Huawei devices can be managed using the Telnet protocol.
Which of the following statements is correct about this management function?
A . The port number used by Telnet defaultly is 22, which cannot be modified.
B . Telnet must enable the VTY interface, and the maximum is 15
C . Telnet does not support authentication based on username and password
D . Telnet does not support deploying ACLs to increase security.
Answer: B