Expert - PowerMax and VMAX Family Solutions Exam Question and Answers

Expert - PowerMax and VMAX Family Solutions Exam

Last Update May 16, 2024
Total Questions : 54

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Questions 1

Alerts are required to track high I/O response times for a specific storage group. I/O Response times greater than 10 ms require next day analysis. I/O response times greater than 15 ms require immediate intervention.

Which alert settings are required?

Options:

1st level - Warning, 10 ms 2nd level - Critical, 15 ms

1st level-Warning, 11 ms 2nd level - Critical, 16 ms

1st level - Informational, 10 ms. 2nd level - Warning, 15 ms

1st level - informational, 9 ms 2nd level - Warning, 14 ms

Discussion 0

Questions 2

An administrator is configuring SYMACL on a PowerMax array.

What are possible ways to get a unique ID for a host system?

Options:

Derived from SAN domain ID

Derived from local disk configuration

Derived from host hardware configuration Randomly generated

Derived from storage array hardware configuration

From a passphrase

Derived from host-based passphrase

Randomly generated by Solutions Enabler lockbox file

Discussion 0

Questions 3

Which feature of PowerMax and VMAX All Flash arrays provides ORM functionality?

Options:

Write folding

Write coalescing

Parallel prefetch

FlashBoost

Discussion 0

Questions 4

NDM is being used to migrate some Windows hosts to a new PowerMax. The client doesn't want the migration target volumes to retain the source volume external device identity following the migration.

What should be used to complete the migration and address the client's concern?

Options:

NDM cancel revert function

NDM Updates feature

NDM pass-through mode

NDM metro-based mode

Discussion 0

Questions 5

SRDF/Metro has been implemented with the bias setting. The R1 side of the pair is configured as the bias side.

How does the device bias work with the R2 device if the R1 array has a failure?

Options:

Device bias is unable to make the R2 device available to the host

Device bias performs a half-swap, and the R2 device becomes the new R1 device

R2 device automatically becomes the bias device

R2 device automatically becomes the active device

Discussion 0

Questions 6

While using DELL EMC Data Erasure on a PowerMax, what is the minimum number of overwrites needed to support compliance with internal policies and regulatory requirements?

Options:

Discussion 0

Questions 7

During a Non-Disruptive Migration (NDM), what is the result of issuing the ReadyTgt SYMCLI command to the migrating Storage Group?

Options:

Confirms that both the source and target arrays can support IDM operations

Masking View is created on the target array using elements that are created during the create command

Source Masking View is removed so the original source paths are in a dead state

Completes the migration by removing the migrated application resources from the source array

Discussion 0

Questions 8

An SRDF/Metro Smart DR configuration experiences a service interruption.

What criteria will the Fault-Aware Witness give a higher priority to when selecting the winning array?

Options:

Synced SRDF/A leg

Director status

Presence of a DR leq

Bias

Discussion 0

Questions 9

Match Dual Personally SRDF device to its usage SRDF role.

Options:

Discussion 0

Answer:

Explanation:

SRDF device used for Concurrent SRDF environments =R21

SRDF device used for SRDF/Star environments =R11

SRDF device used for Cascaded SRDF environments =R22

A dual personality SRDF device is a device that can act as both an R1 and an R2 device in different SRDF configurations. There are three types of dual personality SRDF devices: R21, R11, and R22.

An R21 device is an R2 device that is paired with another R1 device in a different SRDF group. This allows the R21 device to receive updates from the primary site and send updates to the secondary site. An R21 device is used for Concurrent SRDF environments, which provide simultaneous disaster recovery and data migration capabilities.For example, an R21 device can be used to migrate data from one array to another while maintaining a synchronous copy of the data on a third array.1
An R11 device is an R1 device that is paired with another R1 device in a different SRDF group. This allows the R11 device to receive updates from the primary site and send updates to the tertiary site. An R11 device is used for SRDF/Star environments, which provide three-site disaster recovery capabilities with a single hop between any two sites.For example, an R11 device can be used to create a synchronous copy of the data on a secondary site and an asynchronous copy of the data on a tertiary site.2
An R22 device is an R2 device that is paired with another R2 device in a different SRDF group. This allows the R22 device to receive updates from the secondary site and send updates to the tertiary site. An R22 device is used for Cascaded SRDF environments, which provide three-site disaster recovery capabilities with two hops between the primary and tertiary sites.For example, an R22 device can be used to create an asynchronous copy of the data on a secondary site and another asynchronous copy of the data on a tertiary site.3

References:

Dell EMC SRDF Introduction - Dell Technologies Partner Portal
Dell EMC PowerMax and VMAX All Flash: SRDF Product Guide
Dell EMC PowerMaxOS Performance Guide

Questions 10

Refer to exhibit.

The RDF-ECA timer has expired.

What is the state of all the RDF links?

Options:

failed over

suspend

online

split

Discussion 0

Questions 11

What is the minimum number of samples that must be collected via a single Real Time Trace collection process in Unisphere for PowerMax?

Options:

130

1040

360

720

Discussion 0

Questions 12

A company wants to implement a three-site disaster recovery solution. It is considering a Concurrent SRDF/Star environment where the production data on R11 devices are replicated to two R2 devices in two remote arrays. Site 2 will use SRDF/S links, and Site 3 will use SRDF/A links from Site 1.

What is the correct configuration for recovery links?

Options:

SRDF/S links must be configured between Site 3 and Site 2

SRDF/S links must be configured between Site 1 and Site 3

SRDF/A links must be configured between Site 3 and Site 2

SRDF/A links must be configured between Site 1 and Site 2

Discussion 0

Questions 13

If the host is cross connected in an SRDF/Metro configuration, what happens if the R2 device becomes Not Ready?

Options:

Read-only access is available to both devices

Loses read/write access to both devices

Continues to have read/write access to the R1 device

Read-only access is available to only the R1 device

Discussion 0

Questions 14

Refer to the exhibit.

Who has access to run the symaudit –list commands based on the symauth output shown in the exhibit?

Options:

Bob and Frank only

Jackie, Jenn. and Ji

Beth only

Beth, Bob, and Frank

Discussion 0

Questions 15

SRDF/Metro is deployed in a clustered host configuration. The RDF link state is partitioned, and the R1 side has full read/write capability to the application.

What is the state of the R2 device?

Options:

Goes Not Ready to the host

Has only read capability to the application

Bias is applied

Has full read/write capability to the application

Discussion 0

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