Which of the following can connect multiple VPCs and an on-premises network?

An organization is concerned that its IT help desk is receiving too many calls about password resets for various internal and external applications. The organization implements a SSO solution.
Which of the following technologies should the cloud architect at the organization recommend implementing?

Which of the following best describes a compute resource that has its own networking system, OS, CPU, and RAM running on physical hardware?

Which of the following would allow a cloud engineer to flatten a deeply nested JSON log to improve readability for analysts?

Which of the following strategies requires the development of new code before an application can be successfully migrated to a cloud provider?