Pop Quiz

Pop Quiz: Deploying Windows 7

Applies to the "Deploying Windows 7" objective of Exam 70-680 TS: Windows 7 Configuration.

Q: Which type of Windows 7 Virtual Hard Disk (VHD) file offers the best performance?

  1. Native Boot
  2. Fixed
  3. Dynamically expanding
  4. Differencing

Answer and explanation is below.

Answer is B: A fixed VHD has an allocated size that does not change, and when created, a fixed VHD that is 100GB will be approximately 100GB regardless of the data that is written to it -- offering the best performance. When a dynamically expanding disk is expanded, the host volume could run out of space and cause write operations to fail. Dynamically expanding VHDs are useful in nonproduction environments, where storage requirements often change.

Quick Tip: A Windows 7 Native Boot VHD can be used as the running operating system without any other operating system installed on the computer. A Windows 7 image can be deployed to the VHD and it can be copied to multiple computers -- BCDEdit can be used to boot directly to the VHD.

References:

Bonus Question: What are the 3 categories available with Windows 7 AppLocker policies? (Tweet your answer with #pop680b and get a chance to win a Redmond t-shirt! Deadline for entries is Wednesday, May 16.)

Answer to last week's bonus question: A user can use the Windows 7 Backup and Restore Center to restore a single file after using the Windows 7 Disk Management console to Create VHD, Initialize Disk, and then New Simple Volume.

About the Author

Andy Barkl, MCT/MCITP/MCSA, A+, Network+, Security+, CCNA has been studying technology for 30 years. Of the last 15 years, he has spent much of his time parting the knowledge and experience he has gained through IT exams, over 300, to help others be prepared and successful. He teaches classes in Phoenix, Ariz. where he has lived most of his life. He can be reached by e-mail at andy.barkl@gmail.com.

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