New PMP Question & Answers with explanation

Ben is the project manager for a mobile application development project. Due to a recent technological development, a significant change in the product design is required. This change would require a 25 percent increase in the project budget. Ben prepares a detailed report and emails it to the project sponsor, and the sponsor acknowledges the receipt of the report. What should Ben do next?
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Some project managers take communication lightly while managing a project. However, a good project manager must take communication very seriously and must be an effective and efficient communicator. Which of the following is not a fundamental attribute of effective communication?
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Sandra is managing a complex ERP design and implementation project. The project team has recently been hired. It is an enterprise-wide project affecting many stakeholders. It is very important for each team member to properly understand and follow the project communication requirements in order to keep the stakeholders engaged and informed. Which of the following tools and techniques can Sandra use to ensure that team members properly understand the project’s communications requirements?
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Robert is managing a construction project. The project's client is responsible for the design, while Robert’s organization is responsible for the construction. There has been a 45-day delay on a couple of major structure designs. This delay can only be recovered through crashing and will cost $2 million in addition to the approved budget. Robert prepares a detailed report and emails it to the client. In this scenario, Robert’s email to the client is an example of:
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Along with the project communications management plan, work performance reports are vital inputs to the Manage Communications process. Where do these work performance reports come from?
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