Answer / Kunwar Pratap Singh

The new three features of COM+ services that are not present in COM (Microsoft Transaction Server - MTS) are: 1. 'Object Pooling': It provides a way to reuse objects and reduce the overhead of object creation and destruction. This improves performance by eliminating the need for repeated instantiation of objects. 2. 'Event System': It allows asynchronous communication between objects, which can significantly improve application responsiveness and scalability. 3. 'Transactions': COM+ provides a more robust transaction management system compared to MTS. It supports two-phase commit protocol and distributed transactions, making it easier to manage complex business processes that span multiple databases.

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