單項選擇題which command allows you to verify the encapsulation type （CISCO OR IETF） for a frame relay link？（）

A.show frame-relay map
B.show frame-relay lmi
C.show inter serial
D.show frame-relay pvc


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2.單項選擇題What is the alternative notation for the IPV6 address B514：82C3：0000：0000：0029：EC7A：0000：EC72？（）

A.B514：82C3：0029：：EC7A：0000：EC72
B.B514：82C3：0029：EC7A：EC72
C.B514：82C3：：0029：EC7A：0：EC72
D.B514：82C3：：0029：EC7A：EC72

3.單項選擇題

The Frame Relay network in the diagram is not functioning properly. What is the cause of the problem?（）

A.The Gallant router has the wrong LMI type configured
B.Inverse ARP is providing the wrong PVC information to the Gallant router
C.The S3 interface of the Steele router has been configured with the frame-relay encapsulation ietf command
D.The frame-relay map statement in the Attalla router for the PVC to Steele is not correct
E.The IP address on the serial interface of the Attalla router is configured incorrectly

4.單項選擇題How should a router that is being used in a Frame Relay network be configured to avoid split horizon issues from preventing routing updates?（）

A.Configure a separate sub-interface for each PVC with a unique DLCI and subnet assigned to the subinterface B
B.Configure each Frame Relay circuit as a point-to-point line to support multicast and broadcast traffic
C.Configure many sub-interfaces on the same subnet
D.Configure a single sub-interface to establish multiple PVC connections to multiple remote router interfaces

5.多項選擇題Which of the following are types of flow control？（）

A. buffering
B. cut-through
C. windowing
D. congestion avoidance
E. load balancing