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Category: E20-322

Exam E20-322: Technology Architect Solutions Design

What is a limiting factor for this migration strategy?

A customer has purchased a new NS Celerra to replace an older NSG Celerra that is currently in production.
You are designing the customer’s upgrade solution. The customer’s data on the current NSG has mixed protocols: CIFS and NFS. You would like to use Celerra Replicator V1 to migrate the data to the new Celerra.
What is a limiting factor for this migration strategy?

Which feature can be incorporated into the new design to help increase utilization?

A customer currently has a large storage install base with many hosts. A large number of the hosts allocated their storage several years ago and have poor utilization rates. The customer has engaged EMC to design a new storage solution to replace their current storage.
Which feature can be incorporated into the new design to help increase utilization?

Write response time: 5 ms Read response time: 14 ms Write/s: 400 Read/s: 700 Average seek distance: 23 GB Whic

A customer has a DR site 20 miles (30 km) from their production site. Each site has a CX340. As part of the information gathering process, you determine that their RPO is 15 minutes or less.
They have a total of 30 LUNs that will need to be replicated to the remote site. Their application is sensitive to response times.
You have gathered Analyzer data for a normal working day. You note the following Analyzer values:
Write response time: 5 ms Read response time: 14 ms Write/s: 400 Read/s: 700 Average seek distance: 23 GB Which solution should you recommend?

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

A customer has a dedicated network link between a primary and a backup site. The link is rated at 45 Mb/s and has a roundtrip 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 most efficient and least disruptive SAN solution that would meet this need?

A customer’s storage environment is organized into four singledirector fabrics, one each for the Engineering, Marketing, Sales, and Finance divisions. The directors are MDS9509s populated with several switch modules providing 64 switch ports in each director.
Hosts and storage frames connect to each fabric with no more than 70% of available ports in use.
There is complete isolation between the four SAN islands.
With the planned rollout of new crossfunctional applications, the customer needs hosts in each fabric to access storage in the other three fabrics. It is acceptable for hosttostorage traffic to traverse up to two hops.
What is the most efficient and least disruptive SAN solution that would meet this need?


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