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EMC Symmetrix Solutions Expert Exam for Technology Architects Sample Questions:

1. An existing 2-engine VMAX array has 192 x 450GB 15K Fibre Channel drives in a single Virtual Provisioning pool. Two Linux database hosts are connected to the array and both are running PowerPath.
Host oradb01 is connected to the E0 FA ports on each director and is meeting the customer performance SLA. Host oradb02 is connected to the G0 FA ports on each director - and for the past 3 days this host has been experiencing poor performance during peak activity in the afternoons.
What steps do you take to identify likely bottlenecks?

A) Check the host for queued I/Os, use SPA to examine I/O size and utilization on the G0 FA ports
B) Run iostat -x in order to compare I/O size and read/write ratio of the two hosts
C) Open a case with EMC Support and upload Oracle Statspack information
D) Use SMC to check for Virtual Pool alerts, use SPA to measure drive response times

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

3. A customer plans to deploy Oracle on their new EMC VMAX. They are concerned about the performance of the redo log files. You recommend isolating these files to their own set of disks and deploying them on striped metavolumes. Why would you recommend striped metavolumes?

A) Spindle queue depth is increased
B) Actuator contention is reduced
C) The write-pending limit is higher
D) Random-read response is improved

4. A customer has a Symmetrix VMAX array shared between several different business groups. Each of the hosts has Solutions Enabler installed to support TimeFinder operations. There is a requirement that each business group can only manage its assigned LUNs. Which security technology would enable that requirement?

A) Symmetrix Access Controls
B) Access Logix
C) Symmetrix Authorization
D) Fibre Channel ID Lockdown

5. A large customer has a formal Capacity and Performance Measurement (CPM) department. Some of this customer's business users describe the environment as good, while others describe the environment as challenged. They know that the CPM department has proactively avoided some issues but are frustrated by other occasions when they have experienced performance short-falls or insufficient storage resources. How would you categorize this Performance Management style?

A) Reactive Style
B) Casually Observant
C) Actively Observant
D) Proactive Style

Solutions: