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EMC Symmetrix Solutions Expert Exam for Technology Architects Sample Questions:

1. You have been asked to start the analysis of an I/O response time issue in a four engine VMAX but do not yet have access to any detailed SPA or WLA data. Which component is most likely to be causing the response time delay?

A) Front-End Adapters
B) Back-End Adapters
C) Drives
D) Cache

2. You are completing a detailed configuration for a VMAX that will support a new Oracle 11g instance and database. Which volume configuration is best for the Oracle Archive Log files?

A) Striped RAID 0
B) Striped RAID 0+1
C) Native RAID 1
D) Native RAID 3

3. A company has a VMware vSphere 5.0 ESXi host using NUMA. This host is experiencing poor performance. Which BIOS settings on the ESXi host could help alleviate this performance issue?

A) Disable Node Interleaving
B) Disable HyperThreading
C) Enable Node Interleaving
D) Enable HyperThreading

4. A customer has a VMAX 1 Engine with 128 GB of cache. The disks are configured in RAID 1 and SRDF is not implemented. The applications on the VMAX perform heavy writes with a ratio of 20/80 (Reads/Writes). Due to continuous rate of writes, the VMAX reaches the Device Write Pending Limit.
What is the most cost effective way to address the problem?

A) Spread write activity to more devices
B) Migrate from RAID 1 to RAID 5
C) Add cache on the VMAX
D) Migrate from RAID 1 to RAID 6

5. Refer to the exhibit.

The workload shown is from a single application running on a VMAX. The workload is also from a single application on dedicated server. Which action(s) should the customer perform?

A) Review the devices and use additional Front End processors on different processors
B) Installation of PowerPath is recommended
C) Spread the workload multiple devices on the back end
D) Review the devices and zone additional Front End ports on the same processors

Solutions: