Which router IUS commands can be used to troubleshooting

A.
winipcfg

B.
tracert

C.
ping

D.
ip config

E.
show ip route

F.
show interfaces

Explanation:
While all of the above commands are useful in gathering network information and troubleshooting, only choices C, E, and F are Cisco IOS problems, while the other choices are DOS command prompt commands used by windows based stations.