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EMC E22-258 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Provisioning and Data Services | 25% | - Data-at-Rest Encryption (D@RE) implementation - Volume creation, mapping, and presentation - Replication configuration and disaster recovery - Snapshot management and space efficiency |
| Topic 2: Maintenance and Troubleshooting | 10% | - Common issues and troubleshooting procedures - Component replacement and cluster expansion - Support log collection and diagnostics - Software upgrades and patching |
| Topic 3: Management, Monitoring and Performance | 20% | - Integration with VMware and other hypervisors - Alerting, logging and system health checks - Performance monitoring and optimization - XtremIO GUI and CLI administration |
| Topic 4: XtremIO Architecture and Concepts | 25% | - Scale-out architecture and X-Brick components - Data efficiency technologies: deduplication, compression, thin provisioning - Hardware and software components overview - XMS (XtremIO Management Server) functionality |
| Topic 5: Installation and Initial Configuration | 20% | - Initial system configuration and licensing - Physical and virtual XMS deployment - Storage controller and network connectivity - Cluster setup and networking configuration |
EMC XtremIO 3.x Flash Storage Solutions Sample Questions:
1. 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) 0.6:1
C) 1.8:1
D) 4.8:1
2. Which document requires customer interaction and confirmation of XtremIO installation components?
A) XtremIO Storage Array Site Preparation Guide
B) XtremIO Storage Array Installation Summary Form
C) XtremIO Upgrade Services Guide
D) XtremIO Simple Support Matrix
3. Which command can be issued to verify the configuration of ESRS and Connect-Home?
A) show-esrs-configuration
B) show-syslog-notifier
C) show-connect-home
D) show-syr-notifier
4. Based on best practices, what is the correct 'lun-queue-depth' setting for a XtremIO array if the target port has four LUNs and the 'tgt-queue-depth' is 256?
A) 32
B) 128
C) 64
D) 256
5. Which alerts can be selected when an XtremIO volume is created?
A) Small IO (< 8 kB), VAAI TP
B) Small IO (< 8 kB), VAAI SR
C) Small IO (< 4 kB), VAAI TP
D) Small IO (< 4 kB), VAAI SR
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: A | Question # 3 Answer: D | Question # 4 Answer: C | Question # 5 Answer: C |
