7. You are an administrator for a company that has 25 Windows 2000 Professional, you schedule a computer to run an important application later. Since this task is very important, you decided to enable the notification of miss tasks. You Open Task Scheduler On the Advanced menu, and then check the Notify Me of Missed Tasks checkbox on that computer. At the end of the day, you go back to that computer and found that the task you schedule never run, yet you never receive any notification, when you view the log of past scheduled tasks, you found that nothing is there. What are the likely reason that you never been notified about the miss tasks?

A. You should not check the notify me of missed tasks checkbox to receive notifications.
B. The task was not scheduled to run under the security context that has the permission to execute the task.
C. The task scheduler service was not started.
D. The messenger service that send the notifications are not started

In this case, the log show that nothing is running, that mean the schedule service may not start at all and not running any of the tasks. You should check the notify me of missed tasks checkbox to receive notifications, hence A is incorrect. The log never shows that a task fail to run due to security issue, hence B is also incorrect. Finally since no task is missed, no message will be sent, hence it is not the problem of the messenger service.

Answer: C

References:
http://www.microsoft.com/windows2000/en/professional/help/agent_notify.htm
http://www.microsoft.com/windows2000/en/professional/help/ts_troubleshoot.htm

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12. To increase the performance of your Windows 2000 Professional computer, you install another Processor to your computer. However the system respond time is not been improved at all. You use system monitor to gather some data and found that your first processor is still running at near 90% of it capacity. When you investigate the processes running in that computer, you found that there are some Win16-based applications running together with Win32-based application. Which of the following can improve the performance of the system? (Choose all that apply)

A. Increase the priority of the processes that are running in the memory.
B. Run your Win16-based application at separate memory space.
C. Update the standard PC device driver to MPS Multiprocessor PC driver using the device manager.
D. Rewrite the Win16-Based application to Win32-based application that support multiple processor.

To use the second processor you added, you need to update the standard PC device driver in the device manager to MPS Multiprocessor PC driver. By default Win16-based application will run in the same memory space, however, you can configure them to run in separate memory space to increase the stability of your system. When you run all Win16-based application in the same memory space, if one of them hang, the rest of the win16-based will all hang. However you will not gain any performance improvement by doing so. By rewriting the application from 16-bit to 32bits, the program can then utilised both of the processor. Increasing the priority of the process will increase a speed of a process but will not increase the overall system performance as the amount of CPU time can be utilised is still the same.

Answer: C,D

References:
http://www.microsoft.com/windows2000/en/professional/help/devmgr_upgrade_to_multiprocessors.htm

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14. You have a Windows 2000 Professional with two Physical Drive. Both of the hard disk are formatted with NTFS with Drive C: being the system partition and drive D: being used for storing data. When you run several memory intensive application together, you noticed that the system performance degraded significantly especially when you retrieve some information from Drive C:. How do you improve the respond time of Drive C: to achieve a better performance?
(Choose all that apply)

A: Reconfigure the paging file from drive C to drive D.
B. Set the initial size of virtual memory equal to the maximum size of the virtual memory.
C. You should set the paging file in C: so that it is near to the where the system files reside.
D. You should decrease the maximum size of the virtual memory so that it won't occupy so much disk space.

Virtual memory is a hard disk space that is used as main memory when your physical memory is running out. When that happen, some of the processes in the real memory will be moved to the virtual memory. To optimise your system, you can move the virtual memory to any disk in your computer other than the disk that contain your operating system. This will help to improve the system performance as your system can access to your operating system files at the same time read or write to the paging file in another hard disk. When you set the paging file size, you have an option to set the initial and maximum size. The initial size setting will tell your system to create a paging file based on that size regardless of whether the space is used or not. The maximum size, however, tell the system that if the initial size is not enough, how much the system can allocated further. If you set the initial size equal to the maximum size, then your system will reserve more disk space for virtual memory and lose some hard disk space. However, the performance of your system will increase as the paging file already allocated and do not need any further dynamic allocation that will consume some overhead in your computer. Also paging file that is dynamically allocate might be fragmented and cause the disk access slowing down.

Answer: A,B

References:
http://www.microsoft.com/windows2000/en/professional/help/sysdm_advancd_perform_change_vmpagefile.htm

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24. You are an administrator for a company that has 25 Windows 2000 Professional. At one of the computer, you implement a normal backup every Monday night follow by an incremental backup on the day after Monday. On Friday, you try to power on that Windows 2000 Professional PC but the hard disk fail. Replace the Hard disk and reinstall the Windows 2000 Professional. Based on the backup log given, what is the latest data you can restore back?

Monday - normal backup, completed
Tuesday - incremental backup, completed
Wednesday - incremental backup, incomplete
Thursday - incremental backup, completed

A. Monday
B. Tuesday
C. Wednesday
D. Thursday

A normal backup will backup all files you specified without concerning whether the files have been backup before or not. This type of backup will also mark the files that it has backup as backup by clearing the status flag of the archive bit. Some time, it is call full backup. An incremental backup will backup files that have been changed since the last normal backup and incremental backup(including new files). This type of backup will mark the files it has backup as backup by clearing the status flag of the archive bit. Because of that, any files that backup by incremental backup will not be backup again on the next incremental backup.
In this case, the Wednesday incremental backup failed, hence no files were backup and the status flag of those files changed are remain the same. As such, the Thursday backup will backup the changes since the last successfully backup that is based on Tuesday backup. To restore the data, we should restore the normal backup first and then follow by the incremental backup on Tuesday and Thursday.

Answer: D

References:
http://www.microsoft.com/windows2000/en/professional/help/types_of_backup.htm

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25. You are an administrator for a company that has 25 Windows 2000 Professional. One of the Windows 2000 Professional Computer is used to store all files that have been saved by the network users and your management want you to make sure that in case of disk failure, they can recover back the work they save the day before the crash. You want to achieve the requirement set by your management at the same time make sure that the backup time can be minimised as well as you can bring the system back quickly if the system crash. What backup strategy should you implement?

A. Weekly normal backup and daily incremental backup of system state data, all program and data files.
B. Monthly normal backup and daily incremental backup of system state data, all program and data files.
C. Daily normal backup of system state data, all program and data files.
D. Monthly normal backup and daily differential backup of system state data, all program and data files.
E. Weekly normal backup and daily differential backup of data files.

A normal backup will backup all files you specified without concerning whether the files have been backup before or not. This type of backup will also mark the files that it has backup as backup by clearing the status flag of the archive bit. As it backup all files regardless of its status flag of the archive bit, it take very long to complete a normal backup. Some time, it is call full backup. An incremental backup will backup files that have been changed since the last normal backup and incremental backup(including new files). This type of backup will mark the files it has backup as backup by clearing the status flag of the archive bit. Because of that, any files that backup by incremental backup will not be backup again on the next incremental backup and consume less time compare to differential backup and normal backup.
A differential backup will backup files that have been changed since the last normal backup or newly added. This type of backup, however, will not mark the files it has backup as backup by clearing the status flag of the archive bit. Because of that, any files that backup by differential backup will be backup again on the next differential backup and consume more time compare to differential backup and normal backup. For this case, we want to recover our system quickly after its fail hence we should backup all program and data files and all system state data which contain our registry and other important system related information. With that we can restore the system quickly later. We also need to minimise the backup time, since incremental backup only files changed before last incremental of normal backup, we can backup our files daily using this method. Using monthly normal backup will reduce the frequency of normal backup from four to one a month but you need to have many incremental backup disks because restoration of incremental backup needs any backup after the normal backup to be restored. Hence this is not a good answer.

Answer: A

References:
http://www.microsoft.com/windows2000/en/professional/help/types_of_backup.htm

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