Scrum is an agile way to manage a project, usually software development. It’s a popular methodology that is used across the globe by SMEs and multinationals .Scrum addresses complexity in work by making information transparent, so that people can inspect and adapt based on current conditions, rather than predicted conditions. In simple terms; when working with a Scrum methodology, start with what is known and then track the progress, changing your actions as needed .If you haven’t encountered Scrum, achieving the certification will teach you the skills needed to apply it effectively.
*There is no mandatory prerequisite for most of the SCRUM certifications, it is always better to understand the hierarchy structure. The diagram below shows you what is the preferred as well as optional certification to move to the next level