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EMC E22-258 Exam Syllabus Topics:

EMC XtremIO 3.x Flash Storage Solutions Sample Questions:

1. Why do the 10 TB and 20 TB XtremIO X-Bricks have a different logical:physical capacity ratio?

A) 800 GB SSDs do not support inline compression
B) Storage Controllers on 20 TB X-Bricks have a more efficientdeduplication algorithm
C) 400 GB SSDs do not support inline compression
D) Storage Controllers on 20 TB X-Bricks keep more SSD metadata in memory

2. Which VAAI feature can prevent blue screens on Microsoft Windows VMs that use XtremIO storage?

A) Space Reclamation
B) Extended Copy
C) TPSTUN
D) Atomic Test and Set

3. Which command can be issued to verify the configuration of ESRS and Connect-Home?

A) show-syr-notifier
B) show-syslog-notifier
C) show-esrs-configuration
D) show-connect-home

4. An XtremIO storage array reports an overall efficiency of 30:1. Which combination of Deduplication Ratio (DR), Compression Ratio (CR), and Thin Provisioning Saving (TPS) would achieve this efficiency?

A) DR = 4.0:1; CR = 2.5:1; TPS = 70%
B) DR = 2.5:1; CR = 4.0:1; TPS = 30%
C) DR = 5.0:1; CR = 2.0:1; TPS = 66%
D) DR = 3.0:1; CR = 2.0:1; TPS = 50%

5. What is the recommended disk provisioning policy for VM virtual disks on XtremIO storage arrays?

A) Thick Provision Lazy Zeroed
B) Thick Provision Eager Zeroed
C) Thin Provision Eager Zeroed
D) Thin Provision Lazy Zeroed

Solutions: