The following description about the characteristics of VTY in H3C equipment is correct ______ .

The following description about the characteristics of VTY in H3C equipment is correct ______ .
A . Only used to Telnet the device
B . Each device can support multiple VTY users to access simultaneously
C . Each VTY user corresponds to a physical interface
D . Does not support passwordless authentication

Answer: B

Explanation:

Vty is the virtual login interface, supports multiple users and supports authentication

Vty 0-4 5 interfaces, which can be accessed by 5 people at the same time

Logic lines 0-4 are randomly assigned. If 1-4 is turned off , only 0 is left , but it may not be randomly reached 0 , and it is still inaccessible