CompTIA A+® Certification All-In-One For Dummies®, 2nd Edition

4.7. Answers

1. C. defrag.exe rearranges data on your disk so that access to files is faster. By allowing your disk to perform reads of data in contiguous blocks, it takes less time to read files. See "diskpart.exe and Disk Management".

2. C. chkdsk.exe fixes minor problems with files that are stored on your hard drive and can also test and verify the clusters on your drive. Review "chkdsk.exe (Check Disk)".

3. D. regedit.exe is the editor for Windows XP computers. If you are using Windows 2000, you can use either regedit.exe or regedt32.exe, but with Windows XP, if you run regedt32.exe, you will actually open regedit.exe. Peruse "regedit.exe".

4. A. Export Registry File from the Registry menu will export a section of your Registry. Take a look at "regedit.exe".

5. C. Registry import files must be straight text. Notepad and many other programs that edit text files add different characters to handle carriage returns and line feeds. This can create files that will not be imported through regedit.exe. Peek at "edit.com".

6. D. system, sam, security, and ntuser.dat, in addition to software, are the files that make up the Registry. All of the files are found in <%systemroot%>\system32\config, with the exception of ntuser.dat, which is found in each user's profile directory. Look over "regedit.exe".

7. D. Only Windows NT, Windows 2000, and Windows XP use regedt32.exe. Study "regedt32.exe".

8. C. Device Manager will tell you what resources are being used by which devices. Refer to "Device Manager".

9. A. wscript.exe