E20-326 Exam Questions

Refer to the exhibit. You have used BCSD to model an SRDF/A solution. Based on the SRDF/A risk analysis shown what are your recommendations?

Refer to the exhibit. You have used BCSD to model an SRDF/A solution. Based on the SRDF/A risk analysis shown what are your recommendations?

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

A customer has a pair of VMAX arrays configured to replicate thin devices at one site to thin devices at another site using SRDF/A. The customer wants to implement TimeFinder/Snap...

Which TimeFinder feature allows you to use TimeFinder/Mirror commands to perform operations on RAID 6 protected BCVs?

How many SDDF sessions can each Logical Volume support?

What type of configuration change takes a backend device lock on Symmetrix VMAX?

The SiRT featured is enabled on the RA in an SRDF/S configuration. When does the host receive the acknowledgement of a write?

A customer is planning a Tech Refresh. The proposed migration will make use of Open Replicator Hot Pull. Which Open Replicator Hot Pull feature allows the customer to minimize the...

You are designing a new disaster recovery solution with VMAX arrays. During the initial project kick- off meeting, the customer reports their environment can tolerate five minutes...

You are designing a new disaster recovery solution with VMAX arrays. During the initial project kick- off meeting, the customer reports the maximum allowable downtime for their app...

Prior to starting an implementation, which tool should be used to automate the data collection on a Windows host?

Prior to starting an implementation, which tool should be used to automate the data collection on a UNIX host?

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...

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...

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 per...

A major telecommunications operator is planning to consolidate multiple mid-tier storage arrays to a single Symmetrix VMAX solution. Their existing environment includes IBM AIX ser...

A major telecommunications operator is planning to consolidate multiple mid-tier storage arrays to a single Symmetrix VMAX solution. Their existing environment includes IBM AIX ser...

A customer is interested in utilizing TimeFinder/Snap to generate a backup copy of an application every six hours. In order for you to calculate the SAVE Pool requirements you will...

A customer is interested in utilizing SRDF/AR to generate a remote copy of an application with an RPO of six hours. In order for you to calculate the bandwidth requirements you wil...

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

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 th...

You are designing a new VMAX array. The customer requires high performance for their random write-intensive application. Which RAID protection should you recommend?

You are designing a new VMAX array. The customer's primary concern is maximizing capacity available to the host. What RAID protection should you recommend?

What is a best practice when configuring a Symmetrix VMAX for optimal performance and cost?

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 provi...

What is supported for the second leg (R21 -> R2) of an SRDF Extended Distance Protection (EDP) configuration?

You are implementing a FAST VP solution for a customer and want to start with a conservative FAST VP relocation rate. What would be the recommended value for the relocation rate?

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

Which environment type is thin provisioning friendly?

A customer is using a Symmetrix VMAX and FAST DP. They are using striped meta devices to overcome the device size limit of a single device. What happens when FAST determines "hot s...

Which workload is an ideal candidate for FAST VP?

A customer has implemented a Symmetrix VMAX storage array with FAST VP as a consolidation target for four older storage systems. The storage array is running the current target Eng...

A customer is running an application on older storage equipment that is about to be replaced. During refresh planning, the skew for the application is determined to be 98/2. Which...

A customer has requested multiple design solutions for their new FAST-enabled Symmetrix VMAX storage. You have the performance files and symapi_db.bin files for the three source DM...

The NAR file on a source CLARiiON array is 12 hours of 600 second intervals. You require a minimum of 20 intervals of complete data. How many 30-minute trace files will need to be...

The NAR file on a source CLARiiON array is 12 hours of 300 second intervals. You require a minimum of 30 intervals of complete data. How many 30-minute trace files will need to be...

A customer plans to aggregate a number of CLARiiONs to a Symmetrix VMAX with FAST VP. Which data collection requirements are recommended for a Tier Advisor analysis?

What is a characteristic of the FAST policy as defined by the analysis done by Tier Advisor?

What is a Capacity Available for Active Replication (CAAR) consideration when using TimeFinder on a Symmetrix VMAX?

Which two tools should be used to compute the Capacity Available for Active Replication (CAAR)?

When does the ACOFW behavior apply in a TimeFinder/Snap environment?

A TimeFinder/Clone session is created using the Copy option. When will data be copied?

A customer wants data from a source to be copied to its TimeFinder/Clone target as soon as the session is created. Which option needs to be used when creating the TimeFinder/Clone...

When using Clone Emulation, which TimeFinder/Clone command represents the symmir establish command?

What is the EMC recommended network quality for SRDF/S over GigE?

You are designing an SRDF over GigE solution. What is a consideration to maximize TCP connection scaling?

When working with Fibre Channel connectivity, which statement is correct about buffer credits?

You are designing an SRDF/S over Fibre Channel solution. Data centers are 50 km apart and 4 Gb/s FC links are in place. What is the minimum number of buffer-to-buffer credits requi...

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