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entity service

utility service

wrapper service

None of the above.

service agent

service contract

service activity

None of the above.

redundantly deployed services

service agents that perform load-balanced access to services that are not redundantly deployed C. compositions that compose redundantly deployed services

core service logic contained within services that do not rely on the redundantly deployed service

Although the Logic Centralization pattern addresses the question of how to avoid redundant service logic, it does not address how the logic should be accessed.

The Contract Centralization pattern specifies how to access a service through its published contract, but it does not indicate which services should be accessed for specific purposes.

When the Logic Centralization and Contract Centralization patterns are applied together, they realize the Official Endpoint pattern because they effectively establish an official endpoint for a service.

All of these statements are true.