Exam Name: Symmetrix Solutions Expert Exam for Technology Architects
Certification Provider: EMC
Corresponding Certification: Technology Foundations
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EMC E20-816 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Storage Provisioning and Management | - Device masking and mapping
|
| Troubleshooting and Advanced Concepts | - System diagnostics and error handling
|
| SRDF and Replication Technologies | - Remote replication operations
|
| Symmetrix / VMAX Architecture Fundamentals | - Storage array concepts and configuration
|
EMC Symmetrix Solutions Expert Exam for Technology Architects Sample Questions:
Refer to the exhibit.
A customer has a three-site configuration, where Site-A is running critical production applications, Site-B receives data from Site-A in SRDF/S mode and is used exclusively for disaster recovery. Site-C is a new location designed to receive data from Site-B using Cascaded SRDF. During the initial establish of data between Site-B and Site-C, significant performance issues were encountered at Site-A. What action should be taken to improve Site-A performance?
- A. Use different RF-ports on Site-C
- B. Use separate RF-ports between Site-B and Site-C
- C. Use SRDF/S mode from Site-B to Site-C
- D. Use SRDF/acp_dsk mode from Site-A to Site-B
Correct Answer: B 🗳️
Which change in a Symmetrix VMAX workload will typically result in an increase in the read hit rate?
- A. Spread the workload over more devices
- B. Increase in the I/O size
- C. Increase in locality of reference
- D. Increase in the percentage of read I/Os
Correct Answer: C 🗳️
You have been tasked with gathering performance data for a clustered Microsoft SQL server database that will be migrated to a Symmetrix VMAX. Which Perfmon counter must you measure prior to designing a disk layout?
- A. Physical Disk\Avg. Disk Bytes/sec
- B. Physical Disk\Disk Write Bytes/sec
- C. Logical Disk\Avg. Disk sec/Write
- D. Logical Disk\Disk Writes/sec
Correct Answer: D 🗳️
During monthly loads of a data warehouse, the customer observes significant increased response time on their OLTP database. Both applications reside on the same tier-1 storage and are replicated using the same SRDF/S links. During these high utilization periods, which tool can be used to give preference to servicing the OLTP database I/O?
- A. Symm Optimizer
- B. Symmetrix Priority Controls
- C. SymQOS
- D. Delta Set Extensions
Correct Answer: B 🗳️
A customer requested a point-in-time replica of their Oracle database. You have architected a TimeFinder/Clone environment to meet the customer's requirements. However, the customer immediately notices that queries against the production database are noticeably slower than normal. Which recommendation helps minimize this performance impact?
- A. Re-create the clone pair using the differential option
- B. Create a TimeFinder/Snap session off R2 volumes
- C. Create a newTimeFinder/Clone session using the precopy flag
- D. Re-create a new TimeFinder/Clone session off R2 volumes
Correct Answer: C 🗳️
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