show ldp neighbor
show martini connections
show l2circuit connections
show l2vpn connections
第1题：
A. show route bgp
B. show route extensive
C. show bgp attribute
D. show bgp neighbor
第2题：
A. show clns neighbor
B. show isis neighbor
C. show clns adjacency
D. show isis adjacency
第3题：
A. show users
B. show subscriber
C. show ppp interface
D. show ppp interface status ip
第4题：
A.show protocols
B.show process
C.show system
D.show version
第5题：
A. show chassis temperature-thresholds
B. show chassis environment
C. show chassis hardware
D. show chassis alarms
第6题：
A. show clns neighbor
B. show isis neighbor
C. show clns interface
D. show isis interface
第7题：
A. show ldp neighbor
B. show martini connections
C. show l2circuit connections
D. show l2vpn connections
第8题：
A. show interfaces status
B. show interfaces summary
C. show interfaces terse
D. show interfaces admin
第9题：
A.show session
B.show cdp neighbors
C.show users
D.show queue
第10题：
Which command shows your active Telnet connections?（）