The Professional Scrum Master (PSM) and Professional Scrum Product Owner (PSPO) certifications are globally recognized credentials that demonstrate a strong understanding of Scrum and Agile principles, as well as the ability to apply them in real-world situations. Both certifications are offered by Scrum.org, an organization that provides training and resources for professionals who want to learn more about Scrum and Agile methodologies.

There are three levels of PSM certification: PSM I, PSM II, and PSM III. The PSM I certification is the entry-level certification and is focused on the basics of Scrum and Agile. It is designed for individuals who are new to Scrum or who want to deepen their understanding of the framework. To earn the PSM I certification, you must pass a 80-question assessment that covers the fundamentals of Scrum and Agile.

The PSPO I certification is also an entry-level certification, but it is focused specifically on the role of the Product Owner in Scrum. The PSPO I certification is designed for individuals who are responsible for defining and prioritizing the features and functions of a product. To earn the PSPO I certification, you must pass a 80-question assessment that covers the key concepts and responsibilities of the Product Owner role.

The main advantage of being PSM I or PSPO I certified is that it demonstrates to potential employers or clients that you have a strong foundation in Scrum and Agile principles. It shows that you are committed to continuous learning and professional development, and that you are capable of applying Scrum and Agile principles in a real-world setting. Additionally, the certification process helps you to deepen your understanding of Scrum and Agile and to develop the skills needed to be an effective Scrum Master or Product Owner.