Which command shows system hardware and software version information？（）

A.dumpctrl

B.sysdumpdev

C.livedumpdev

D.livedumpctrl

A.show session

B.show cdp neighbors

C.show users

D.show queue

A.lsps -a

B.showps -a

C.psdisplay -l

D.swaplist -ALL

A. show log chassisd

B. show log clusterd

C. show log jsrpd

D. show log messages

A. show clns neighbor

B. show isis neighbor

C. show clns adjacency

D. show isis adjacency

A. l2tp tunnel test

B. show subscribers

C. show aaa domain-map

D. show l2tp destination profile

A. show ip interface [interface] access-lists

B. show ip access-lists interface [interface]

C. show ip interface [interface]

D. show ip access-lists [interface]

A.show interfaces queue ge-0/0/0

B.show statistics queue detail

C.show interfaces ge-0/0/0 statistics extensive

D.monitor interface ge-0/0/0 queue

At which OSI layer is this problem associated with？

A．The data link layer

B．The application layer

C．The access layer

D．The session layer

E．The network layer

A. Either the -a or flag -b may be used, but not both.

B. If the flag -a is used then the flag -b also must be used.

C. One of the -a or -b flags must be used, but not both at the same time.

D. Both the flags may be used together, but neither are mandatory.