Which of the Following Is Not a Limitation of PERT

Multiple Choice

Which of the following is not a limitation of PERT and similar project-scheduling techniques?

A) They force the manager to organize and quantify information.
B) One or more important activities may be omitted from the network.
C) Precedence relationships may not all be correct as shown.
D) Time estimates may contain a "fudge factor."
E) The use of a computer is essential for large projects.