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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 I/O rates on certain Fibre Channel ports is nearing 2,000/second but those ports only display about 10% utilization. What is the likely cause?

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

2. When utilizing shared storage within a VMware vSphere 5.0 environment, what type of storage should swap files be placed on?

A) Thin Provisioned
B) Eager Zero Provisioned
C) Virtual Provisioned
D) Thick Provisioned

3. A customer is using Replication Manager to make local TimeFinder/Clone backups of their Exchange 2010 environment. The customer reconfigured the Exchange environment to place the logs on the L:\ drive and mount the database on L:\SG1DB1. They updated the associated Replication Manager replica job to reflect the change. The customer reports the mount of the database to the backup server now fails. What do you advise the customer?

A) Nested mount points are not supported with Replication Manager.
B) The database replica must be part of the same replica job as the logs.
C) A separate application set must be configured for the database.
D) Additional clone targets need to be added to the storage pool.

4. Click on the calculator icon in the upper left corner. Refer to the exhibit.

You are designing the Symmetrix VMAX architecture for a DAS-to-SAN SQL Server migration. Currently all user databases reside on a single locally attached disk enclosure, mounted to "M:\". You have decided on RAID-1 protected 15,000 RPM drives for the new SQL environment.
Last week, you configured Perfmon to record the current IOPS load of the databases during the 8-hour business day, Monday thru Friday as shown in the exhibit. During an average business day, the transaction log processes 43 GB worth of data.
Following EMC best practices, which discount can be taken from the overall write IOPS, when calculating for the database writes?

A) 392
B) 989
C) 196
D) 597

5. A large customer has a formal Capacity and Performance Measurement (CPM) department. Some of this customer's business users describe the environment as good, while others describe the environment as challenged. They know that the CPM department has proactively avoided some issues but are frustrated by other occasions when they have experienced performance short-falls or insufficient storage resources. How would you categorize this Performance Management style?

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

Solutions: