Match the NSO component with its respective roles or tasks.

CDB

Core Engine

Device Manager

Service Manager

Handles all operations within the transaction manager, including event logging$,$ performing validation, authentication, and rollback management

Stores NSO's own configuration, the configuration of all services, copies of the configuration of all managed devices, and all operational data specific to NSO

$$Simplifies device interface integration and handles device configuration scenarios

Is in charge of service modeling using YANG, mapping to device models using templates or

Java$/$Python code and service management activities