Which of the following are common virtual machine disk file formats? (Multiple choice)

Question

Options

• AVDl
• BCIFS
• CVHD
• DRAW

• A
  77% (20)
• B
  23% (6)

Explanation

VDI (Virtual Disk Image), VHD (Virtual Hard Disk), and RAW are all established VM disk formats: VDI is the native format for Oracle VirtualBox, VHD is Microsoft's format used by Hyper-V and Azure (with its successor VHDX), and RAW is an uncompressed bit-for-bit disk image widely supported by QEMU/KVM and other hypervisors. These three represent the core spectrum of VM storage - proprietary optimized formats and a universal baseline format.

CIFS (Common Internet File System) is the wrong answer because it is a network file-sharing protocol (an extension of SMB), not a disk image format - it defines how files are accessed over a network, not how a virtual disk is structured or stored.

Memory tip: Think of actual disk containers vs. network protocols - if it ends in FS or P (filesystem/protocol), it's not a disk format. VDI, VHD, and RAW all describe a file that acts like a physical hard drive, which is the key characteristic of a VM disk format.

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