EMC E22-258 valid exam dumps : XtremIO 3.x Flash Storage Solutions Exam

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EMC E22-258 Exam Syllabus Topics:

EMC XtremIO 3.x Flash Storage Solutions Sample Questions:

1. Which encryption-mode parameter indicates the XtremIO cluster is encrypted?

A) Encryption-Mode=self
B) Encryption-Mode=enable
C) Encryption-Mode=on
D) Encryption-Mode=1

2. Why does XtremIO thin provisioning cause no performance degradation?

A) SSDs perform metadata writes at sub-millisecond latency
B) All metadata is kept in Storage Controller RAM
C) All metadata is kept in Storage Controller SSDs
D) SSDs perform metadata reads at sub-millisecond latency

3. 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 = 3.0:1; CR = 2.0:1; TPS = 50%
B) DR = 5.0:1; CR = 2.0:1; TPS = 66%
C) DR = 4.0:1; CR = 2.5:1; TPS = 70%
D) DR = 2.5:1; CR = 4.0:1; TPS = 30%

4. Which environment consists primarily of small, random I/O with high amounts of redundant data, ideal for XtremIO?

A) Backup and recovery
B) Replication
C) Database and analytics
D) Virtual server

5. Which resource should be used for any installation procedures performed on an XtremIO system?

A) EMC Community
B) EMC Powerlink
C) SolVe
D) Salesforce.com

Solutions: