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Tag: Exam E20-322 (v.1)

Exam E20-322: Technology Architect Solutions Design (updated June 20th, 2013)

How should you design the solution to address the customer’s concern?

ABC.com running a Microsoft Exchange e-mail environment is primarily concerned about the
growing size of their mail server message stores. They are interested in using EMC EmailXtender
with EMC DiskXtender to archive the messages to an EMC Centera if that solution reduces the
size of their message stores.
How should you design the solution to address the customer’s concern?

Which migration method is appropriate for this project?

A customer is planning to migrate all their high-performance cluster servers from a non-EMC array
to a Symmetrix DMX. There will also be a new SAN for the DMX.
For migration purposes, one DMX-FA pair will be connected to the non-EMC SAN. All servers will
be offline and re-cabled to the DMX SAN during the data migration.
Which migration method is appropriate for this project?

Which factor will affect the customer’s application response times?

ABC.com has a dedicated network link between a primary and a backup site. The link is rated at
45 Mb/s and has a round-trip latency of 7 ms. There are four routers and no hubs between the
sites. The peak write bandwidth for the customer’s applications is 4 MB/s. They are planning to

use MirrorView/S between the sites.
Which factor will affect the customer’s application response times?

What is the minimum recovery point objective that this supports?

ABC.com plans to locate their primary production site and their secondary disaster recovery site
1,000 kilometers apart. The EMC account team has recommended they use DMX-3s running
SRDF/A. During the planning phase, it is estimated that: The SRDF/A minimum cycle time
parameter will be set to 20 seconds It will take 3 hours after a primary site failure to declare a
disaster and failover to the secondary site After a failover to the disaster site, it will take two hours
to bring up the applications and make the secondary site operational
What is the minimum recovery point objective that this supports?

what other area should you consider for further investigation to provide a highly available archiving solution

A national bank has an imaging application. The bank is currently capturing images of its
contracts, saving them to tape, and shipping them to a secondary data center for offsite storage.
The government requires the bank to retain individual records. However, the local administrator
requires that items be deleted from time to time to conform to local privacy laws. In a discussion,
the CIO mentioned that the bank recently lost a storage administrator and that the three remaining
administrators are overworked. The CIO also described how the bank’s business has been
growing rapidly and is getting ready to purchase a new tape silo for their environment.
Furthermore, the CIO complained about tape corruption issues and rising tape management costs.
After specifying EMC Centera cluster details, what other area should you consider for further
investigation to provide a highly available archiving solution?


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