solved Please answer the questions provided below and provide a small

Please answer the questions provided below and provide a small reflection on the topics mentioned below? The topics mentioned are covered in chapters 11 and 12. Please focus on the questions, the reflection can be small. Please use the same text book that was sent previously.
The total paper should have 450+ words.

What are the practical implications internally (in terms of team motivation) and externally (for the customer) of making overly optimistic project delivery promises?
It has been argued that a project schedule that has not been resource-leveled is useless.  Do you agree or disagree with this statement?  Why or why not?

Topics for reflection:
Chapter 11: Advanced Topics in Planning and Scheduling: Agile and Critical Chain
Learning Objectives

Understand why Agile Project Management was developed and its advantages in planning for certain types of projects.
Understand the key features of the Extreme Programming (X P) planning process for software projects.
Understand the logic behind Theory of Constraints and its implications for Critical Chain scheduling.
Distinguish between critical path and critical chain project scheduling techniques.
Understand how critical chain methodology resolves project resource conflicts
Apply critical chain project management to project portfolios.

Chapter 12: Resource Management?
Learning Objectives

Recognize the variety of constraints that can affect a project, making scheduling and planning difficult.
Understand how to apply resource-loading techniques to project schedules to identify potential resource overallocation situations.
Apply resource-leveling procedures to project activities over the baseline schedule using appropriate prioritization heuristics.
Follow the steps necessary to effectively smooth resource requirements across the project life cycle.
Apply resource management within a multiproject environment.