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EMC E22-258 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| XtremIO Architecture and Concepts | 25% | - Data efficiency technologies: deduplication, compression, thin provisioning - Hardware and software components overview - XMS (XtremIO Management Server) functionality - Scale-out architecture and X-Brick components |
| Provisioning and Data Services | 25% | - Volume creation, mapping, and presentation - Data-at-Rest Encryption (D@RE) implementation - Snapshot management and space efficiency - Replication configuration and disaster recovery |
| Management, Monitoring and Performance | 20% | - Performance monitoring and optimization - XtremIO GUI and CLI administration - Alerting, logging and system health checks - Integration with VMware and other hypervisors |
| Maintenance and Troubleshooting | 10% | - Support log collection and diagnostics - Component replacement and cluster expansion - Software upgrades and patching - Common issues and troubleshooting procedures |
| Installation and Initial Configuration | 20% | - Storage controller and network connectivity - Physical and virtual XMS deployment - Cluster setup and networking configuration - Initial system configuration and licensing |
EMC XtremIO 3.x Flash Storage Solutions Sample Questions:
1. What is a performance best practice for FC zoning in XtremIO environments?
A) Use port-based zoning with multiple initiators and targets per zone
B) Use WWPN-based zoning with one initiator per zone
C) Use port-based zoning with one initiator and one target per zone
D) Use WWPN-based zoning with multiple initiators per zone
2. What is the number of BBUs required for an XtremIO dual X-Brick cluster?
A) 8
B) 6
C) 4
D) 2
3. 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) 64
B) 256
C) 128
D) 32
4. How does VMware HA protect the XtremIO Management Server (XMS)?
A) Runs two XMS VMs in lock-step mode for redundancy
B) Restarts XMS VM on another host if a host failure occurs
C) Maintains copies of the XMS VM data on two datastores for redundancy
D) Migrates XMS VM data to another datastore if a storage failure occurs
5. How many disk failures will XtremIO Data Protection (XDP) allow in a DAE?
A) Up to six sequential SSD failures; subsequent failures cause data loss
B) One disk failure; a second simultaneous failure causes data unavailability
C) One disk failure per private RAID Group; the system shuts down if a second occurs
D) Two simultaneous disk failures; the system shuts down if a third occurs
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: D | Question # 3 Answer: A | Question # 4 Answer: B | Question # 5 Answer: B |
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