E20-326 Online Practice Questions and Answers

A customer plans to migrate existing AIX and Windows hosts as well as Mainframe z/OS LPARs to a new VMAX array. Performance data is needed to design the VMAX volumes configuration layout. Which host performance data do you request from the customer?

A. STP, SAR, WRKDSKSTS

B. SAR, Perfmon, WRKDSKSTS

C. IOSTAT, Perfmon, SMF/CMF

D. IOSTAT, SAR, SMF/CMF

What is a valid FAST VP policy that would be recommended by Tier Advisor?

A. EFD 400GB RAID 5 (3+1) -30% FC 15K 300GB RAID 1 - 30% SATA 7200 1TB RAID 6 (6+2) - 30%

B. EFD 400GB RAID 5 (3+1) -30% FC 15K 300GB RAID 1 - 30% FC 15K 400 GB RAID 5 (3+1) - 20% SATA 7200 1TB RAID 6 (6+2) - 30%

C. EFD 400GB RAID 5 (3+1) -10% FC 15K 300GB RAID 1 - 50% SATA 7200 1TB RAID 6 (6+2) - 40%

D. EFD 400GB RAID 5 (3+1) -10% FC 15K 300GB RAID 1 - 100% SATA 7200 1TB RAID 6 (6+2) - 100%

What is the functional description for Tier Advisor?

A. An interactive performance modeling tool.

B. A peak performance analysis tool.

C. A tool that helps calculate DA utilization.

D. A tool that recommends the right number of VMAX engines.

A customer has taken four snaps of a TimeFinder/Snap source device at 10:00 a.m., 1:00 p.m.,

3:00

p.m. and 5:00 p.m. A restore operation is performed at 8:00 p.m. from the 5:00 p.m. snap session. What is the first step needed to create a snap from the same source device at 9:00 p.m.?

A.

Terminate the restored session

B.

Terminate all snap sessions

C.

Terminate the 5pm session

D.

Create a 9pm snap session

An existing TimeFinder customer migrated from a DMX-3 running Enginuity 5771 to a new VMAX array.

They ask you to explain how the TimeFinder/Clone Copy on First Write (COFW) mechanism on the new

VMAX array differs from their DMX-3 array.

What do you tell the customer?

A. The VMAX array uses asynchronous COFW and the DMX-3 array uses synchronous COFW.

B. Both the VMAX and DMX-3 arrays use synchronous COFW.

C. The VMAX array uses synchronous COFW and the DMX-3 array uses asynchronous COFW.

D. Both the VMAX and DMX-3 array use asynchronous COFW.

Using Open replicator, when are the protection bitmap flags set to "0" on the control device?

A. When each track is copied.

B. When the session is terminated.

C. When the session is activated.

D. When the session is created.

You have been working with a customer on a new SRDF/A design and need to validate the configuration using host data. Which tool do you use?

A. BCSD

B. SymmMerge

C. E-lab Advisor

D. Tier Advisor

What is the maximum recommended distance for an SRDF/S over CWDM deployment?

A. 50 km

B. 100 km

C. 150 km

D. 200 km

A proposed SRDF/S solution was modeled with BCSD. The model assumed that the source array had two RFs. The RA Utilization chart shows the maximum utilization is at 80%.

How many RFs should be recommended to ensure a successful implementation?

A. 2

B. 3

C. 4

D. 6

A customer has implemented an Oracle application on a Symmetrix VMAX with a mix of Enterprise Flash Drives (EFD) and FC 15K drives. EFD are configured in RAID 5, and FC 15K drives are configured both in RAID 5 and RAID 1. In terms of IOPS activity, reads are predominant over writes. The customer decided to place a portion of the database in each tier.

Which Oracle database object(s) is suitable for placing on the FC 15K RAID 1 drives?

A. Redo log files

B. Data files

C. Index files

D. Temp file