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Hitachi HAT-050 Exam Syllabus Topics:

Hitachi Data Systems Qualified Associate - Storage Concepts Sample Questions:

1. A customer has a large number of high performance database servers with DAS. They are concerned about isolated data and would also like to re-assign unused storage to avoid additional expenditure and to minimize unexpected loss of access to data. Which solution satisfies the requirements?

A) Attach all servers directly to their storage.
B) Add a NAS option to the storage and deliver data using file services.
C) Implement a DAS RAID 5 solution for the database servers.
D) Attach all servers and storage to redundant SAN fabrics.

2. What are two advantages of duplexed write cache? (Choose two.)

A) It enables RAID disk mirroring.
B) It improves application performance.
C) It prevents data loss if a cache module fails.
D) It enables striping of cache data.

3. Which three RAID levels provide redundancy? (Choose three.)

A) RAID 0
B) RAID 0 + 0
C) RAID 0 + 1
D) RAID 1 + 0
E) RAID 1

4. Which type of tiered data requires a storage infrastructure that provides reasonable performance and availability and must recover within 8 hours of a failure?

A) business-critical data
B) nearline data
C) offline data
D) mission-critical data

5. What are the two ways a storage system implements virtualization? (Choose two.)

A) cross-band
B) in-band
C) cascaded
D) out-of-band

Solutions: