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You are tasked with designing an identity and access management solution for a multinational corporation that uses a mix of SaaS, PaaS, IaaS, hybrid, and multicloud resources. Describe in detail how you would approach this task, considering the integration of identity, networking, and application controls across these diverse environments.
Explanation:
Option B is the most effective approach as it ensures a consistent identity management strategy across all service types, facilitating easier administration and security policy enforcement. A unified identity provider simplifies user access management and enhances security by applying consistent controls across all environments.