Is VTP commonly used today?
Not as commonly as it once was. As many benefits as it has. It's default behavior is too unpredicable when you don't know the revision number of the switch that is getting plugged in.
Most often, when working with multiple switches, many will simply flip them to
Transparentmode before plugging a switch into the network.
*if the post above has answered the question, please mark the topic as solved.
**All "answers" and responses are offered "as is" and my opinion. There is no implied support or guarantee by the ITProTV team.