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EMC Symmetrix Solutions Expert Exam for Technology Architects Sample Questions:

1. You are designing a Symmetrix VMAX array with 15K rpm Fibre Channel drives and 7.2K rpm SATA drives. How can you ensure that every back-end director manages just one type of drive?

A) Load drives of just one type in each disk array enclosure
B) Connect drives of just one type to each front-end director
C) Load drives of just one type in each bay
D) Connect drives of just one type to each engine

2. A customer needs to collect performance data from the HP-UX hosts in the environment. Which collection utility is used?

A) perfmon
B) wrksdsts
C) sar
D) iostat

3. When selecting Symmetrix data protection on an existing VMAX, why would you propose In-Frame erasure?

A) Data-at-rest erasure, RSA certified
B) Quick to implement, no hardware required
C) Data-in-flight and Data-at-rest erasure
D) Fastest, certified erasure

4. During monthly loads of a data warehouse, the customer observes significant increased response time on their OLTP database. Both applications reside on the same tier-1 storage and are replicated using the same SRDF/S links. During these high utilization periods, which tool can be used to give preference to servicing the OLTP database I/O?

A) Symm Optimizer
B) Delta Set Extensions
C) SymQOS
D) Symmetrix Priority Controls

5. Click on the calculator icon in the upper left corner.
A new storage request is submitted for the production instance of an new application from development. The request is for 3 x 200GB LUNs on a recently purchased VMAX array.
While discussing the request with the application team they mention that performance of their test environment has been poor during load testing on an existing DMX-4 array. You check Performance Manager statistics for the DMX-4 and discover that they are using 3 x 100GB LUNs for testing and they are sometimes reaching Device Write Pending.
What will best avoid the Write Pending issue in production?

A) Allocate 3 x 200GB devices and reduce the System Write Pending limit to 70%
B) Allocate 3 x 4-way striped meta devices using 200GB hypers
C) Allocate 3 x 4-way striped meta devices using 50GB hypers
D) Allocate 3 x 200GB devices and increase the Device Write Pending limit to 10%

Solutions: