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EMC E22-258 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Data Services and Protection | - Deduplication and compression concepts - Data protection mechanisms |
| Topic 2: Installation and Setup | - Initial configuration of XtremIO systems - Pre-installation site validation requirements - Hardware installation tasks |
| Topic 3: XtremIO Architecture and Components | - X-Bricks and clustering concepts - XtremIO storage array architecture - XtremIO Management Server (XMS) |
| Topic 4: Operational Management | - Troubleshooting and maintenance practices - Provisioning storage to hosts - 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 = 2.5:1; CR = 4.0:1; TPS = 30%
- B. DR = 4.0:1; CR = 2.5:1; TPS = 70%
- C. DR = 3.0:1; CR = 2.0:1; TPS = 50%
- D. DR = 5.0:1; CR = 2.0:1; TPS = 66%
Correct Answer: D 🗳️
How many SSDs are located in each XtremIO storage controller?
- A. 0
- B. 4
- C. 1
- D. 2
Correct Answer: D 🗳️
XtremIO storage is assigned to a host. If the host has the HBA execution throttle set to 256, what effect will this have on the system?
- A. Aggregate queue depth for all HBA ports will be set to 256
- B. Each LUN visible to the port will have a queue depth set to 256
- C. Queue depth for each HBA port will be set to 256
- D. Each LUN visible to the port will have a queue depth set to 256 / <# HBA ports>
Correct Answer: C 🗳️
The XtremIO Management Server (XMS) reports that an XtremIO cluster has a compression ratio of 1.7:1 and a deduplication ratio of 3.1:1. What is the reported data reduction ratio?
- A. 4.8:1
- B. 5.3:1
- C. 1.8:1
- D. 0.6:1
Correct Answer: B 🗳️
Which document should be downloaded and completed to verify the customer's site meets the requirements for installing an XtremIO storage system?
- A. XtremIO Storage Array Hardware Installation and Upgrade Guide
- B. XtremIO Storage Array Pre-installation Checklist
- C. XtremIO Storage Array Installation Summary Form
- D. XtremIO Storage Array Software Installation and Upgrade Guide
Correct Answer: B 🗳️
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