98-365 Question #347: Real Exam Question with Answer & Explanation

The correct answer is A: It offers better performance by eliminating the fragmentation associated with the growing file.. Fixed-size VHDs have a set amount of hard disk space and that amount does not change. Fixed size means that each VHD is set to a specific hard drive storage space and that space is taken by the system even if the VHD is less than what is set. As an example, if 16GB is designated

Question

Which of the following statements best describe the features of a fixed-size VHD? Each correct answer represents a complete solution. Choose two.

Options

AIt offers better performance by eliminating the fragmentation associated with the growing file.
BIt has a set amount of hard disk space and that amount does not change.
CIt uses the space that is being used currently by the VHD.
DIt provides a way to set up the VHD if hard drive space is limited on the server.

Explanation

Fixed-size VHDs have a set amount of hard disk space and that amount does not change. Fixed size means that each VHD is set to a specific hard drive storage space and that space is taken by the system even if the VHD is less than what is set. As an example, if 16GB is designated to a fixed-size VHD, then all 16GB will be taken by VHD on the hard disk immediately - regardless of how much the system is actually using. However, the fixed-size VHD option offers better performance by eliminating the fragmentation associated with the growing file. Answer: C and D are incorrect. Dynamic VHDs only use the space that is being used currently by the VHD. So if a dynamic VHD is set to 20GB but the VHD is currently using only 10GB, then 10 GB is all that is currently being used by the dynamic VHD. This is the way that a user wants to set up his VHD if hard drive space is limited on the server.

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