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EMC D-XTR-DS-A-24 Exam Questions Answers & Printable D-XTR-DS-A-24 PDF

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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

Designing an XtremIO X2 Solution: For solution architects and storage designers, this comprehensive section addresses design considerations and best practices for XtremIO X2 solutions. It covers performance design considerations to meet required standards, and designing solutions with features like deduplication, compression, encryption, and replication.

Topic 3

XtremIO and X2 Operations and Management: For storage administrators and IT professionals, this section of the exam covers the core components and functionalities of XtremIO and XtremIO X2 storage systems. It encompasses hardware and software components specific to XtremIO X2, architectural distinctions between XtremIO and XtremIO X2, and management of the XtremIO X2 Management Server.

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

D-XTR-DS-A-24 Exam Questions Answers & Free PDF 2025 EMC Dell XtremIO Design Achievement Realistic Printable PDF

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EMC Dell XtremIO Design Achievement Sample Questions (Q24-Q29):

NEW QUESTION # 24
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: C

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 # 25
Which XtremlO X2 hardware component provides a backup power source to save journaling data during an unplanned emergency shutdown?

A. PSU
B. BBU
C. SuperCap
D. NVRAM

Answer: C

Explanation:
In the event of an unplanned emergency shutdown, the XtremIO X2 hardware component that provides a backup power source to save journaling data is the SuperCapacitor (SuperCap). The SuperCap is designed to maintain power to the system long enough to ensure that all in-flight writes are committed to non-volatile memory, preserving data integrity.Unlike a battery backup unit (BBU) which may provide power for a longer duration, the SuperCap is specifically designed for short-term power retention to protect data during transient power interruptions1.
References:
* The User Guide for XtremIO, which includes power down and power up procedures, would typically detail the role of the SuperCap in emergency shutdown scenarios1.
* Additional information on the hardware components and their functions can be found in the Reference Architecture Guide for Dell EMC XtremIO2.

NEW QUESTION # 26
A customer's environment is configured as follows:
. Dual X-Brick cluster
. 8 ESXi hosts with 2 Emulex HBAs
. Each ESXi hosts has 8 LUNs
. Each LUN is visible through 4 paths
What should be the LUN queue depth setting per path?

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

Answer: B

Explanation:
The LUN queue depth setting per path in a customer's environment configured with a dual X-Brick cluster, 8 ESXi hosts with 2 Emulex HBAs, each ESXi host having 8 LUNs, and each LUN visible through 4 paths, should be set to1281.
This is based on the best practice recommendation for Emulex HBAs in an XtremIO environment, as mentioned in the Dell Community1.The LUN queue depth on the Emulex HBA should be set to
1281.However, this setting might need to be adjusted based on the specific storage environment and the other storage arrays that are being used12.

NEW QUESTION # 27
What should the Oracle Redo Log block size be set to in order to prevent log entries from being misaligned by read-modify-write operations for an Oracle database?

A. 4 kB
B. 8 kB
C. 24 kB
D. 16 kB

Answer: B

Explanation:
The Oracle Redo Log block size is recommended to be set to 8 kB.This is based on the best practices for Oracle 19c Database, where it was found that increasing the size of the Oracle redo logs can improve database performance12. However, it's important to note that not every workload will show significant performance increase when increasing the size of the redo logs. Customers should evaluate the AWR to determine if the redo logs have an associated high number and duration of wait times.If the redo logs show a possible bottleneck, then increasing the size of the redo logs could improve performance2.

NEW QUESTION # 28
You need to design a VDI solution for a customer. Which recommended best practices should be used for VDI environments?

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

Answer: D

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 # 29
......

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