VTP Password can be shown!

I did not notice that we can use "show" commands to display the VTP (VLAN Trunking Protocol) password!

I was reminded by my student these days. We can see this document "Configuring VTP Global Parameters" for a sample.

Switch#show vtp password
VTP Password:WATER
Switch#

I should have known this in CCNA courses. How careless I am!