The correct answer is: E. None of the above.
CPA stands for cost-plus-award fee. It is a type of contract in which the contractor is paid a fixed fee plus a percentage of the costs incurred. VLSI stands for very-large-scale integration. It is a process of manufacturing integrated circuits with millions or billions of transistors. GIGO stands for garbage in, garbage out. It is a principle in computer science that states that if incorrect data is input into a computer, the output will also be incorrect. MSI stands for medium-scale integration. It is a process of manufacturing integrated circuits with hundreds or thousands of transistors.
None of these options are basic techniques using activity networks. Activity networks are a type of network diagram that is used to represent the sequence of activities in a project. They can be used to plan, schedule, and control projects.