PrepAway - Latest Free Exam Questions & Answers

Author: seenagape

How many disks will you need if you use only 4+4 RAID 1/0 groups?

ABC.com has an application running on JBOD and wants to install a CLARiiON to host the
application data. You determine that the application has a read/write ratio of 3:1 and a total of
1,000 4 KB random I/Os per second. Assume that the disks you will use in the CLARiiON are
capable of 130 IOPS.
How many disks will you need if you use only 4+4 RAID 1/0 groups?

What would you recommend to improve the backup performance for this environment?

ABC.com is managing an EMC NetWorker environment with one EMC NetWorker server and one
storage node that backs up approximately 70 clients. The amount of data to back up increases
over a period of time that results in backups taking more than 24 hours to complete.
You use EMC Backup Advisor to analyze the current environment and find that the tape
infrastructure and the network are performing fine.
What would you recommend to improve the backup performance for this environment?

Which approach best addresses these requirements?

ABC.com plans to use MirrorView/S between two CX3-80 arrays at remote facilities. During your
design meeting, the customer indicated that they will be mirroring LUNs on each array with bidirectional mirroring between the arrays. The customer wants to:
Reduce the time required to re-sync the mirrors if the link goes down
Provide redundancy in the event of a storage processor failure
Minimize the performance impact on each server
Which approach best addresses these requirements?