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Real EMC E22-258 practice exam questions for easy pass!
Updated: Sep 12, 2026
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EMC E22-258 Exam Overview:
| Certification Vendor: | Dell EMC |
|---|---|
| Exam Name: | XtremIO 3.x Flash Storage Solutions Exam |
| Exam Number: | E22-258 |
| Real Exam Qty: | 71–78 |
| Available Languages: | English |
| Related Certifications: | E20-526 Specialist - Technology Architect, XtremIO Solutions and Design Exam E20-368 Specialist - Implementation Engineer, XtremIO Solutions Exam |
| Exam Format: | Multiple-choice |
| Sample Questions: | EMC E22-258 Sample Questions |
| Exam Way: | Delivered through Dell Technologies Proven Professional program via authorised testing partners (Pearson VUE/OnVUE). |
| Pre Condition: | Recommended experience with Dell EMC storage platforms and enterprise storage fundamentals. |
EMC E22-258 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Installation and Setup | - Initial configuration of XtremIO systems - Pre-installation site validation requirements - Hardware installation tasks |
| Topic 2: Operational Management | - Provisioning storage to hosts - Monitoring and performance management - Troubleshooting and maintenance practices |
| Topic 3: Data Services and Protection | - Data protection mechanisms - Deduplication and compression concepts |
| Topic 4: XtremIO Architecture and Components | - XtremIO storage array architecture - XtremIO Management Server (XMS) - X-Bricks and clustering concepts |
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 = 4.0:1; CR = 2.5:1; TPS = 70%
- B. DR = 5.0:1; CR = 2.0:1; TPS = 66%
- C. DR = 3.0:1; CR = 2.0:1; TPS = 50%
- D. DR = 2.5:1; CR = 4.0:1; TPS = 30%
Correct Answer: B 🗳️
Which XMCLI command is used to determine if a FC initiator is registered but not part of an initiator group?
- A. show-initiators-performance
- B. show-initiators-connectivity
- C. show-discovered-initiators-connectivity
- D. show-initiator-groups
Correct Answer: C 🗳️
What should be configured to support XtremIO arrays on Solaris hosts?
- A. A maximum queue depth of 1024 for SSDs
- B. System-wide parameters in the /etc/ssd file
- C. A timeout value of 150 ms for SSD operations
- D. SSD parameters in the /etc/system file
Correct Answer: D 🗳️
What should I/O elevators be configured to for XtremIO storage?
- A. optimize
- B. random
- C. lowseek
- D. noop
Correct Answer: D 🗳️
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. 5.3:1
- B. 4.8:1
- C. 0.6:1
- D. 1.8:1
Correct Answer: A 🗳️
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