Ccna certification Practice Tests

A.  Trunk ports

B.  Access ports

C.  Voice ports

D.  Designated ports

 149.  What will the command 

spanning-tree portfast default entered in global 

configuration mode do?

A.  Turn on PortFast mode for all ports

B.  Turn on PortFast mode for all access ports only

C.  Turn off spanning tree on all ports

D.  Turn off spanning tree on all access ports only

 150.  What will happen if you plug a hub into two ports on the same switch configured with 

PortFast on all the interfaces?

A.  You will create a temporary switching loop.

B.  You will create a permanent switching loop.

C.  Both ports will sense the switch and err-disable.

D.  One of the links will disable via Spanning Tree.

 151.  Which feature will protect a switch immediately if it sees another switch’s advertisement?