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EMC E22-258 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: XtremIO Architecture and Components | - XtremIO storage array architecture - X-Bricks and clustering concepts - XtremIO Management Server (XMS) |
| Topic 2: Data Services and Protection | - Data protection mechanisms - Deduplication and compression concepts |
| Topic 3: Installation and Setup | - Hardware installation tasks - Initial configuration of XtremIO systems - Pre-installation site validation requirements |
| Topic 4: Operational Management | - Provisioning storage to hosts - Troubleshooting and maintenance practices - Monitoring and performance management |
EMC XtremIO 3.x Flash Storage Solutions Sample Questions:
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 = 5.0:1; CR = 2.0:1; TPS = 66%
- B. DR = 2.5:1; CR = 4.0:1; TPS = 30%
- C. DR = 4.0:1; CR = 2.5:1; TPS = 70%
- D. DR = 3.0:1; CR = 2.0:1; TPS = 50%
On an XtremIO system with a dual X-Brick topology, which hardware device should be in the upper-most position?
- A. DAE 2
- B. Storage Controller 4
- C. Battery Backup Unit 2
- D. InfiniBand switch
Why does XtremIO thin provisioning cause no performance degradation?
- A. All metadata is kept in Storage Controller SSDs
- B. SSDs perform metadata writes at sub-millisecond latency
- C. All metadata is kept in Storage Controller RAM
- D. SSDs perform metadata reads at sub-millisecond latency
In an XtremIO quad X-Brick cluster, what is the required number of BBUs?
- A. 4
- B. 8
- C. 2
- D. 6
What is the number of BBUs required for an XtremIO dual X-Brick cluster?
- A. 4
- B. 8
- C. 2
- D. 6
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