When a Huawei Router Serves as an SSH Client and Attempts

Multiple Choice

When a Huawei router serves as an SSH client and attempts to log in to another Huawei router, the login fails. It is suspected that the SSH server configuration is incorrect. Which of the following causes is the most impossible for the server fault?

A) The SSH protocol is not bound in the VTY user interface view.
B) The user service type, authentication type, and user service type are not configured.
C) The SSH server and client have inconsistent versions.
D) The SSH first-time authentication function is disabled.