A cross-functional team is a group of people with different skills and expertise who work together to achieve a common goal. A cross-functional team is beneficial for agile projects, as it enables the team to deliver value faster, collaborate better, and adapt to changing requirements and customer feedback. When a planned activity becomes more complex, the best approach is to have the cross-functional team work together to complete the activity, as this allows the team to leverage their diverse skills and knowledge, share ideas and solutions, and overcome challenges and risks. The team can also communicate and coordinate more effectively, and ensure that the quality and scope of the activity are met. This is part of the Execute Project Work process, which aims to perform the activities that produce the project deliverables. The other options are not the best choices because they do not utilize the full potential and capacity of the cross-functional team. The team facilitator gets support from external team members (option A) may introduce more complexity and dependency, as the external team members may not be familiar with the project context, objectives, and processes. The team members bring in a specialist to help them (option B) may be helpful, but it may also create a bottleneck and dependency, as the specialist may not be available or accessible when needed. The product owner moves it to the product backlog (option C) may delay the delivery and value of the activity, as the product backlog is a prioritized list of features and requirements that the team will work on in future iterations. It may also create dissatisfaction and frustration among the team and the customer. References:
* Project Management Professional (PMP) Reference Materials:
* A Guide to the Project Management Body of Knowledge (PMBOK Guide), Sixth Edition, Chapter 4: Project Integration Management, pp. 71-123
* Agile Certified Practitioner | PMI
* Professional in Business Analysis (PBA) Reference Materials:
* Business Analysis for Practitioners: A Practice Guide, Chapter 5: Requirements Elicitation and Analysis, pp. 79-80
* The Benefits of Cross-Functional Teams on Your Projects

For a project in a remote rural area, especially one nearing completion, the most effective communication method with the local community would likely be through newspapers. This approach is suitable for reaching a broad audience in a locality where digital communication channels like social media or email may not be as accessible or frequently used. Newspapers are a traditional and reliable means of communication that can effectively convey important updates to all segments of the local population, including those who may not have access to or prefer not to use digital media.
The PMBOK Guide emphasizes the need to tailor communication methods to the stakeholders' needs and the context of the project1. It suggests that the format of communication should depend on the type of stakeholder, and various ways should be tailored to each group1. This is supported by the Professional in Business Analysis (PBA) reference materials, which advocate for the analysis of stakeholder needs and the selection of an engagement approach that best suits stakeholders' needs for effective communication and collaboration2.

The servant leader project manager should explore a training program that is within the project budget for the team members. This is the best option because it shows the project manager's commitment to developing the team's skills and capabilities, as well as addressing the project's needs. A training program can help the team members acquire the technical skills required for the upcoming tasks, as well as increase their motivation and confidence. This option also aligns with the servant leadership principle of "commitment to the growth of people"1.
The other options are not as effective as option D. Option A is not supportive and may demoralize the team members. Option B is not collaborative and may disrupt the team dynamics. Option C is not proactive and may damage the project manager's credibility. References: 1: PMBOK Guide, 7th edition, page 63

When a quality issue that requires a change to the quality standard is encountered in a project, and there is currently no budget available for the required changes, the project manager should check the change management plan. The change management plan is a part of the project management plan and it documents how changes will be monitored and controlled throughout the lifecycle of the project. It provides a process for managing changes and their impact on the project's objectives. In this case, the change management plan would provide guidance on how to handle a situation where a change to the quality standard is required but there is no budget available for the changes. References: Project Management