MS2272 U3

1. Computer hardware profiles are an especially import feature for what type of computers?

A. Computers in a network environment
B. Computers in a domain
C. Stand-alone computers
D. Portable computers

2. Which of the following tools would you use to block the installation of unsigned files?

A. File Signature Verification
B. Driver Signing Options in the System Control Panel
C. System File Checker
D. Sigverif

3. Which of the following statements are true about hardware profiles in Windows XP Professional?

A. Windows XP Professional only prompts the user to select a hardware profile during startup if there are two or more profiles in the Available Hardware Profiles list.
B. It is a good idea to delete the default profile when you create a new profile to avoid confusion.
C. You can configure Windows XP Professional to always start the default profile by selecting the Do Not Display The Select Hardware Profile check box.
D. You can select the Wait Until I Select A Hardware Profile option to have Windows XP Professional wait for you to select a profile at startup.

4. Which of the following devices are not shown by default in Device Manager?

A. Devices sharing an IRQ
B. Phantom devices
C. Plug and play devices
D. Non-Plug and Play device

5. Windows XP Professional creates an initial profile during installation and assigns it the name of profile 1 (Current) in the list of hardware profiles available on the computer.

6. Adding processors to your system to improve performance is called Scaling.

7. DMAs(direct memory access) are channels that allow a hardware device, such as a floppy disk drive, to access memory dirctly, without interrupting the microprocessor.

8. Windows XP Professional automatically identifies Plug and Play devices and arbitrates their resource requests; the resource allocation among these devices is not permanent.

9. You get a call on the help desk from a user wondering why there is no Wireless Link icon in Control Panel on her desktop computer like the one on her laptop computers. What should you tell the user?

Answer: Tell the user that the Wireless Link icon appears in Control Panel only if she has already installed an infrared device on her computer. There must not be any infrared devices installed on her desktop computer.

10. Why would you install a hardware device manually?

Answer: If Windows XP Professional fails to automatically detect a hardware device.

11. why does Microsoft digitally sign the files in Windows XP Professional?

Answer: Windows XP Professional drivers and operating system files have been digitally signed by Microsoft to altered files. Some applications overwrite existing operating files as part of their installation process, which might cause system errors that are difficult to troubleshoot.