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EMC Symmetrix Solutions Expert Exam for Technology Architects Sample Questions:

1. 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 separate RF-ports between Site-B and Site-C
B) Use different RF-ports on Site-C
C) Use SRDF/acp_dsk mode from Site-A to Site-B
D) Use SRDF/S mode from Site-B to Site-C

2. Which SRDF function is managed by RDF Enginuity Consistency Assist?

A) SRDF/A Multi-session consistency cycle switching
B) SRDF/A Multi-session consistency cleanup
C) SDDF session management
D) SRDF/S consistency

3. A customer has a Symmetrix VMAX array. Symmetrix back-end utilization is about 70%. They would like to increase their workload by 10%. What would be the expected change in the response time due to the increased workload?

A) Less than 10%
B) Greater than 10%
C) 10%
D) Remain the same

4. Click on the calculator icon in the upper left corner.
A new storage request is submitted for the production instance of an new application from development. The request is for 3 x 200GB LUNs on a recently purchased VMAX array.
While discussing the request with the application team they mention that performance of their test environment has been poor during load testing on an existing DMX-4 array. You check Performance Manager statistics for the DMX-4 and discover that they are using 3 x 100GB LUNs for testing and they are sometimes reaching Device Write Pending.
What will best avoid the Write Pending issue in production?

A) Allocate 3 x 4-way striped meta devices using 200GB hypers
B) Allocate 3 x 200GB devices and reduce the System Write Pending limit to 70%
C) Allocate 3 x 4-way striped meta devices using 50GB hypers
D) Allocate 3 x 200GB devices and increase the Device Write Pending limit to 10%

5. What does basic Symmetrix performance knowledge allow you to do?

A) Plan for power outages
B) Provide better pricing on small and mid-range array models
C) Install planned microcode upgrades without experiencing downtime
D) Advise customer on configuration issues that might affect workload

Solutions: