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EMC Symmetrix Solutions Expert Exam for Technology Architects Sample Questions:

1. A customer is planning an Oracle 11g implementation. You have been assigned to design the Oracle storage architecture. You recommend placing redo logs files on separate drives from other Oracle files. Your customer wants an explanation of this architecture choice. What best describes the reason for this EMC recommendation?

A) Redo logs on the same drives as the Oracle Data files is not supported
B) Redo logs read performance can affect the performance of the entire database
C) Separation ensures that disk failure will not result in losing the entire database
D) Redo logs write performance can affect the performance of the entire database

2. Which change in a Symmetrix VMAX workload will typically result in an increase in the read hit rate?

A) Increase in locality of reference
B) Increase in the percentage of read I/Os
C) Spread the workload over more devices
D) Increase in the I/O size

3. 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 "N:\". You have decided on RAID-5 protected 15,000 RPM drives for the new SQL database and RAID-1 for the transaction log.
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 87 GB worth of data.
Following EMC best practices, what is the minimum number of spindles that must be allocated for optimal transaction log performance?

A) 8
B) 10
C) 2
D) 4

4. Refer to the exhibit.

An SRDF/Star configuration has production running at Site A.
A symstar halt command is executed at the workload site (Site A). Which action would reconfigure the RDF device relationships such that the workload site is located at Site B and both RDF targets are in the disconnected state?

A) A connect action
B) A reconfigure action
C) An enable action
D) A switch action

5. A customer recently reconfigured their Exchange 2010 environment. They placed the log and system files on the L:\ drive and mounted the mailbox stores on L:\SG1DBMP. They report they updated the associated Replication Manager replica job to reflect the change, but the mounts to the backup server fail. What do you advise the customer?

A) The mailbox store replica must be part of the same replica job as the log files.
B) Additional clone targets need to be added to the storage pool.
C) Log and system files on same volume are not supported.
D) A separate replica job must be configured for the mailbox stores.

Solutions: