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EMC Symmetrix Solutions Expert Exam for Technology Architects Sample Questions:

1. Refer to the exhibit.

A customer has a Symmetrix VMAX storage array which had a capacity add completed after one year of service. Performance for a specific host application with large block I/O has not achieved expected levels of performance. The customer requests a performance review and determination of the problem.
You determine that FA processors are running 52% busy, FA ports have an average of 30 MB/s and disks in the thin storage pool are 28% utilized. Which cost effective solution should be suggested?

A) Migrate to Meta volumes
B) Add more cache
C) Use more paths to host
D) Add drives to disk pool

2. 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) 196
C) 597
D) 989

3. You are designing a Symmetrix VMAX Virtual Provisioning solution for a VMware vSphere environment. What format does EMC recommend when creating a virtual disk for a Virtual Machine?

A) thin
B) 2gbsparse
C) eagerzeroedthick
D) zeroedthick

4. What allows VMkernel to reduce memory duplication in the virtual machine's memory?

A) Transparent Page Sharing
B) Memory compression
C) Vmmemctl driver
D) Swap to host cache

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

Solutions: