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EMC E22-258 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Installation and Initial Configuration | 20% | - Physical and virtual XMS deployment - Initial system configuration and licensing - Storage controller and network connectivity - Cluster setup and networking configuration |
| Provisioning and Data Services | 25% | - Snapshot management and space efficiency - Volume creation, mapping, and presentation - Replication configuration and disaster recovery - Data-at-Rest Encryption (D@RE) implementation |
| XtremIO Architecture and Concepts | 25% | - Hardware and software components overview - Data efficiency technologies: deduplication, compression, thin provisioning - Scale-out architecture and X-Brick components - XMS (XtremIO Management Server) functionality |
| Management, Monitoring and Performance | 20% | - Integration with VMware and other hypervisors - Alerting, logging and system health checks - XtremIO GUI and CLI administration - Performance monitoring and optimization |
| Maintenance and Troubleshooting | 10% | - Software upgrades and patching - Component replacement and cluster expansion - Common issues and troubleshooting procedures - Support log collection and diagnostics |
EMC XtremIO 3.x Flash Storage Solutions Sample Questions:
1. Which environment consists primarily of small, random I/O with high amounts of redundant data, ideal for XtremIO?
A) Database and analytics
B) Replication
C) Backup and recovery
D) Virtual server
2. A host with two HBAs is zoned to an XtremIO two X-Brick cluster through two FC switches. Which zone set meets the requirements for high availability?
A) Switch 1: HBA0 to X1-SC1-FC1, X1-SC1-FC2, X2-SC1-FC1, X2-SC1-FC2 Switch 2: HBA1 to X1-SC2-FC1, X1-SC2-FC2, X2-SC2-FC1, X2-SC2-FC2
B) Switch 1: HBA0 to X1-SC1-FC1, X1-SC1-FC2, X2-SC2-FC1, X2-SC2-FC2 Switch 2: HBA1 to X1-SC2-FC1, X1-SC2-FC2, X2-SC1-FC1, X2-SC1-FC2
C) Switch 1: HBA0 to X1-SC2-FC1, X1-SC2-FC2, X2-SC1-FC1, X2-SC1-FC2 Switch 2: HBA1 to X1-SC1-FC1, X1-SC1-FC2, X2-SC2-FC1, X2-SC2-FC2
D) Switch 1: HBA0 to X1-SC1-FC1, X1-SC2-FC1, X2-SC1-FC1, X2-SC2-FC1 Switch 2: HBA1 to X1-SC1-FC2, X1-SC2-FC2, X2-SC1-FC2, X2-SC2-FC2
3. Why does XtremIO thin provisioning cause no performance degradation?
A) All metadata is kept in Storage Controller RAM
B) SSDs perform metadata reads at sub-millisecond latency
C) SSDs perform metadata writes at sub-millisecond latency
D) All metadata is kept in Storage Controller SSDs
4. What is the recommended disk provisioning policy for VM virtual disks on XtremIO storage arrays?
A) Thin Provision Lazy Zeroed
B) Thick Provision Eager Zeroed
C) Thick Provision Lazy Zeroed
D) Thin Provision Eager Zeroed
5. What is a characteristic of XtremIO D@RE?
A) Compressed data cannot be encrypted
B) Self-encrypting drives perform the encryption
C) XtremIO Storage Controller performs the encryption
D) Deduplicated data cannot be encrypted
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: D | Question # 3 Answer: A | Question # 4 Answer: B | Question # 5 Answer: B |
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