Risk is inherent in all activities and managing risk is critical to a successful portfolio. Risks perspectives differ within the organization between executive management, operations management, portfolio management and project/program management. When it comes to Portfolio management, which of the following is a risk concern?

A portfolio manager is approached by a key stakeholder of a large portfolio. In order to achieve the organization's strategy and objectives, the stakeholder requests a high-level plan that shows the portfolio's internal and external dependencies.
The portfolio manager should provide the key stakeholder with a portfolio:

As you prepare a list of possible components for your railroad to consider since most of its programs and projects are large and complex, your management team has suggested in your analysis of which components to pursue that you conduct statistical simulations of budgets, schedules, and resource allocations. You therefore decide to use:

One of the junior portfolio managers learned that she needs to use the roadmap as an input to the portfolio management plan development. She does not understand why, and she came to you for advice. What is your advice to her?

Which type of analysis determines the effect of changing one or more factors of the portfolio?