Which component is responsible for DB2 startup and shutdown?

System Services component is responsible for handling DB2 startup and shutdown.

In IBM DB2, the Database Manager (DBM) is responsible for the startup and shutdown of the DB2 instance. The DBM is a component that manages the overall operation of a DB2 database system. It is responsible for coordinating activities such as instance startup, instance shutdown, and managing configuration parameters.

Therefore, the correct answer to the question “Which component is responsible for DB2 startup and shutdown?” is the Database Manager (DBM).