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Exam : EMC E20-860
Title : Network Attached Storage Expert Exam for Implementation Engs


1. Which EMC recommended tool is available for download to analyze network traffic?
A. Celerra Monitor
B. EMC ControlCenter
C. Ethereal/Wireshark
D. Iometer
Answer: C

2. A storage administrator is disappointed with the performance of an EMC solution. The administrator points out that Exchange server response time from the server is too slow.
How should performance have been positioned with the customer before the implementation?
A. The customer and seller should have made a prearranged agreement to improve performance.
B. The customer and seller should have made a prearranged agreement on bandwidth requirements.
C. The customer and seller should have made a prearranged agreement on measurement and level of expected performance.
D. The customer and seller should have made a prearranged agreement for a notable improvement in server and application responses measured in IOPS, application response time, or bandwidth improvement.
Answer: C

3. A storage administrator noticed that the access to network drives on the Celerra slows down at about half past the hour every day. The local EMC service person told them that was normal, since a checkpoint is created 25 minutes past the hour every day.
Which tool could be used to show the performance degradation?
A. Celerra Monitor
B. ControlCenter Performance Monitor
C. Ethereal/Wireshark
D. Performance Monitor
Answer: A

4. Rob's Distribution Center has a Windows environment consisting of about 400 users. They are primarily using CIFS on an EMC Celerra. Users are complaining about poor performance when opening their files.
Which item should Joe's system administrator look for when running a "server_cifsstat server_2" command?
A. An excessive network delay value
B. High Concurrent connections values
C. High ConnectTree values
D. High ReadX average Service Response Times
Answer: D

5. An Exchange administrator has consolidated the company's four Exchange stores onto a single Data Mover. The performance of the Exchange stores appears to be slow.
What should have been done to properly size the solution and set expectations for performance before implementation?
A. A benchmark for each server needs to be set, I/O analysis needs to be completed for each server, and performance expectations need to be agreed on between the seller and company.
B. Define how much storage is required, what type of disks are required, what RAID type will be used, and how much money is to be spent on the project.
C. General expectations for a notable improvement in server and application responses measured in IOPS, CPU utilization, application response time, or bandwidth improvement.
D. Show the ROI for the project, what financing options are available, in which quarter will the deal be completed, and what kind of performance is expected.
Answer: A

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