Which of the following is not a tool or technique of project plan execution?

D. Change control system......................

D. Chang the control system.

All the experts are right, d) Change Control System is the answer

My ans is C. General Management Skills.

C) General Management skills is not a tool or technique of project plan execution.

Information system is a quite important but the organizational procedures requires to be followed. General management skill is an important tool which is required for a successful manager in any organization and changing the control system may not be in your hand. That's why the right answer is 'D'.

Thanks for invitation -

With the choice - D.

D. Change control system

all other are right 

thanks for invition ,,,,,,,,,, my choice is option D

My opinion is that the right answer is:

D. Change control system