.The WCS sends deauthenticate and disassociate messages to the rouge access point.
E.The WCS contains rouge access points by sending their clients deauthenticate and disassociate messages
F.The WCS sends deauthenticate and disassociate messages to all wireless clients on the network.

3.多項選擇題In which three network technologies is traffic shaping used to prevent and manage congestion？ （）

A.Asynchronous Transfer Mode （ATM）
B.data-link switching （DLSw）
C.Route Processor Redundancy （RPR）
D.Frame Relay （FR）
E.Metro Ethernet
F.Multiprotocol Label Switching （MPLS）

4.單項選擇題What best describes processing delay？（）

A.the time required from receipt of the incoming frame， until the frame/packet has been queued for transmission
B.the time taken for a single packet to traverse the physical medium from one end to the other
C.the time taken to place a frame on the physical medium for transport
D.the time spent for a packet to reside in the output queue of a router

5.單項選擇題Which QoS model manages the QoS requirements for the network on a per-hop behavior （PHB） basis？（）

A.best-effort delivery
B.ingress committed rate （ICR）
C.shaping and policing
D.egress committed rate （ECR）
E.Integrated Services （IntServ）
F.differentiated services （DiffServ）