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EMC Symmetrix Solutions Expert Exam for Technology Architects Sample Questions:

1. A data warehouse team is reporting poor performance on their batch reports. The database runs on a Solaris host connected to a DMX-4 array with Fibre Channel drives sized to support a sequential read workload. Which metrics in Performance Manager would be useful in diagnosing the performance issue?

A) KBytes read per second, Prefetched tracks per second, Read %, Write %
B) I/O per second, KBytes read per second, prefetched tracks per second, Tracks not used per second
C) Average sampled read time, KBytes read per second, I/O per second, Read hit %
D) Read hit %, Tracks not used per second, Average sampled read time, I/O per second

2. Refer to the exhibit.

A composite group spanning two Symmetrix arrays is set up to run SRDF/Star using Cascaded SRDF as illustrated in the exhibit. Which condition must be met before an MSC cycle switch is performed at site B?

A) Minimum cycle time must have elapsed
B) Invalid track count between Sites A and C must be under 30000
C) SYMCLI_STAR_ALLOW_CASCADED_CONFIGURATION option must be enabled in the options file
D) SDDF bitmaps have been swapped at Site A

3. Click on the calculator icon in the upper left corner. A customer would like to add a new database application to their VMAX. This application is expected to produce 3000 I/O per second with 45% read hit and 25% write. The customer expects to use RAID 5 (3+1) on new drives that are not yet utilized. These drives perform 100 SCSI commands per second (read/writes) at 100% utilization.
Assuming drive utilization should not exceed 70%, how many physical drives, excluding hot spares, does the customer need to achieve performance requirements?

A) 56 disks
B) 48 disks
C) 32 disks
D) 68 disks

4. 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 Redo Log files?

A) RAID 1
B) RAID 6
C) RAID 0
D) RAID 3

5. Refer to the exhibit.

Host C is the remote site to an existing production site, Host A in the illustration. Host D is remote site to Host B.
The customer would like to have data-at-rest protection for host A and data-in-flight protection for Host B.
Which Symmetrix Security features would be required?

A) DARE in the primary site , IPSEC on both Symmetrix
B) PowerPath encryption on Host A, IPsec on host B and D
C) PowerPath Encryption on Host A, IPSEC on both Symmetrix
D) DARE in the primary and secondary sites

Solutions: