Free PDF Quiz EMC - High Pass-Rate D-XTR-DS-A-24 - Dell XtremIO Design Achievement Exam Questions

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EMC D-XTR-DS-A-24 Exam Syllabus Topics:

Topic	Details
Topic 1	XtremIO X2 Data Replication: For data protection specialists and storage administrators, this section focuses on data replication operations and management within XtremIO X2 systems. It covers XtremIO X2 snapshot creation and management for data backup and recovery. The section also explains RecoverPoint operations for local and remote replication with XtremIO X2, offering comprehensive data protection and disaster recovery solutions.
Topic 2	XtremIO X2 Optimization and Performance Management: For performance analysts and storage administrators, this section addresses XtremIO X2 system optimization and performance management. It provides an overview of performance metrics, XtremIO X2 architecture, and the application of environmental, host, and benchmarking tools for performance measurement and improvement.
Topic 3	Positioning XtremIO and X2: For sales engineers and solution architects, this section explores the benefits and positioning of XtremIO and XtremIO X2 storage solutions. It highlights All-Flash array advantages and XtremIO's specific benefits, including high performance and efficiency. The section covers XMS Simulator usage for demonstrations, post-processing operation benefits, and XtremIO Data Protection (XDP) performance value.
Topic 4	Host Configurations in XtremIO and X2 Environments: For system administrators and storage specialists, this section explores various host configurations crucial for optimal performance in XtremIO and XtremIO X2 environments. It covers common setups like host bus adapters (HBAs) and multipathing, as well as ESXi-specific configurations. The section also addresses configurations for other operating systems such as Microsoft Windows, Linux, Sun Solaris, IBM AIX, and HP-UX, ensuring broad compatibility and performance across different IT environments.

>> D-XTR-DS-A-24 Exam Questions <<

D-XTR-DS-A-24 Latest Questions | D-XTR-DS-A-24 Valid Exam Camp Pdf

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EMC Dell XtremIO Design Achievement Sample Questions (Q45-Q50):

NEW QUESTION # 45
Which software package is required for Fast I/O Failure for the AIX operating system?

A. PowerPath
B. LVM
C. ODM
D. MPIO

Answer: D

Explanation:
MPIO (MultiPath I/O) is required for Fast I/O Failure for the AIX operating system as it helps in managing multiple paths for redundancy and failover.

NEW QUESTION # 46
You need to design a VDI solution for a customer. Which recommended best practices should be used for VDI environments?

A. Align data on 4 kB boundariesPut persona and user data on XtremIO LUNs
B. Align data on 8 kB boundariesPut the master VM image on an XtremIO LUN
C. Align data on 4 kB boundariesAllocate multiple XtremIO LUNs to each host
D. Align data on 8 kB boundariesPut all VDI-related data on one large LUN

Answer: C

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 isB.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.

NEW QUESTION # 47
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?

A. SCSI UPDATE
B. SCSI DIFF
C. SCSI DELTA
D. SCSI TRANSFER

Answer: B

Explanation:
TheSCSI DIFFinstruction 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 DELTAis not a recognized SCSI command2.
* SCSI TRANSFERis not a recognized SCSI command3.
* SCSI UPDATEis 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.

NEW QUESTION # 48
A customer wants to consolidate management of their XtremlO environment to as few XMS machines as possible. The customer's XtremlO environment consists of the following:
. Two XtremIO clusters running XIOS 4.0.2-80
. Two XtremlO clusters running XIOS 4.0.4-41
. Two XtremIO clusters running XIOS 4.0.25-27
. Two XtremIO X2 clusters running XIOS 6.0.1-27_X2
What is the minimum number of XMS machines required to complete the consolidation effort?

A. 0
B. 1
C. 2
D. 3

Answer: A

Explanation:
To consolidate the management of an XtremIO environment, the minimum number of XtremIO Management Server (XMS) machines required depends on the compatibility of the XMS with the various XtremIO Operating System (XIOS) versions present in the environment. A single XMS can manage multiple clusters as long as the XIOS versions are within the same major release family or are compatible with the XMS version.
Given the XIOS versions listed:
* Two clusters running XIOS 4.0.2-80
* Two clusters running XIOS 4.0.4-41
* Two clusters running XIOS 4.0.25-27
* Two XtremIO X2 clusters running XIOS 6.0.1-27_X2
All the clusters running XIOS version 4.x can be managed by a single XMS because they belong to the same major release family. The XtremIO X2 clusters running XIOS 6.0.1-27_X2 would typically require a separate XMS that supports the 6.x family. However, it is possible for a single XMS to manage both 4.x and 6.x clusters if the XMS version is compatible with both, which is often the case with newer XMS versions that support a wider range of XIOS versions.
Therefore, the minimum number of XMS machines required to manage all the listed clusters, assuming compatibility, is one.
References:
* Dell community discussions on vXMS version compatibility1.
* Introduction to XtremIO X2 Storage Array document, which may include details on XMS and XIOS compatibility2.
* XtremIO Bulletin Volume I-A 2022 for XIOS and XMS version guidelines3.

NEW QUESTION # 49
What should the I/O size be set to in a VMware VDI solution utilizing VAAI XCOPY on XtremIO?

A. 256 MB
B. 16 kB
C. 4 MB
D. 256 kB

Answer: D

Explanation:
In a VMware VDI solution utilizing VAAI XCOPY on XtremIO, the I/O size should be set to 256 kB.This setting is recommended to optimize the performance of the storage array during XCOPY operations, which are used to offload the copying of data within the storage array to the array itself, freeing up host resources1.
References:
* The Dell support knowledge base article on using a VAAI claim rule to set the XCOPY size when using XtremIO for ESXi hosts recommends setting the XCOPY system value to 256 kB for XtremIO arrays1.
* Additional information on VAAI XCOPY and its configuration can be found in the "Introduction to XtremIO X2 Storage Array" document, which provides insights into the system features that support such operations2.

NEW QUESTION # 50
......

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FREE PDF QUIZ EMC - HIGH PASS-RATE D-XTR-DS-A-24 - DELL XTREMIO DESIGN ACHIEVEMENT EXAM QUESTIONS

Free PDF Quiz EMC - High Pass-Rate D-XTR-DS-A-24 - Dell XtremIO Design Achievement Exam Questions