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EMC E20-816 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Business Continuity Solutions | - SRDF Replication Technologies - Failover and Disaster Recovery Design |
| Topic 2: Performance and Optimization | - Tuning and Best Practices - Workload Analysis |
| Topic 3: Symmetrix Architecture and Components | - Hardware Architecture Overview - Enginuity Operating Environment - Cache and Back-end Design |
| Topic 4: Storage Provisioning and Management | - Device Configuration Concepts - LUN Creation and Masking |
| Topic 5: Troubleshooting and Administration | - System Monitoring Tools - Common Fault Isolation Techniques |
EMC Symmetrix Solutions Expert Exam for Technology Architects Sample Questions:
You are planning the deployment of a new Symmetrix VMAX array for two different applications. The two applications should not share back-end directors, ports, or disks. How should you allocate the storage for the two applications?
- A. Allocate devices from different disk groups
- B. Allocate devices from disks residing on different storage bays
- C. Allocate devices from different disks
- D. Allocate devices that are managed by different engines
Correct Answer: D 🗳️
Click on the calculator icon in the upper left corner. A customer would like to add a new database application to their VMAX. This application is expected to produce 3000 I/O per second with 45% read hit and 25% write. The customer expects to use RAID 5 (3+1) on new drives that are not yet utilized. These drives perform 100 SCSI commands per second (read/writes) at 100% utilization.
Assuming drive utilization should not exceed 70%, how many physical drives, excluding hot spares, does the customer need to achieve performance requirements?
- A. 32 disks
- B. 48 disks
- C. 56 disks
- D. 68 disks
Correct Answer: C 🗳️
An existing 2-engine VMAX array has 192 x 450GB 15K Fibre Channel drives in a single Virtual Provisioning pool. Two Linux database hosts are connected to the array and both are running PowerPath.
Host oradb01 is connected to the E0 FA ports on each director and is meeting the customer performance SLA. Host oradb02 is connected to the G0 FA ports on each director - and for the past 3 days this host has been experiencing poor performance during peak activity in the afternoons.
What steps do you take to identify likely bottlenecks?
- A. Run iostat -x in order to compare I/O size and read/write ratio of the two hosts
- B. Open a case with EMC Support and upload Oracle Statspack information
- C. Use SMC to check for Virtual Pool alerts, use SPA to measure drive response times
- D. Check the host for queued I/Os, use SPA to examine I/O size and utilization on the G0 FA ports
Correct Answer: D 🗳️
Which database workload is suitable for EFD configuration?
- A. DSS database with high sequential write activity
- B. Database objects with random read workload
- C. Oracle Online redo logs and archive log file
- D. Database objects with pure sequential workload
Correct Answer: B 🗳️
A customer is planning a new Exchange 2010 environment on their EMC VMAX. The customer asks how they can backup volumes containing active mailbox databases. What do you advise the customer?
- A. Only Replication Manager or a third-party Exchange-aware VSS-based application can be used.
- B. Use the VSS plug-in that ships with Exchange 2010 or Replication Manager.
- C. Custom backup scripts will need to be created.
- D. Only the VSS plug-in that ships with Exchange 2010 can be used.
Correct Answer: B 🗳️
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