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EMC E20-326 Exam Syllabus Topics:

EMC Symmetrix Solutions Design Exam for Technology Architects Sample Questions:

1. You are proposing a new VMAX array with FAST VP. The customer reports their
application needs a small amount of EFD capacity and asks whether 200 GB EFDs or 400 GB EFDs would provide better overall performance. Which drive size do you recommend and why?

A) 200 GB EFDs. They support higher I/O density than 400 GB EFDs.
B) 400 GB EFDs. They support higher I/O density than 200 GB EFDs.
C) 400 GB EFDs. They support higher IOPS than 200 GB EFDs.
D) 200 GB EFDs. They support higher IOPS than 400 GB EFDs.

2. A customer plans to migrate mainframe and UNIX hosts from another vendor's array to an EMC Symmetrix. You are responsible for the design of the VMAX 20K solution that is to be replicated to a metropolitan bunker site. There is no tolerance for data loss.
Which input data sets do you need for a BCSD design of the replication solution?

A) SMF/TPF for mainframe hosts SAR data for AIX hosts
B) SMF/TPF data for mainframe hosts IOSTAT data for AIX hosts
C) CMF/TPF data for mainframe hosts SAR data for Linux hosts
D) CMF/SMF data for mainframe hosts SAR data for HP-UX hosts

3. A customer plans to deploy Oracle on their new Symmetrix VMAX. They are concerned about the performance of the redo log files. You recommend isolating these files to their own set of disks and deploying them on striped metavolumes.
Why would you recommend striped metavolumes?

A) Write pending limit is higher
B) Spindle queue depth is increased
C) Random read response is improved
D) Actuator contention is reduced

4. Your customer is interested in using Timefinder/Snap. You have determined there needs to be fifty save devices to handle the change rate for 125 virtual devices. The Save devices and the virtual devices are the same size. What should be recommended if source volume performance is a consideration?

A) Recommend using Timefinder/Clone
B) Allocate enough disks to handle the change rate
C) Recommend using RAID6 for the Save devices
D) Spread the Save devices across as many DAs and disks as possible

5. A customer is implementing a Microsoft Exchange environment on a Symmetrix VMAX. The environment will be deployed on 600 GB FC 15K drives using RAID 5 data protection. The application generates 2000 I/O per second with an I/O pattern that is 75% reads and 25% writes.
What is the minimum number of drives recommended to support the application?

A) 12
B) 32
C) 18
D) 24

Solutions: