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EMC E20-816 Exam Syllabus Topics:

EMC Symmetrix Solutions Expert Exam for Technology Architects Sample Questions:

1. A customer has implemented an Oracle application on a VMAX with a mix of Enterprise Flash Drives (EFD) and FC 15K drives. EFD are configured in RAID 5 and FC 15K both in RAID 5 and RAID 1. In terms of IOPS activity, reads are predominant over writes. The customer decided to place a portion of the database in each tier. Which Oracle database object(s) is suitable to be placed on the FC 15K RAID 1 drives?

A) Redo logs files
B) Temp file
C) Data files
D) Index files

2. 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

3. 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) Half
B) Normal
C) Suspended
D) Duplicate

4. Click on the calculator icon in the upper left corner. Refer to the exhibit.

You are designing the Symmetrix VMAX architecture for a DAS-to-SAN SQL Server migration. Currently all user databases reside on a single locally attached disk enclosure, mounted to "N:\". You have decided on RAID-5 protected 15,000 RPM drives for the new SQL database and RAID-1 for the transaction log.
Last week, you configured Perfmon to record the current IOPS load of the databases during the 8-hour business day, Monday thru Friday as shown in the exhibit. During an average business day, the transaction log processes 87 GB worth of data.
Following EMC best practices, what is the minimum number of spindles that must be allocated for optimal transaction log performance?

A) 4
B) 8
C) 2
D) 10

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

Solutions: