问题：

[单选] Refer to the exhibit.What is the effect of the configuration that is shown?（）

A . It tells the router or switch to try establish an SSH connection first and if that fail to use telnet.
B . It configures a cisco network device to use the SSH protocol on incoming communications via the virtual terminal ports.
C . It allows seven failed login attempts before the VTY lines are temporarily shutdown.
D . It configures the virtual terminal lines with the password 030752180500.
E . It configures SSH globally for all logins.