CompTIA Cloud+ Practice Test

To alleviate critically low shared storage space after creating numerous virtual machines, what can you do?

1. Thin-provision the virtual machines

2. Thick-provision the virtual machines

3. Delete unused virtual machines

4. Upgrade storage devices

The correct answer is: Thin-provision the virtual machines

Thin provisioning is an efficient storage allocation method that helps alleviate critically low shared storage space. When you thin provision a virtual machine, you allocate only the necessary storage space required for the virtual machine’s current use, rather than reserving the entire designated space upfront. This allows for a more economical use of available storage, as you can create more virtual machines without immediately consuming vast amounts of disk space. As virtual machines grow and require more disk space, thin provisioning allows them to expand dynamically while freeing up unused allocated space on the storage device. This approach is particularly valuable in environments where multiple virtual machines operate simultaneously, as it maximizes storage efficiency and delays the necessity for additional physical storage until absolutely required. In contrast, thick provisioning allocates the entire specified storage capacity for each virtual machine at the time of creation. This method can quickly lead to a lack of available storage if many virtual machines are created, as it permanently reserves the allocated space regardless of actual usage. Additionally, deleting unused virtual machines may temporarily free up space, but does not prevent future storage issues if new VMs are continually provisioned in a thick manner. Upgrading storage devices can be a solution, but it often incurs higher costs and might not be immediately feasible. In sum, thin provisioning optim