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Hitachi Data Systems Qualified Associate - Storage Concepts Sample Questions:

1. What are three examples of unstructured content data? (Choose three.)

A) internal data structures such as logical volumes and pools
B) medical images such as MRI scans and x-rays
C) electronic assets such as presentations, e-mails and design documents
D) digital media such as music and video files
E) databases such as Oracle and SAP

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

3. A company is experiencing performance problems when accessing a critical database across their SAN.
Which two methods would the storage administrator use to improve performance when accessing the database application? (Choose two.)

A) Load the entire database into cache.
B) Duplicate the database.
C) Use cache partitioning to segregate the database.
D) Increase application server memory cache.

4. What are two reasons why implementing iSCSI using TCP/IP is a good alternative to Fibre Channel for data storage? (Choose two.)

A) iSCSI must run on a dedicated network isolated from other IP traffic.
B) iSCSI can use the existing Ethernet infrastructure.
C) iSCSI can provide access to storage over long distances.
D) iSCSI has less overhead than Fibre Channel.

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

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

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