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EMC Symmetrix Solutions Expert Exam for Technology Architects Sample Questions:

1. During Symmetrix VMAX performance analysis, you notice that a collection of VMAX devices has a front-end I/O rate that is much lower than its back-end I/O rate. What might be the reason for this?

A) Workload has a high percentage of read hits.
B) Front-end ports are faster than the back-end ports.
C) Devices are RAID 5 protected.
D) Host is striping the data across all of the devices.

2. A customer connected a new Microsoft Exchange 2010 server to their VMAX array. The server has PowerPath installed. The customer asks which failover policy they should use for best performance.
Which failover policy do you recommend?

A) Symmetrix Optimized
B) Basic Failover
C) Fail Over Only
D) Round Robin Load Balancing

3. A colleague is demonstrating the VMAX virtual LUN migration feature. They configure four test devices to move from FC RAID 5 volumes to SATA RAID 6 volumes and start the migration. The colleague reports the LUN migration moves very slowly and appears to stop during peak processing times.
What is the likely cause of the issue?

A) The VMAX is reaching system write pending limits.
B) FAST VP is interfering with virtual LUN migration processes.
C) The target volumes are the same size as the source volumes.
D) They are attempting to migrate too many volumes at once.

4. A company uses VMware ESXi Servers and Symmetrix VMAX storage arrays. Which EMC Virtual Storage Integrator feature allows the allocation of new Symmetrix VMAX storage to Virtual Machines from the VMware vSphere client?

A) Storage Viewer
B) Storage Pool Management
C) Symmetrix SRA Utilities
D) Unified Storage Management

5. Click on the calculator icon in the upper left corner. A customer would like to add a new database application to their VMAX. This application is expected to produce 3000 I/O per second with 45% read hit and 25% write. The customer expects to use RAID 5 (3+1) on new drives that are not yet utilized. These drives perform 100 SCSI commands per second (read/writes) at 100% utilization.
Assuming drive utilization should not exceed 70%, how many physical drives, excluding hot spares, does the customer need to achieve performance requirements?

A) 68 disks
B) 32 disks
C) 56 disks
D) 48 disks

Solutions: