Free PDF Quiz 2025 EMC D-XTR-DS-A-24: Dell XtremIO Design Achievement–Valid Dumps Collection

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

Topic	Details
Topic 1	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 2	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 3	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 4	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 5	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.

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EMC Dell XtremIO Design Achievement Sample Questions (Q21-Q26):

NEW QUESTION # 21
On an XtremlO cluster that is encrypted, where is the encryption key generated?

A. MEK
B. AK
C. WebUl
D. SED

Answer: D

Explanation:
In an XtremIO cluster that is encrypted, the encryption key is generated within the Self-Encrypting Drives (SEDs). The SEDs are responsible for encrypting and decrypting the data at rest without any performance overhead. The encryption process is transparent to the user and is managed within the drive itself. The keys are generated and stored securely within the SEDs to ensure that data cannot be accessed without proper authorization.
References:
* Dell EMC Data Domain Encryption - Frequently Asked Questions1.
* Policy Files and Default Encryption Keys in Dell Encryption2.

NEW QUESTION # 22
What is the fingerprint bit size created by the algorithm used by XtremIO?

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

Answer: A

Explanation:
The Dell XtremIO X2 Storage Array uses an inline data deduplication process which involves fingerprinting data blocks. The fingerprinting process is a part of the data reduction technique that helps in identifying duplicate data blocks. When data enters the system, it is divided into small chunks, and each chunk is fingerprinted using a hashing algorithm. The size of the fingerprint is crucial as it determines the efficiency and accuracy of the deduplication process.
The specific bit size of the fingerprint created by the algorithm used by XtremIO is256 bits.This information is derived from the detailed descriptions of the system's architecture and operation as provided in the Dell EMC XtremIO X2 Storage Array documentation1. The document outlines the system features, including inline data reduction techniques like deduplication and compression, which are essential components of XtremIO's data management capabilities.
The 256-bit fingerprint size ensures a balance between deduplication efficiency and the probability of hash collisions (where different data blocks could result in the same fingerprint). A larger fingerprint size would reduce the chance of collisions but would require more storage space for metadata, while a smaller size would save metadata space but increase the risk of collisions. Therefore, the 256-bit size is a strategic choice for the XtremIO system's deduplication process.
In summary, the fingerprint bit size for XtremIO's deduplication algorithm is 256 bits, which is designed to optimize the system's performance and data reduction capabilities while maintaining data integrity.

NEW QUESTION # 23
What is a benefit of XtremIO All Flash arrays?

A. Cost per I/O per GB is lower than spinning disk
B. Cost per I/O per GB is the same as spinning disk
C. Cost per GB is the same as spinning disk
D. Cost per GB is lower than spinning disk

Answer: A

Explanation:
XtremIO All Flash arrays provide a significant benefit in terms of cost per I/O per GB when compared to traditional spinning disks. This is due to the higher performance and efficiency of flash storage, which delivers faster data access speeds and better I/O rates. As a result, the cost per I/O operation, when spread over the total capacity of the storage (GB), is lower for all-flash arrays.This efficiency translates into better overall value, especially for workloads that require high I/O throughput1.
References:
* It is a common understanding that all-flash arrays, like XtremIO, offer better performance and efficiency compared to spinning disks, which results in a lower cost per I/O per GB1.
* The "Introduction to XtremIO X2 Storage Array" document from Dell Technologies highlights the efficiency of the storage array, which contributes to reducing the $/GB cost of storage2.
* Additional data from industry sources supports the notion that all-flash storage can be more cost-effective in the long run due to operational cost reductions and lower total cost of ownership (TCO) over time1.

NEW QUESTION # 24
Which software package is required for Fast I/O Failure for the AIX operating system?

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

Answer: B

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 # 25
What can be demonstrated with the XMS Simulator?

A. Initializing cluster
B. Configuring connectemc
C. Creating volumes
D. Deploying XMS

Answer: C

Explanation:
The XtremIO XMS Simulator can be used for various purposes, including demos, product training, comparing XMS/XtremIO version release functionality, testing scripts against XtremIO's RESTful API, and XtremIO development, testing, and simulation1. Among the options provided, creating volumes is a task that can be demonstrated with the XMS Simulator.This is because the simulator allows users to interact with a simulated XtremIO environment, which includes managing and operating volumes as part of the overall management simulation1.

NEW QUESTION # 26
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Free PDF Quiz 2025 EMC D-XTR-DS-A-24: Dell XtremIO Design Achievement–Valid Dumps Collection

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

New D-XTR-DS-A-24 Test Price & D-XTR-DS-A-24 Valid Test Practice

EMC Dell XtremIO Design Achievement Sample Questions (Q21-Q26):

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