Explanation
The purpose of the Define Portfolio process is to create an up-to-date list of qualified portfolio components by identifying, categorizing, scoring, and ranking portfolio components. This process is required to produce an organized portfolio for ongoing evaluation, selection, and prioritization. On the other hand, the purpose of Optimize Portfolio process is to optimize and balance the portfolio for performance and value delivery, which is the correct answer in our case

Explanation
Conflicting standards need a firm decision to take and the decision should be based on the best possible aggregated and consolidated data that the decision makers will base their recommendations upon. The quantitative method brings the most accurate data between all other options.

Explanation
Graphical methods include risk vs. return charts, histograms, pie charts, and other methods to visualize the portfolio. In addition, Bubble Charts are often used by organizations to balance and monitor their portfolios

Explanation
The roadmap does not include all of the portfolio components, it is used as a high-level timeline. The roadmap may not provide details of all identified portfolio components, but can be used to build details later

Explanation
Enterprise environmental factors may constrain portfolio management options and may have a positive or negative influence on the outcome. Enterprise environmental factors include, but are not limited to:
Organizational governance processes, culture, and detailed hierarchy structure; Legal constraints; Governmental or industry standards (e.g., regulatory agency regulations, codes of conduct, product standards, quality standards, and workmanship standards); Infrastructure (e.g., existing facilities and capital equipment); Existing human resources (e.g., skills, disciplines, and knowledge, such as design, development, law, contracting, and purchasing); Personnel administration (e.g., hiring and firing guidelines, employee performance reviews, and training records); Marketplace conditions; Portfolio management information system (i.e., tools, manual or automated, for information collection and distribution to support the portfolio management processes); Commercial databases (e.g., standardized cost estimating data, industry risk study, and information and risk databases); Organizational project management; and Stakeholder risk tolerances