单项选择题
Which command can be used to verify the DLCI destination address in a Frame Relay static configuration?（）
A. show frame-relay end-to-end
B. show frame-relay map
C. show frame-relay lmi
D. show frame-relay pvc
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相关考题
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单项选择题
Which layer 2 protocol encapsulation type supports synchronous and asynchronous circuis and has built-in security mechanisms?（）
A. Frame Relay
B. HDLC
C. x.25
D. PPP -
单项选择题
In which circumstance are multiple copies of the same unicast frame likely to be transmitted in a switched LAN?（）
A. after broken links are re-established
B. in an improperly implemented redundant topology
C. when upper-layer protocols require high reliability
D. during high traffic periods
E. when a dual ring topology is in use -
单项选择题
Which command sets and automatically encrypts the privileged enable mode password?（）
A. enbale password c1sco
B. secret enable c1sco
C. password enable c1sco
D. enable secret c1sco
