AZ-104 Question 146
Select 3You are an Azure administrator for a financial services company. One of your VMs is experiencing performance bottlenecks on its OS disk, which is currently a Standard HDD. You need to upgrade the OS disk to Premium SSD with minimal downtime. Which steps must you perform to complete this upgrade?
- A
Stop (deallocate) the VM
- B
Change the disk type to Premium SSD
- C
Resize the disk to at least twice its current capacity
- D
Adjust the disk type to Ultra Disk
- E
Start the VM again
Show answer and explanation
Correct answers: A, B, E
Explanation
To upgrade the OS disk from Standard HDD to Premium SSD, you must first deallocate the VM, then update the disk type to Premium SSD, and finally start the VM again. Resizing the disk or switching to Ultra Disk are not required steps for this specific upgrade scenario.
- A. Correct.
Deallocating the VM is required before changing the disk type on the OS disk.
- B. Correct.
Changing the disk type to Premium SSD provides better performance compared to Standard HDD.
- C. Incorrect.
Resizing the disk is optional and not strictly required to upgrade from Standard HDD to Premium SSD.
- D. Incorrect.
Ultra Disk is a different disk offering, and not needed in this scenario.
- E. Correct.
After making the disk change, you must start the VM again to complete the process.