Calriion Solutions Specialist Exam E20-520 (8)

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20. What describes a CLARiiON method of maintaining data integrity?
A. PSM LUN
B. Read cache
C. Background verify
D. Reserved LUN pool
Answer: C

21. When does idle flushing occur in the CLARiiON?
A. When the LUN is in an idle state
B. When the cache dirty pages have no more room for the next I/O
C. When the array is in an idle state and the dirty cache pages are above the high watermark
D. When the cache dirty pages reach the low watermark directly after forced flushing and the system is in an idle state
Answer: A

22. Which RAID type is supported by CLARiiON?
A. RAID 2
B. RAID 3
C. RAID 4
D. RAID S
Answer: B