How much time will expire after a failure in L2 before switch C activates the port connected to L3?

seenagape

9 years ago

Switch C is configured with UplinkFast. How much time will expire after a failure in L2 before
switch C activates the port connected to L3?

A.
15 seconds

B.
50 seconds

C.
1-5 seconds

D.
30 seconds