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EMC Symmetrix Solutions Expert Exam for Technology Architects Sample Questions:

1. A new EMC customer recently installed their first VMAX and a complete suite of EMC management tools. Their lead capacity planner attended training and has started monitoring the VMAX. You receive a call and this person describes the measurements observed. During the period of heaviest workload, reported throughput on certain Fibre Channel ports is nearing 150,000 KB/second but those ports display only about 10% utilization. What is the likely cause?

A) I/O block size is very large
B) Striped metavolumes report invalid IOPS
C) I/O block size is very small
D) Sequential prefetch skews throughput %

2. Prior to creating your Symmetrix VMAX architecture for SQL, you are given a Perfmon Log view containing data for your database LUN. The file contains read and write IOPS collected over the past week, at 3-minute intervals.
Which method should you use to determine the correct IOPS target for calculating the appropriate number of RAID corrected spindles?

A) 90th percentile
B) Overall Peak
C) Overall Average
D) 75th percentile

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

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

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

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

5. What is a write pending slot in a Symmetrix VMAX?

A) Any cache slot with data written from the host
B) A cache slot with data that has not yet been destaged to disk
C) A cache slot that the host is about to write to
D) A cache slot that is yet to be replicated to the remote array

Solutions: