E20-326 Online Practice Questions and Answers

A customer will migrate existing AIX, HP-UX and Windows hosts from a DMX-3 to a new VMAX array. You need performance data from the existing array to design to the new VMAX volumes configuration layout. Which tools can be used to collect Symmetrix array performance data?

A. ControlCenter Performance Manager and STP Collector

B. EMC Workload Generator and STP Navigator

C. Storage Configuration Advisor and STP Collector

D. ControlCenter Performance Manager and SymmMerge

A customer plans to migrate existing AIX, HP-UX and IBM iSeries hosts to a new VMAX array. Performance data is needed to design the VMAX volumes configuration layout. What host performance data do you request from the customer?

A. IOSTAT, SAR, WRKDSKSTS

B. STP, Perfmon, SMF/CMF

C. IOSTAT, STP, WRKDSKSTS

D. Perfmon, SAR, SMF/CMF

A TimeFinder/Snap of production data must be recreated in a two hour cycle throughout the day. Which change tracker report will provide the best data for modeling a solution for the twenty- four hour period?

A. Delta report reset every two hours

B. SUM report over two hours

C. Delta report reset every twenty four hours

D. SUM report over twenty four hours

What are the main components that make up a virtual provisioning environment?

A. TDEVs, TDATs and a Thin Pool.

B. DRVs, CDEVs and a storage pool.

C. Striped Metas, VDEVs and a Thin Pool.

D. Masking Views, VDEVs and BCVs.

How many additional SDDF sessions are used for an Open Replicator incremental push?

A. 1

B. 2

C. 3

D. 4

You are designing a Symmetrix VMAX SRDF/S over GigE solution. The production and remote data centers are 100 kilometers apart. What is the expected write response time delay due to latency?

A. 0.5 ms

B. 2 ms

C. 4 ms

D. 1 ms

Which host-based performance tool should be used to gather data for Microsoft Windows systems?

A. PERFMON

B. SAR

C. IOSTAT

D. NAR

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

What is the Write Load Adjustment Factor recommended by Performance Engineering when modeling an SRDF/A solution with BCSD?

A. 1.5

B. 2

C. 3

D. None

What determines the maximum cache requirements when modeling an SRDF/A Delta Set Extension configuration?

A. Transmit Idle time for the peak workload

B. Peak Cycle time for the peak workload

C. Sum of the data changed for N and N+1 cycles without modification

D. Sum of the data changed for N and N+1 cycles, modified by the Write Load Adjustment factor