One of your users calls in to the support team and reports that they did not receive an email that they were expecting from a customer. While investigating with the user, the support team was unable to locate the message in the inbox, the trash, or spam labels. They have escalated to you for troubleshooting. You navigate to the Email Log Search to determine the cause, and find that it successfully reached G Suite systems. What is the likely cause of this issue?

Your organization migrated to G Suite and has been using an on-premises third-party SSO for authentication. Suddenly, users cannot access their accounts, and they are receiving the following error message: "This service cannot be accessed because your login credentials have expired. Please log in and try again." What should you do?

After migrating to G Suite, your legal team requests access to search all email and create litigation holds for employees who are involved with active litigation. You need to help the legal team meet this request.
What should you do?

Your company recently migrated to G Suite and wants to deploy a commonly used third-party app to all of finance. Your OU structure in G Suite is broken down by department. You need to ensure that the correct users get this app.
What should you do?

Ursa Major Solar is writing test methods.
Which functionality does the system method "runAs()" verify?