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EMC Symmetrix Solutions Expert Exam for Technology Architects Sample Questions:

1. A large customer has a formal Capacity and Performance Management (CPM) department. This customer's business users describe the environment as both good and challenged. They are acutely aware when there are performance short-falls or insufficient storage resources available. How would you categorize this Performance Management style?

A) Actively Observant
B) Proactive Style
C) Reactive Style
D) Casually Observant

2. An SRDF/Star customer wants to move their production from the current workload site to one of the target sites. Which operational step is necessary before executing the symstar halt command?

A) Ensure that both targets are in the disconnected state
B) Ensure that all host I/O is stopped
C) Execute a symstar switch command
D) Ensure that both targets are in the isolated state

3. A customer reports their hosts are performing slowly after migration to a new VMAX array.
You review performance data from the VMAX and note the following:
-I/O sizes are 16 KB.
-The front-end director ports are operating at 1 GB auto-negotiate.
-Several front-end director ports are approaching 100% utilization.
-A few director ports show little or no utilization.
What do you advise the customer?

A) Add more HBAs to each host accessing the VMAX and consider setting the host I/O size to 8 KB or less.
B) Rebalance the hosts across all available FA ports and consider upgrading the SAN switch ports to 2 GB or higher.
C) Reduce the number of hosts that are accessing the VMAX and consider implementing iSCSI connectivity.
D) Rebalance the hosts across all available FA ports and consider setting the front-end director ports to 2 GB or higher.

4. Click on the calculator icon in the upper left corner. A new Oracle database is being deployed on a 4-engine VMAX array. The DBA requests 2TB of usable capacity.
Which configuration will best distribute database workload across the back-end Disk Adapters (DAs) while avoiding host queing?

A) 2 x 4-way meta devices using 50GB members
B) 5 x 400GB devices
C) 1 x 24-way meta device using 100GB members
D) 4 x 16-way meta devices using 32GB members

5. 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) 75th percentile
B) 90th percentile
C) Overall Average
D) Overall Peak

Solutions: