New PMP Question & Answers with explanation

Administrative closure involves all the activities in a step-by-step manner to satisfy various completion and exit criteria for the project. This is part of which Project Management Knowledge Area?
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After receiving some news about a delay on one of your project tasks, you review the schedule to determine how it will affect the project. While there is a substantial delay on this task, it is not a critical path item and will not affect delivery of any of your milestones. Another project manager advises you to just present the milestone chart during your meeting with the project stakeholders and tell them the project is progressing as planned. What do you do?
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As a project manager, you are analyzing a process and looking for opportunities for improvements by identifying and analyzing non-valueadded activities. This relates to which of the following tools and techniques of the Manage Quality process?
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You are assisting Benjamin, another project manager, to interview candidates for a resource position on his project. While reviewing your interview notes together, you notice that he sorts the candidate‘s resumes into two piles: One pile for further interviews, the other for candidates that did not meet the requirements for the position. You also notice that he has placed several of the highly qualified candidates in the second pile, stating that those interviewees "did not fit the corporate profile." Upon further review, you discover that all these candidates are of the same ethnic group. What do you do?
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Which of these is an input to the Collect Requirements process?
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