CompTIA A+ Core 2 (220-1202)Operating SystemsHard

A system administrator is preparing to deploy a new Windows Server operating system. They need to choose a file system that supports very large volumes (up to 256 TB), provides built-in data integrity features, and is optimized for virtualization workloads. Which file system best meets these requirements?

  1. AexFAT
  2. BReFS
  3. CFAT32
  4. DNTFS
Show answer & explanation

Correct answer: B. ReFS

ReFS (Resilient File System) is designed for high data integrity, scalability to extremely large volumes, and is optimized for virtualization workloads and data resilience, making it ideal for servers.

Why the other options are wrong

  • A. exFAT is designed for flash drives and external storage, offering cross-platform compatibility but lacking the enterprise features needed for a server OS.
  • C. FAT32 has severe limitations on file and volume size, making it unsuitable for server environments.
  • D. NTFS is robust but ReFS offers superior data integrity features and scalability for modern server and virtualization needs.

Resilient File System (ReFS)

A Microsoft proprietary file system designed to maximize data availability, scale efficiently to large data sets, and provide data integrity across various workloads.

  • Optimized for virtualization workloads.
  • Features integrity streams for data corruption detection and correction.
  • Supports very large volumes (up to 256 TB in Windows Server 2019/2022).

Memory trick: ReFS is resilient and ready for big servers.

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