New PMP Question & Answers with explanation

The project manager of a long-term project to develop a new medical device waits until the later phase where the deliverables are more clearly defined before adding those details to the WBS. This is an example of:
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Which of the following is not an effective influencing technique?
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You are reviewing the responses to an RFP your company issued. You realize that a key requirement was not included in the RFP. However, one of the bidders included that requirement in the response. What is the best course of action?
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Which of the following activities fall under the planning process group but not under project schedule management?
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You have recently joined a new company as a project manager. While reviewing the procurement plans for a project you will be taking over, you see that the company is considering using one of the most expensive manufacturers to provide certain equipment required for the project. At your previous employer, you had used a different supplier for the same equipment and had paid significantly less. Without telling your boss, you now call that supplier for a quote. Have you violated the rule of keeping proprietary information confidential?
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