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Tag: Exam E20-885 (update November 4th, 2014)

Exam E20-885: VNX Solutions Expert Exam for Implementation Engineers (update November 4th, 2014)

Which action should you take to solve this problem?

Six months ago, you implemented an SQL 2008 database and followed EMC best practices for
sizing and layout. The database is now experiencing performance slowdowns. You configure
Perfmon to capture “disk bytes per second”, “average disk queue length”, and “percent disk time”

in a log view for the database volumes. The log shows the disk bytes per second remained steady
but there was an increase in the average disk queue length.
Which action should you take to solve this problem?

What storage pool design will provide balance between performance and storage provisioning?

An EMC VNX with FAST Suite will be used as block storage for a mail environment with four
Exchange 2010 servers. The Exchange servers will serve as mailbox and archive mailbox
servers. The VNX has the following disks in two DAEs:
– Five 200 GB Flash drives
– Fifteen 600 GB SAS drives
– Ten 2 TB NL-SAS drives
What storage pool design will provide balance between performance and storage provisioning?

What performance best practice should be considered when migrating Exchange 2010 to the storage pool?

A customer plans migrate several Exchange 2010 databases to a new RAID 5 storage pool on an
EMC VNX. The VNX has the FAST Cache and FAST VP enablers installed. Exchange 2010 is
installed on a vSphere guest.
What performance best practice should be considered when migrating Exchange 2010 to the
storage pool?

How many Virtual Data Movers should be configured for the servers to be protected on Site A to ensure maximum

An implementation engineer installs a DR solution to protect ten CIFS servers at site A. VNX
Replicator will be used to replicate these servers and their shares from Site A to Site B.
How many Virtual Data Movers should be configured for the servers to be protected on Site A to
ensure maximum portability?


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