220-801 · Question #623
Which of the following media types is BEST for backups of very large storage systems?
The correct answer is D. Tape. Magnetic tape (e.g., LTO) offers the highest capacity and lowest cost-per-gigabyte of any backup medium, with modern LTO-9 cartridges holding up to 45 TB compressed. Tape is specifically designed for sequential large-scale backup and archival workloads. Blu-Ray tops out around…
Question
Options
- ABlu-Ray
- BCD-ROM
- CDVD
- DTape
How the community answered
(42 responses)- A2% (1)
- B2% (1)
- D95% (40)
Explanation
Magnetic tape (e.g., LTO) offers the highest capacity and lowest cost-per-gigabyte of any backup medium, with modern LTO-9 cartridges holding up to 45 TB compressed. Tape is specifically designed for sequential large-scale backup and archival workloads. Blu-Ray tops out around 100 GB per disc, DVD at ~8.5 GB, and CD-ROM at ~700 MB - none of which are practical for very large storage systems.
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