This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Health education & planning, Subject name: Social & Preventive Medicine
P.E.R.T is a type of - 
Select and explain. 
A. Input output analysis, B. System analysis, C. Network analysis, D. Work sampling
B: System analysis
Answer: B: System analysis 
Explanation: A network analysis is a graphical plan of all events and activities to be completed inorder to reach an end objective.It brings greater discipline in planning.Two common types of network techniques are PE CPM(refer pgno:872 park 23 rd edition)