New PMP Question & Answers with explanation

You have met with your project sponsor who told you that you must complete the project by the end of the year, no exceptions. This should be included in the project scope statement as a:
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You are carrying out a project for an external customer. Most of the project’s scope of work is outsourced and distributed among many subcontractors. What would be the role of the Direct and Manage Project Work process in this scenario?
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In regards to WBS, which of the following is the correct way to decompose the project scope?
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You are building a dam for a state government. Your organization is considered a specialist in dam design and overall management of construction activities. However, your organization lacks resources to execute the earth-works involved. You have subcontracted all the project’s earth-works to a local subcontractor. The quality of the subcontractor’s work is acceptable, but the subcontractor is not conforming to your organization’s health and safety standards. You escalated this to the subcontractor’s project manager, but he turned down your request. The subcontractor’s project manager is of the view that the request is out of the contract’s scope and none of the contract provisions require him to conform to your organization’s standards. You are agitated since you believe health and safety standards are globally accepted, and the contract does not have to explicitly state them. Further, according to the state law, you cannot terminate the contract since the subcontractor has not vio
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Why must the Validate Scope process be completed in a project?
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