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D-XTR-OE-A-24 Latest Braindumps Free - D-XTR-OE-A-24 Latest Exam Review

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

Topic
Details

Topic 1

XtremIO and X2 Maintenance: This substantial portion of the exam is tailored for storage support engineers and maintenance technicians. It evaluates the ability to identify system resources, execute power-related procedures, and interpret cluster health indicators and component resilience. Candidates should be prepared to demonstrate their proficiency in replacing various Field Replaceable Units (FRUs) and utilizing the Technician Advisor tool for system installations and health assessments.

Topic 2

XtremIO and X2 Installation: IT infrastructure specialists and data center technicians will be evaluated on their proficiency in deploying XtremIO and X2 systems. This encompasses understanding the necessary resources for installation, strategies for rack mounting components in both single and distributed cluster setups, and intricate cabling procedures for diverse configurations. The section also tests knowledge of power distribution and the process of assigning IP addresses to Storage Controllers.

Topic 3

XtremIO and X2 Initial Configuration: System administrators and storage implementation specialists will be tested on their ability to perform initial setup of XtremIO systems. This includes the deployment of the XtremIO Management Server (XMS), along with an understanding of its support options and associated safety measures. The exam also covers the installation of Easy-CLI and XtremApp, procedures for cluster setup and validation, as well as the configuration of ESRS and ESRS VE.

Topic 4

Overview of XtremIO and X2 Features: This section is designed for storage administrators and IT professionals working with Dell XtremIO systems. It examines the differences and similarities between XtremIO and X2 functionalities, with a particular focus on their graphical user interfaces and the enhancements in the X2 version. Candidates are expected to demonstrate their ability to identify and distinguish between various XtremIO and X2 model offerings.

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EMC Dell XtremIO Operate Achievement Sample Questions (Q56-Q61):

NEW QUESTION # 56

Refer to the Exhibit.
An XtremlO administrator is asked to provide a copy of a 25 TiB database to a group of users. Each user needs to have their own copy of the database in order to perform a variety of manipulations on the data. This process needs to be repeated every day of the week. The administrator is concerned about the time it will take to make the initial copy of the database and is investigating the use of snapshots of snapshots.
How does each snapshot impact its ancestor?

A. Each first access to each snapshot will trigger a COFA from its ancestor
B. Each first write to each snapshot will trigger a COFW from its ancestor
C. Each first write to a block of the production volume will trigger a COFW to each child snapshot
D. Each snapshot can be considered a unique volume and has no impact
on its ancestor

Answer: B

Explanation:
XtremIO uses a Copy-On-Write (COFW) mechanism for snapshots. When a write is performed on a snapshot, the system checks if the data block being written to has been previously written. If it has not, it copies the original data block (from the ancestor snapshot or volume) to a new location before writing the new data to ensure data consistency. This operation only happens once per block for each snapshot, thereby minimizing the performance impact.
References:
* Dell's detailed explanation of the XtremIO snapshot functionality emphasizes the efficiency of their COFW mechanism, ensuring minimal performance degradation when creating and writing to snapshots.
* XtremIO documentation highlights how snapshots are managed with in-memory metadata, which supports fast creation and access without substantial performance penalties.

NEW QUESTION # 57
A systems administrator wants to double the throughput on an existing dual XtremIO X1 10 TB X-Brick cluster. All hosts performing I/O to the cluster are configured and tuned according to Dell Technologies best practices.
To achieve the performance gain, what should be added?

A. A single 20 TB X-Brick Expansion Kit
B. A single 10 TB X-Brick Expansion Kit
C. A dual 20 TB X-Brick Expansion Kit
D. A dual 10 TB X-Brick Expansion Kit

Answer: D

Explanation:
* To double the throughput on an existing dual XtremIO X1 10 TB X-Brick cluster, adding a dual
10 TB X-Brick Expansion Kit is recommended.
* XtremIO uses a scale-out architecture, and adding a dual X-Brick expansion will increase both storage capacity and performance.
* This expansion ensures balanced performance improvement and leverages the best practices configuration already in place for the existing setup.
References:
* Dell XtremIO Scale-Out Performance Guide
* XtremIO Expansion Best Practices

NEW QUESTION # 58
A Microsoft Windows host is connected to a traditional hybrid array infrastructure. Host resource utilization increases dramatically during VSS operations. Which host-based feature can XtremIO leverage to reduce host resource utilization?

A. ODX
B. VAAI
C. MPIO
D. VSI

Answer: A

Explanation:
Offloaded Data Transfer (ODX) is a feature in Windows that enables efficient data transfer within or between compatible storage arrays, minimizing the host resources used during these operations.When a Microsoft Windows host is connected to an XtremIO array, leveraging ODX can significantly reduce the host's CPU and network resource utilization during Volume Shadow Copy Service (VSS) operations1.
* ODX Functionality: ODX offloads the data transfer workload from the host to the storage array itself.This means that data can be moved or copied within the array without passing through the host, thus not consuming host bandwidth or processing power1.
* VSS Operations: During VSS operations, which create snapshots or backups of data, there can be a significant amount of data movement.Utilizing ODX allows these operations to be handled more efficiently by the storage array, freeing up the host to perform other tasks1.
* XtremIO Compatibility: XtremIO supports ODX, which allows it to handle data movement operations internally.This is particularly beneficial in environments wherefrequent snapshots or backups are taken, as it ensures minimal impact on host performance1.
* Other Options: While MPIO (OA) is used for path redundancy and load balancing, VAAI (OB) offloads certain storage operations to the array, and VSI (OC) is a set of VMware integration tools, none of these specifically address the reduction of host resource utilization during VSS operations as effectively as ODX1.

NEW QUESTION # 59
A systems administrator recently purchased XtremlO for their Oracle environment. Along with path failover software, which best practice for HBA drivers is reinforced in the integration of Oracle with XtremIO?

A. Set the queue depth and execution throttle to "512"
B. Set the queue depth and execution throttle to "256"
C. Increase the queue depth and execution throttle to "maximum"
D. Decrease the queue depth and execution throttle to "minimum"

Answer: C

Explanation:
* For integrating Oracle with XtremIO, along with path failover software, it is best practice to increase the queue depth and execution throttle to "maximum."
* This configuration optimizes the handling of I/O requests, improving performance and efficiency.
* Properly tuning these settings ensures that the HBA drivers can handle the high I/O demands of an Oracle environment on XtremIO.
References:
* Dell XtremIO Oracle Integration Guide
* XtremIO Configuration Best Practices

NEW QUESTION # 60
When creating a volume on an XtremIO X2-S array, which option can be selected?

A. Cache enabled
B. Data block pre-allocation
C. Tags
D. Thin or thick volumes

Answer: C

Explanation:
When creating a volume on an XtremIO X2-S array, administrators have the option to assign tags.
Tags are used to organize and manage volumes more efficiently, allowing for better categorization and retrieval based on specific criteria.
This feature enhances the management capabilities within the XtremIO environment, facilitating easier identification and handling of storage resources.
References:
Dell XtremIO X2-S Configuration Guide

NEW QUESTION # 61
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Will Davis Will Davis

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