Refer to the exhibit. 
While troubleshooting high CPU utilization on one of your Cisco Catalyst switches, you find that
the issue is due to excessive flooding that is caused by STP. What can you do to prevent this
issue from happening again?
A.
Disable STP completely on the switch.
B.
Change the STP version to RSTP.
C.
Configure PortFast on port-channel 1.
D.
Configure UplinkFast on the switch.
E.
Configure PortFast on interface Gi0/15.