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EMC Symmetrix Solutions Expert Exam for Technology Architects Sample Questions:

1. Which Microsoft utility enables the storage administrator to align sector and track
boundaries for the purpose of increasing storage or device performance for SQL Server 2005?

A) Work Load Analyzer (EMC WLA)
B) Master Boot Alignment (MBL)
C) SQL Server Analyzer
D) DiskPart

2. A new EMC customer recently installed their first VMAX and a complete suite of EMC management tools. Their lead capacity planner attended training and has started monitoring the VMAX. You receive a call and this person describes the measurements observed. During the period of heaviest workload, reported throughput on certain Fibre Channel ports is nearing 150,000 KB/second but those ports display only about 10% utilization. What is the likely cause?

A) Sequential prefetch skews throughput %
B) I/O block size is very large
C) Striped metavolumes report invalid IOPS
D) I/O block size is very small

3. Refer to the exhibit.

A customer has a three-site configuration, where Site-A is running critical production applications, Site-B receives data from Site-A in SRDF/S mode and is used exclusively for disaster recovery. Site-C is a new location designed to receive data from Site-B using Cascaded SRDF. During the initial establish of data between Site-B and Site-C, significant performance issues were encountered at Site-A. What action should be taken to improve Site-A performance?

A) Use SRDF/S mode from Site-B to Site-C
B) Use SRDF/acp_dsk mode from Site-A to Site-B
C) Use separate RF-ports between Site-B and Site-C
D) Use different RF-ports on Site-C

4. A company is evaluating SRDF/Star. They are concerned that the RDF daemon represents a single point of failure. How could this concern be addressed?

A) RDF daemons will be deployed on one management station at each of the three sites. If the workload site RDF daemon fails, one of the RDF daemons from the other two sites will take over.
B) RDF daemon process runs on the Symmetrix array. If the workload site RDF daemon fails, the RDF daemon from one of the other sites will take over.
C) RDF daemons will be deployed on multiple management stations at the workload site. The RDF daemons will cooperate with each other.
D) RDF daemon process runs on the Symmetrix array and has built-in redundancy.

5. For a 2 engine VMAX, what is the minimum number of Enterprise Flash Drives required to ensure balanced performance across the backend excluding hot spares?

A) 16
B) 12
C) 4
D) 8

Solutions: