Ccna certification Practice Tests

A.  A Spanning Tree loop has been detected.

B.  The switch uplink cable is bad.

C.  BPDU Guard was configured on a trunk.

D.  Flow control is turned off.

 155.  Which option is a best practice when configuring links on an access switch?

A.  Never configure spanning-tree PortFast mode on an access link.

B.  Always configure BPDU Guard along with PortFast.

C.  Always configure BPDU Guard on trunks.

D.  Always configure BPDU Guard along with UplinkFast.

 156.  Which command will show you if a port has been configured for PortFast mode?