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EMC E22-258 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Data Services and Protection | - Data protection mechanisms - Deduplication and compression concepts |
| 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 | - Provisioning storage to hosts - Monitoring and performance management - Troubleshooting and maintenance practices |
EMC XtremIO 3.x Flash Storage Solutions Sample Questions:
1. Which devices or components should all PSU-R cables be connected to in a dual cluster XtremIO system?
A) Rack power rails A and B
B) InfiniBand switches
C) Storage controllers
D) Two BBUs
2. What is the size of the data blocks sent to the SSDs after processing by the XtremIO storage controller if the XtremIO array is configured with 3.0.x code?
A) 1 KB
B) 8 KB
C) 4 KB
D) 2 KB
3. What is the purpose of the TECH port on an XtremIO system?
A) Connect to a storage controller or physical XMS and launch the easy-install configuration procedure
B) Connect to a storage controller or physical XMS and configure a virtual XMS management interface
C) Connect to a storage controller or physical XMS to configure the InfiniBand management interfaces
D) Connect to a storage controller or physical XMS and launch the customer GUI or CLI
4. Which technology is used in the XtremIO Snapshot feature?
A) Copy on First Write
B) Redirect on Write
C) Full data copy
D) Full metadata copy
5. An XtremIO storage array reports an overall efficiency of 10:1. Which combination of Deduplication Ratio (DR), Compression Ratio (C), and Thin Provisioning Saving (TPS) would achieve this efficiency?
A) DR = 5.0:1; CR = 1.0:1; TPS = 33%
B) DR = 2.5:1; CR = 2.0:1; TPS = 50%
C) DR = 5.0:1; CR = 1.0:1; TPS = 80%
D) DR = 2.5:1; CR = 2.0:1; TPS = 20%
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: B | Question # 3 Answer: A | Question # 4 Answer: B | Question # 5 Answer: B |
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