Answer / Navneet Kuamr

{"Three significant features of COM+ services that were not present in COM (including MTS) are:
1. Object Pooling: Object pooling allows objects to be created and managed by the runtime, reducing the overhead of creating new objects for each request. This improves performance and scalability.
2. Transaction Support: COM+ supports distributed transactions out-of-the-box, allowing multiple resources (databases, message queues, etc.) to participate in a single transaction. This ensures data consistency across systems.
3. Security Enhancements: COM+ provides built-in security features such as role-based security, authorization policies, and method-level authorization, which help developers create more secure applications.}

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