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testpassport e20-520 Questions and Answers (9)

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33. A customer is performing a data in place upgrade from an existing CX300 to a CX3 model. Which feature will maximize the 4 Gb/s technology?
A. Increased drive count
B. Auto-sensing front-end ports
C. Ability to retain existing DAEs
D. Increased number of back-end buses
Answer: D   
34. If a LUN has a write-aside setting of 2048, which host I/O size will bypass write cache?
A. 1024 KB
B. 1024 blocks
C. 2048 KB
D. 2048 blocks
Answer: C   
 
35. A host writes one 128 KB I/O to a 4+1 RAID 5 LUN that is aligned. How many physical disks will be involved in the back-end I/O?
A. 2
B. 3
C. 4
D. 5
Answer: B   
 
36. If a LUN has a write-aside setting of 1023, which host I/O size will bypass write cache?
A. 256 KB
B. 256 blocks
C. 512 KB
D. 512 blocks
Answer: C   

 

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