schedule task problem

You work as the network administrator of test.com. All servers run on win 2003 and clients win xp. A client computer named res1 is a part of research department. You are going to a conference with research department. You have been instructed to schedule a few task for one time on res1 when you are in conference. You want the tasks to be deleted when res1 is finished running the tasks. What should you do?

1.       The task will be deleted by default on res1
2.       On res1, use Group policy
3.       On res1, modify the configuration settings of each task
4.      On res1, reconfigure the default settings that are defined for the scheduled tasks wizard.