Important Dell EMC D-XTR-DS-A-24 Exam Questions

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Dell EMC Dell XtremIO Design Achievement D-XTR-DS-A-24 Exam

Attempt the XtremIO Design practice test and solve real exam-like D-XTR-DS-A-24 questions to prepare efficiently and increase your chances of success. Our Dell EMC D-XTR-DS-A-24 practice questions match the actual Dell XtremIO Design Achievement exam format, helping you enhance confidence and improve performance. With our D-XTR-DS-A-24 practice exam software, you can analyze your performance, identify weak areas, and work on them effectively to boost your final XtremIO Design exam score.

Vendor:	Dell EMC
Exam Name:	Dell XtremIO Design Achievement
Registration Code:	D-XTR-DS-A-24
Related Certification:	Dell EMC XtremIO Design Certification
Exam Audience:

Total Questions

Last Updated

10-07-2026

Exam Duration

90 MINUTES

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Question: 1

You need to design a VDI solution for a customer. Which recommended best practices should be used for VDI environments?

AAlign data on 8 kB boundariesPut all VDI-related data on one large LUN

BAlign data on 4 kB boundariesAllocate multiple XtremIO LUNs to each host

CAlign data on 4 kB boundariesPut persona and user data on XtremIO LUNs

DAlign data on 8 kB boundariesPut the master VM image on an XtremIO LUN

Answer: B

Explanation:

When designing a Virtual Desktop Infrastructure (VDI) solution, it's important to consider the best practices for performance and efficiency.

Option OB, ''Align data on 4 kB boundariesAllocate multiple XtremIO LUNs to each host'', is a recommended best practice for VDI environments12. This is because aligning data on 4 kB boundaries can help to optimize the performance of the storage system12. The XtremIO storage array uses a 4 kB data block size, so aligning data on 4 kB boundaries can help to ensure that data is efficiently stored and retrieved12.

Allocating multiple XtremIO LUNs to each host can also help to distribute the I/O load more evenly across the storage system, which can improve performance12. This is particularly important in VDI environments, where there can be a high level of concurrent I/O activity12.

The other options, while they may be part of the overall process, are not specifically recommended for VDI environments:

Option OA, ''Align data on 8 kB boundariesPut all VDI-related data on one large LUN'', is not recommended because aligning data on 8 kB boundaries does not match the 4 kB data block size used by the XtremIO storage array12. Also, putting all VDI-related data on one large LUN can lead to performance issues due to the high level of concurrent I/O activity in VDI environments12.

Option OC, ''Align data on 4 kB boundariesPut persona and user data on XtremIO LUNs'', is not recommended because persona and user data typically do not require the high performance provided by XtremIO LUNs12.

Option OD, ''Align data on 8 kB boundariesPut the master VM image on an XtremIO LUN'', is not recommended because aligning data on 8 kB boundaries does not match the 4 kB data block size used by the XtremIO storage array12.

Therefore, the verified answer is B. Align data on 4 kB boundariesAllocate multiple XtremIO LUNs to each host, as it provides the most suitable solution for VDI environments according to the Dell XtremIO Design Achievement document12.

Question: 2

A customer has a large ESXi server environment they are considering deploying to XtremlO for a VDI implementation. To determine a baseline of the environment, you are proceeding with documenting each server's CPU, NIC, and disk utilization statistics. The customer has provided you with direct CLI access to the servers to conduct this assessment.

Which utility should be used to monitor these performance parameters?

Aiostat

Bresxtop

Ctop

Desxtop

Answer: D

Question: 3

A storage administrator is configuring SAN switches and zoning to connect a four X-Brick XtremlO array. A VMware ESXi server is hosted on a blade chassis with 16 HBA ports.

In addition, the SAN consists of two separate SAN switches.

What is the recommended XtremlO best practice for zoning?

AFirst Storage Controllers' HBA ports to the first switch
Second Storage Controllers' HBA ports to the second switch
Multipath all host ports to single LUNs per zone

BTwo HBA connections per host
Single initiator/multiple targets per zone
Maximum of 16 paths for each device
Host connected to each SAN switch

CSingle Storage Controller HBA port to the first switch
Single Storage Controller HBA port to the second switch
Single initiator/multiple targets per zone
Maximum of 4 paths for each LUN per zone

DTwo HBA connections per host connected to a single switch
Multiple initiators/multiple targets per zone
Maximum of 4 paths for each LUN per zone

Answer: B

Explanation:

For a four X-Brick XtremIO array, the recommended best practice for zoning in a SAN environment with VMware ESXi servers is to have two HBA connections per host, with each host connected to both SAN switches. This configuration allows for redundancy and high availability. The zoning should be set up with a single initiator (the HBA on the host) to multiple targets (the storage controllers' HBA ports) per zone. This ensures that each host has multiple paths to the storage, allowing for failover and load balancing. The maximum number of paths for each device should be 16 to prevent exceeding the path limits and to maintain optimal performance1.

Dell Technologies community discussions on XtremIO Zoning Best Practices provide insights into the recommended zoning configurations for different XtremIO setups1.

The Host Configuration Guide for XtremIO, which can be found on the Dell EMC support site, offers detailed instructions on zoning best practices for XtremIO storage arrays2.

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Question: 4

Which SCSI instructions are used to build a bitmap of the changes between the first snapshot and subsequent snapshots when RecoverPoint is used with XtremIO?

ASCSI DIFF

BSCSI DELTA

CSCSI TRANSFER

DSCSI UPDATE

Answer: A

Explanation:

The SCSI DIFF instruction is used to build a bitmap of the changes between the first snapshot and subsequent snapshots when RecoverPoint is used with XtremIO1.

The DIFF protocol is a vendor-specific SCSI command which RecoverPoint uses to query XtremIO in order to obtain a bitmap of changes between two snapshot sets1. RecoverPoint uses the output of the DIFF command to read the actual data and transfer it to the target side1.

The other options provided are not typically used for this purpose:

SCSI DELTA is not a recognized SCSI command2.

SCSI TRANSFER is not a recognized SCSI command3.

SCSI UPDATE is not a recognized SCSI command4.

Therefore, the verified answer is A. SCSI DIFF, as it is the SCSI instruction used to build a bitmap of the changes between the first snapshot and subsequent snapshots when RecoverPoint is used with XtremIO1.

Question: 5

A customer's environment is expected to grow significantly (more than 150 TB physical capacity) over the next year. Which solution should be recommended?

AStart with X2-R cluster and add additional X2-R X-Bricks as needed

BStart with a four X-Brick X2-S cluster and add additional X2-S X-Bricks as needed

CStart with X2-R cluster and add additional X2-S X-Bricks as needed

DStart with X2-S cluster and add additional X2-S X-Bricks as needed

Answer: A

Explanation:

For environments expected to grow significantly (more than 150 TB physical capacity), it is better to start with an X2-R cluster and add additional X2-R X-Bricks as needed. X2-R configurations are designed for a variety of use cases and can handle larger capacities and high-performance requirements.

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