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EMC Symmetrix Solutions Expert Exam for Technology Architects Sample Questions:

1. A customer has a new four engine Symmetrix VMAX storage array installed at their site. The array will be the target for a consolidation of three Symmetrix DMX storage arrays. The customer has concerns about required performance for a specific application that currently uses logical volumes from two of the source arrays. All applications that use this storage will have different peak usage times during the day.
How can the customer configure the new VMAX cache to guarantee the best level of service to the specific application?

A) Create a dynamic partition, set a high donation age for the application cache partition
B) Create a static partition, set a high donation age for the application cache partition
C) Create a static partition, set a lower write pending limit for the application cache partition
D) Create a dynamic partition, set a low donation age for the application cache partition

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

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 "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, what is the minimum number of spindles that must be allocated for optimal transaction log performance?

A) 10
B) 6
C) 4
D) 2

4. You are designing a Symmetrix VMAX Virtual Provisioning solution for a VMware vSphere environment. Storage allocation must be guaranteed for some mission critical virtual machines. What format should you recommend when creating virtual disks for these mission critical virtual machines?

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

5. Refer to the exhibit.

Host C is the remote site to an existing production site, Host A in the illustration. Host D is remote site to Host B.
The customer would like to have data-at-rest protection for host A and data-in-flight protection for Host B.
Which Symmetrix Security features would be required?

A) DARE in the primary site , IPSEC on both Symmetrix
B) PowerPath encryption on Host A, IPsec on host B and D
C) PowerPath Encryption on Host A, IPSEC on both Symmetrix
D) DARE in the primary and secondary sites

Solutions: