The following PMP® exam sample question is taken from the Free PMP Exam Simulator at http://free.pm-exam-simulator.com - The answer is at the very bottom:

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You are considering using WBS templates to create your project's WBS. Where would you most likely find these templates?

A.) PMI's Practice Standard for WBS
B.) Microsoft Project Web Site
C.) Organizational Process Assets
D.) All of the above

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Hint: Get your mind out of the PMBOK Guide and think freely for this question.
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ANSWER AND EXPLANATION:
The correct answer is D
Explanation: This question isn't asking about "inputs" to the Create WBS process. The question is simply asking: Where could you find templates to help you build a WBS? All of the answer choices are possible sources for WBS templates.
Reference: PMI Practice Standard for WBS 2nd Edition, Appendices