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You can use the following questions to test your knowledge of the information in Lesson 2, Troubleshooting Performance, Reliability, and Security Problems. The questions are also available on the companion CD if you prefer to review them in electronic form.
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Answers
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Answers to these questions and explanations of why each answer choice is right or wrong are located in the Answers section at the end of the book.
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1. How can you overlay two Performance Monitor windows A. Open Performance Monitor from within the Computer Management console. B. Run Perfmon /sys. C. Open the Reliability And Performance Monitor from Administrative Tools. Then, click the control box in the upper-left corner and select Compare. D. Open an elevated command prompt, and run Perfmon /compare.
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Monitoring Client Computers
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2. Which of the following built-in data collector sets could you use to monitor processor utilization (Choose all that apply.) A. LAN Diagnostics B. System Diagnostics C. System Performance D. Wireless Diagnostics 3. Which of the following built-in data collector sets could you use to generate a report that detailed malfunctioning hardware devices A. LAN Diagnostics B. System Diagnostics C. System Performance D. Wireless Diagnostics
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Lesson 3: Using Task Scheduler
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Lesson 3: Using Task Scheduler
In Windows Vista, Task Scheduler is useful for much more than running a program or script at a specific time of day. Task Scheduler now has the ability to respond to a variety of different triggers, including the operating system starting or stopping or specific events appearing in an event log. Besides simply running programs, Task Scheduler can now display a message to the user or send an e-mail. Additionally, the tool is more reliable, scalable, and secure than it was in earlier versions of Windows.
After this lesson, you will be able to: n Describe how Task Scheduler has improved in Windows Vista. n Use Task Scheduler to create a new task. n Use the SchTasks.exe command-line tool to create a new task. n Manage existing tasks with Task Scheduler. n Troubleshoot problems with scheduled tasks. Estimated lesson time: 20 minutes
Task Scheduler Improvements in Windows Vista
The most important improvements in the Windows Vista version of Task Scheduler are:
User interface As shown in Figure 6-11, the new Task Scheduler includes a completely
new interface. Task Scheduler now organizes tasks based on technology and provides a summary of previously run tasks and active tasks.
Figure 6-11 The new interface in Task Scheduler in Windows Vista
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Triggers In Windows Vista, Task Scheduler provides more flexible scheduling options,
including the ability to run a series of tasks one after another as a chain. You can schedule tasks to run when the computer shuts down or starts up. Failed tasks can be automatically retried. You can also run a task when an event that matches specific criteria is added to the event log. n Actions Besides simply running programs, scheduled tasks can display a message to the user or send an e-mail. n Security Task Scheduler now stores passwords using the Windows Vista Credentials Manager, helping to protect the credentials you configure to run tasks. n Manageability In Windows Vista, you can configure tasks to send an e-mail if the task fails. Additionally, Task Scheduler provides a detailed history of scheduled tasks. Task Scheduler still provides backward compatibility for tasks created in Windows XP and tasks created using the At command-line tool.
How to Create Tasks with the Task Scheduler Tool
To create a scheduled task, follow these steps: 1. Launch Task Scheduler by clicking Start, All Programs, Accessories, System Tools, and then Task Scheduler. Respond to the UAC prompt that appears. 2. Task Scheduler appears. 3. In the console tree, select and then right-click Task Scheduler. Click Create Task. 4. In the General tab of the Create Task dialog box, as shown in Figure 6-12, type a name for the task. You can configure the following security settings from this tab:
Figure 6-12 Using the General tab to configure security settings for a task
Lesson 3: Using Task Scheduler
By default, the task will run using the current user account with least privileges. To change the user, click the Change User Or Group button. To configure the task to run with elevated privileges (as if you had responded to a UAC prompt), select the Run With Highest Privileges check box. By default, new tasks run only when the user is logged on this enables the task to interact with the user if necessary. If the task can run without user interaction, select Run Whether User Is Logged On Or Not. This prevents tasks from displaying any user interface, which is useful if you are scheduling a script to run and you don t want the user to see the command prompt. If you select the Do Not Store Password check box, Task Scheduler will not store the credentials supplied on the local computer but will discard them after properly authenticating the user. When required to run the task, the Task Scheduler service will use the Service-for-User (S4U) extensions to the Kerberos authentication protocol to retrieve the user s token. Selecting the Do Not Store Password check box prevents the scheduled task from accessing network resources or encrypted files. Selecting the Do Not Store Password check box also requires that the user have the Log On As A Batch Job user right. If you want the task to not be visible by default in Task Scheduler, select the Hidden check box.
5. In the Triggers tab of the Create Task dialog box, click the New button to configure at least one trigger. If you don t configure a trigger, the task will never run (but you could launch it manually). You can configure the following security settings from the New Trigger dialog box, as shown in Figure 6-13:
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