DS0-001 · Question #82
What technology may be used to perform disk-to-disk backups with systems designed to work only with tapes?
The correct answer is D. VTL. VTL (Virtual Tape Library) emulates physical tape drives and libraries using disk storage, allowing backup software designed exclusively for tape to write to disks without modification - giving you the speed and reliability of disk with full compatibility for tape-only systems…
Question
What technology may be used to perform disk-to-disk backups with systems designed to work only with tapes?
Options
- AJournaling
- BD2D
- CVLAN
- DVTL
How the community answered
(39 responses)- A5% (2)
- B3% (1)
- D92% (36)
Explanation
VTL (Virtual Tape Library) emulates physical tape drives and libraries using disk storage, allowing backup software designed exclusively for tape to write to disks without modification - giving you the speed and reliability of disk with full compatibility for tape-only systems.
- A (Journaling) is a filesystem technique for crash recovery, tracking changes before writing them - unrelated to backup media compatibility.
- B (D2D) stands for Disk-to-Disk and describes the concept of the backup type, but is not a technology that makes tape-only systems work with disks.
- C (VLAN) is a network segmentation technology - it has no role in storage or backup media translation.
Memory tip: Think "VTL = Virtual Tape Library" - it's a virtual layer that lies to tape-backup software, making disks look like tapes.
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