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EMC E20-816 Exam Syllabus Topics:

EMC Symmetrix Solutions Expert Exam for Technology Architects Sample Questions:

1. A company uses VMware ESXi Servers and Symmetrix VMAX storage arrays. Which EMC Virtual Storage Integrator feature will show an end-to-end mapping of storage resources; from an ESXi LUN all the way to the Symmetrix VMAX volume?

A) Unified Storage Management
B) Storage Viewer
C) Storage Pool Management
D) Symmetrix SRA Utilities

2. A data warehouse team is reporting poor performance on their batch reports. The database runs on a Solaris host connected to a DMX-4 array with Fibre Channel drives sized to support a sequential read workload. Which ratio in Performance Manager metrics would be most useful in diagnosing the performance issue?

A) I/O per second vs. Average sampled read time
B) KBytes read per second vs. I/O per second
C) Read % vs. Write %
D) Prefetched tracks per second vs. Tracks not used per second

3. During Symmetrix VMAX performance analysis, you notice that a collection of VMAX devices has a front-end I/O rate that is much lower than its back-end I/O rate. What might be the reason for this?

A) Front-end ports are faster than the back-end ports.
B) Workload has a high percentage of read hits.
C) Host is striping the data across all of the devices.
D) Devices are RAID 5 protected.

4. Click on the calculator icon in the upper left corner.
A customer is implementing an Exchange environment on an EMC Symmetrix VMAX. The environment will be deployed on 600 GB FC 15K drives using RAID 1 data protection. The application generates 1350 I/O per second and has a 2:1 read/write ratio.
What is the minimum number of drives recommended to support the application?

A) 12
B) 16
C) 8
D) 30

5. A customer has asked, what would be the biggest advantage of implementing an ASM, Oracle 11g application on an existing EMC Symmetrix array?

A) Add volumes to the ASM disk group, will re-stripe the data across all target Oracle volumes.
B) Added volumes to an ASM instance would re-balance all existing Oracle objects automatically.
C) Add new volumes to the ASM disk group will enable the DBA to issue an ASM rebalance command.
D) Add volumes to the ASM disk group, will automatically re-stripe the data across the target Timefinder/Clone volumes.

Solutions: