Refer to the output of a “sh ip auth-proxy cache” command issued on a Company router below.
Which port is being used by the client?
R2 # sh ip auth-proxy cache Authentication Proxy CacheClient Name aaauser,Client IP 10.0.2.12,
Port 2636, timeout 5, Time Remaining 3, stateESTAB
Based on this information, which port is being used by the client?

A.
1645

B.
1646

C.
1812

D.
2636