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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 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 4

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.

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EMC Dell XtremIO Design Achievement Sample Questions (Q29-Q34):

NEW QUESTION # 29
When using the XtremIO PoC Toolkit, what is the purpose of the Age phase?

A. Continuously write to a specific range of logical block addresses to test Flash durability
B. Test the performance of the All-Flash array with non-production static data
C. Scatter writes across the entire array to simulate ordinary use of the system
D. Overwrite each LUN multiple times to ensure they contain all unique data

Answer: D

Explanation:
The purpose of the Age phase in the XtremIO PoC (Proof of Concept) Toolkit is to overwrite each LUN (Logical Unit Number) multiple times to ensure that they contain all unique data.This process is crucial for simulating a real-world scenario where the storage array has been in use for some time, which allows for the evaluation of the performance and behavior of the All-Flash array under more typical conditions1.
References:
* The XtremIO PoC Toolkit documentation, which outlines the procedures and phases used during a proof of concept to evaluate the performance and capabilities of the XtremIO storage system1.
* Discussions and resources available on professional forums and communities that share insights into the use and stages of the XtremIO PoC Toolkit2.

NEW QUESTION # 30
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?

A. Two HBA connections per host
Single initiator/multiple targets per zone
Maximum of 16 paths for each device
Host connected to each SAN switch
B. First 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
C. Single 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
D. Two 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: A

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.
References:
* 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.

NEW QUESTION # 31
A customer has a complex virtualized environment and wants to see a topology view from virtual or physical hosts down to the storage array volumes to identify application to storage dependencies.
Which Dell EMC product provides this solution?

A. Technician Advisor
B. ViPR SRM
C. XtremIO VAAI plug in
D. AppSync

Answer: B

NEW QUESTION # 32
Where does XtremIO keep metadata at all times on an active cluster?

A. Storage Controller trace disks
B. Snap shots
C. XMS storage
D. Memory

Answer: D

Explanation:
XtremIO maintains metadata in memory at all times on an active cluster. This in-memory metadata architecture is a key feature of XtremIO that significantly boosts performance.While metadata is kept in memory for runtime operations, it is also journaled, protected, and hardened to SSD to tolerate any failure event in the array, ensuring data integrity and system resilience1.
References:
* The blog post "XtremIO's In-Memory Metadata Architecture - Fact and Fiction" on Dell's official website provides a detailed explanation of how metadata is managed within the XtremIO system1.
* The document "Introduction to XtremIO X2 Storage Array" further elaborates on the system architecture and the role of metadata in the operation of the storage array2.

NEW QUESTION # 33
What is an accurate statement about XtremIO XVC refresh operations?

A. Unmount of a production volume is not required
B. O/S side device scan is not required
C. Refreshed volume cannot be resized
D. Only snapshot-to-production refresh is supported

Answer: A

Explanation:
XtremIO XVC (XtremIO Virtual Copies) allows for efficient snapshot management and operations, including the refresh of volumes. One of the key features of XVC is that it enables the refresh of a production volume from a snapshot without requiring the volume to be unmounted from the host. This capability is designed to minimize disruption and maintain continuous availability of data to applications during refresh operations.The refresh operation is handled within the XtremIO storage array, and the production volume remains accessible to the host during this process1.
References:
* The Dell XtremIO Design Achievement document provides information on the capabilities and features of XtremIO X2 systems, including XVC operations1.
* Additional details on XVC refresh operations can be found in the support documentation for the XtremIO Family on Dell's official website2.

NEW QUESTION # 34
......

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