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EMC Symmetrix Solutions Expert Exam for Technology Architects Sample Questions:

1. A customer has a Symmetrix VMAX attached to 12 UNIX servers through a SAN fabric. They would like to prevent unauthorized access at the port level. Which Symmetrix security feature would satisfy that requirement?

A) Symmetrix access controls
B) CHAP authentication
C) FCID lockdown
D) User access

2. The links between an R1/R2 pair are logically suspended and a half swap is performed on the R2 device. What describes the RDF pair configuration?

A) Suspended
B) Duplicate
C) Normal
D) Half

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

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

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

5. A customer has an environment where one application has a very high, sequential, write-intensive workload. They would like to use Dynamic Cache Partitioning to isolate this workload from the other applications. How should DCP be configured to separate the write-intensive workload from the other applications?

A) Create a smaller static partition for the write-intensive workload.
B) Create a larger static partition for the write-intensive workload
C) Create a smaller dynamic partition for the write-intensive workload and lower the donation age.
D) Create a larger dynamic partition for the write-intensive workload and increase the
donation age.

Solutions: