Which DTS object is used to schedule package execution?

The Job Scheduler is the correct answer because it is specifically designed to handle the scheduling of package execution within the DTS (Data Transformation Services) framework. This object allows users to define when and how often packages should run, making it essential for automating data transformations and ensuring timely data processing in various scenarios.

The Job Scheduler typically allows for flexibility in scheduling options, including one-time runs or recurring schedules, which is crucial for maintaining data workflows. This functionality is key in environments where data must be updated regularly or processed in response to specific events.

The other options, while they may seem related to scheduling, do not specifically pertain to scheduling the execution of DTS packages. The Task Scheduler generally refers to broader system tasks rather than package-specific tasks in DTS. The Execution Monitor is more about tracking the progress and status of package executions rather than scheduling them. The Event Scheduler may deal with operations in response to specific events but does not handle the direct scheduling of DTS package executions like the Job Scheduler does.