They are, i can say this to the point that i was hooked on giving them regularly and without any qualms. This helped me score good and also complete the Microsoft Security, Compliance, and Identity Fundamentals certificate exam SC-900 easily.
Overview of Microsoft Security, Compliance, and Identity Fundamentals SC-900 Certification
For anyone just beginning in security which requires to familiarize themselves with basics of security, compliance, and identity over cloud-based and associated Microsoft services, the SC-900: Microsoft Security, Compliance, and Identity Fundamentals exam should be the first exam to pass.