ECSS Question #30: Real Exam Question with Answer & Explanation

Jason works as a System Administrator for Company Inc. The company has a Windows-based network. Sam, an employee of the company, accidentally changes some of the applications and system settings. He complains to Jason that his system is not working properly. To troubleshoot the problem, Jason diagnoses the internals of his computer and observes that some changes have been made in Sam's computer registry. To rectify the issue, Jason has to restore the registry. Which of the following utilities can Jason use to accomplish the task? Each correct answer represents a complete solution. Choose all that apply.