EMC Symmetrix Solutions Expert Exam for Technology Architects - E20-816

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EMC E20-816 Exam Syllabus Topics:

EMC Symmetrix Solutions Expert Exam for Technology Architects Sample Questions:

1. Click on the calculator icon in the upper left corner.
A customer is implementing an Exchange environment on an EMC Symmetrix VMAX. The environment will be deployed on 600 GB FC 15K drives using RAID 1 data protection. The application generates 1350 I/O per second and has a 2:1 read/write ratio.
What is the minimum number of drives recommended to support the application?

A) 12
B) 16
C) 8
D) 30

2. Click on the calculator icon in the upper left corner. A customer is implementing an Exchange 2010 environment for 500 users on an EMC Symmetrix VMAX and has the following requirements.
-1 GB mailbox quota per user.
-Each user sends and receives approximately 125 messages per day.
-The average message size is 65 KB.
-Deleted items will be retained for 14 days.
What is the minimum capacity recommended for each mailbox?

A) 1.1 GB
B) 1.3 GB
C) 1.6 GB
D) 1.0 GB

3. 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) Proactive Style
B) Reactive Style
C) Actively Observant
D) Casually Observant

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

5. Click on the calculator icon in the upper left corner. A new Oracle database is being deployed on a 4-engine VMAX array. The DBA requests 2TB of usable capacity.
Which configuration will best distribute database workload across the back-end Disk Adapters (DAs) while avoiding host queing?

A) 4 x 16-way meta devices using 32GB members
B) 5 x 400GB devices
C) 1 x 24-way meta device using 100GB members
D) 2 x 4-way meta devices using 50GB members

Solutions: