CompTIA Cloud+ Practice Test

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What type of storage does not survive a virtual machine shutdown?

Durable
RAID
Ephemeral
Tiered

The correct answer is: Ephemeral

The type of storage that does not survive a virtual machine shutdown is ephemeral storage. Ephemeral storage is designed to be temporary and is typically associated with virtual machines that use cloud computing environments. When a virtual machine is powered off or terminated, any data stored in ephemeral storage is lost. This characteristic makes it suitable for transient workloads where data persistence is not necessary, such as temporary files or cache data. In contrast, durable storage maintains data even after the virtual machine is shut down, making it suitable for applications requiring data retention. RAID (Redundant Array of Independent Disks) is a method used to combine multiple disk drives for redundancy and performance, ensuring data remains intact regardless of VM status. Tiered storage refers to a storage strategy that uses multiple types of media (e.g., SSDs and HDDs) based on performance and cost, and it usually provides a persistent layer for data storage. Overall, ephemeral storage's transient nature is what distinguishes it from the other types of storage mentioned.