What element is unique to ISO 9660 images compared to typical hard drive file systems?

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Multiple Choice

What element is unique to ISO 9660 images compared to typical hard drive file systems?

Explanation:
ISO 9660 images use an El Torito boot extension that introduces a Boot Catalog. This catalog is a small table inside the ISO that guides the system’s firmware to the boot image on the disc, enabling boot from optical media. Hard drives, by contrast, boot from a boot sector or EFI partition on the disk, not from a boot catalog. Master File Table is a feature of NTFS, Directory Entries exist in many file systems, and UNIX-style permissions (as in ext4) are not part of the basic ISO 9660 standard. So the Boot Catalog is the element uniquely associated with ISO 9660 images.

ISO 9660 images use an El Torito boot extension that introduces a Boot Catalog. This catalog is a small table inside the ISO that guides the system’s firmware to the boot image on the disc, enabling boot from optical media. Hard drives, by contrast, boot from a boot sector or EFI partition on the disk, not from a boot catalog. Master File Table is a feature of NTFS, Directory Entries exist in many file systems, and UNIX-style permissions (as in ext4) are not part of the basic ISO 9660 standard. So the Boot Catalog is the element uniquely associated with ISO 9660 images.

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