Ccna certification Practice Tests

 132.  How does a switch calculate the bridge ID?

A.  The bridge ID is a 6-byte number containing a 2-byte bridge priority and 4-byte IP 

address.

B.  The bridge ID is an 8-byte number containing a 4-byte bridge priority and 4-byte IP 

address.

C.  The bridge ID is an 8-byte number containing a 2-byte bridge priority and 6-byte 

MAC address.

D.  The bridge ID is a 10-byte number containing a 4-byte bridge priority and 6-byte 

MAC address.

 133.  What is the definition of a designated port?

A.  A port that is determined to have the lowest cost and placed in a forwarding state for 

a network segment

B.  A port that is determined to have the highest cost and placed in a forwarding state for 

a network segment

C.  A port that is determined to have the lowest path cost to the root bridge and placed in 

a forwarding state for a network segment

D.  A port that is determined to have the highest path cost to the root bridge and placed 

in a blocking state for a network segment

 134.  Which is a correct statement about bridge port roles in STP?

A.  Every switch, excluding the root bridge, must have at least one root port.

B.  Every switch, including the root bridge, must have at least one designated port.

C.  Every switch, excluding the root bridge, must have at least one alternate port.

D.  Every switch, including the root bridge, must have at least one backup port.