Answer: Microsoft Sentinel

Microsoft Sentinel is the correct choice because it is Azure's cloud-native SIEM (Security Information and Event Management) and SOAR (Security Orchestration, Automated Response) solution specifically designed to collect, analyze, and automatically respond to security events from various sources including Azure Active Directory. The community discussion shows 100% consensus on option A, with multiple comments highlighting that Sentinel integrates with Azure AD through built-in connectors, provides real-time security analytics, threat detection, and automated response capabilities. Azure Synapse Analytics (B) is for big data analytics, not security monitoring. Azure AD Connect (C) is for synchronizing on-premises directories with Azure AD. Azure Key Vault (D) is for secrets management, not security event analysis.

Author: LeetQuiz Editorial Team