Examine the output from R1. Interface FastEthernet0/0 is used for all management of the device. A client is able to connect to R1 on port 22, however, they are unable to connect on port 23.
What is the cause of the problem?
A. Management Plane Protection (MPP) is enabled, which only allows SSH.
B. Telnet and SSH are not allowed at the same time.
C. Management Plane Protection (MPP) is enabled on the wrong interface.
D. Management Plane Protection (MPP) is enabled, however telnet is not allowed.