New PMP Question & Answers with explanation

You are a project manager for a growing dairy farm business. It offers organic dairy products regionally and is expanding its operations to the West Coast. It's in the process of purchasing and leasing dairy farm businesses to get operations underway. The subproject manager in charge of network operations has reported some hardware problems to you. You're also having problems coordinating and integrating other elements of the project. Which of the following statements is true?
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You are a project manager for a growing dairy farm business. It offers organic dairy products regionally and is expanding its operations to the West Coast. It is in the process of purchasing and leasing dairy farm businesses to get operations underway. You are in charge of the network operations part of this project. An important deadline that depends on the successful completion of the testing phase is approaching. You've detected some problems with your hardware in the testing phase and discover that the hardware is not compatible with other network equipment. You are empowered to take corrective action and exchange the hardware for more compatible equipment. Which of the following statements is true?
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Your organization is embarking on a long-term project that will require additional human resources on a contract basis to complete the work of the project. Since the project will span several years, you know one vendor probably can't supply all the resources you'll need over the course of the contract. However, you want to work with only one vendor throughout the project to minimize the number of procurement documents you'll have to produce. So, you'll specify in your procurement documents that contractors will have to form partnerships to work on this project. You know all of the following are true regarding this question except for which one?
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Which of the following best characterizes Six Sigma as it relates to quality?
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You work for a furniture manufacturer. Your project is going to design and produce a new office chair. The chair will have the ability to function as a regular chair and also the ability to move its occupant into an upright, kneeling position. The design team is trying to determine the combination of comfort and ease of transformation to the new position that will give the chair the best characteristics while keeping the costs reasonable. Several different combinations have been tested. This is an example of which of the following techniques?
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