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Actual D-XTR-OE-A-24 Test, Exam D-XTR-OE-A-24 Introduction

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

Topic
Details

Topic 1

XtremIO and X2 Hardware Fundamentals: System engineers and storage architects will find this section essential as it explores the architectural aspects of XtremIO and X2 systems. The exam assesses knowledge of InfiniBand switch options, battery backup solutions including SuperCap technology, and Disk Array Enclosure capacities. Candidates should also be well-versed in XtremIO X2 configuration options and the intricacies of port management.

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.

Topic 5

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.

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EMC Dell XtremIO Operate Achievement Sample Questions (Q44-Q49):

NEW QUESTION # 44
In the XtremIO X1 web interface dashboard, how is the Compression ratio calculated?

A. Volume Capacity divided by Physical Space Used
B. Logical Space in Use divided by Unique Data
C. Unique Data divided by Physical Space Used
D. Logical Space in Use divided by Physical Space Used

Answer: D

Explanation:
The Compression ratio in the XtremIO X1 web interface dashboard is calculated by dividing theLogical Space in Useby thePhysical Space Used. This ratio provides an indication of the data reduction achieved through compression by comparing the amount of logical data (the size of data before compression) to the actual physical space it occupies after compression.
* Logical Space in Use: This represents the total size of the data as it would appear without any compression. It's the amount of space the data would consume if it were stored uncompressed.
* Physical Space Used: This is the actual amount of storage space used on the SSDs after the data has been compressed. It reflects the efficiency of the compression algorithm in reducing the size of the data.
* Compression Ratio Calculation: The compression ratio is obtained by dividing the Logical Space in Use by the Physical Space Used. A higher ratio indicates more effective compression, meaning that the data occupies significantly less physical space compared to its original size.
The compression ratio is a critical metric in storage systems as it directly impacts the total effective capacity of the array.In the context of XtremIO, which is known for its data reduction technologies, monitoring the compression ratio helps in understanding the efficiency of storage utilization and planning for capacity1.
Please note that while I can provide general information on how compression ratios are typically calculated in storage systems, for the verified answer as per the Official Dell XtremIO Operate Achievement documents, you would need to consult the document directly or seek information from a Dell-certified professional who has access to the latest materials and training.

NEW QUESTION # 45
What is a characteristic of Data at Rest Encryption in XtremIO?

A. Encryption feature can be removed automatically
B. Authentication Key PIN is only used to lock SSD encryption
C. Data Encryption Key is shared between self-encrypting drives
D. Prevents unauthorized access in the event of media theft or loss

Answer: D

Explanation:
* XtremIO implements Data at Rest Encryption (DARE) to secure data on its SSDs.
* This encryption method is designed to prevent unauthorized access to data if the physical media is stolen or lost.
* The encryption process involves using a Data Encryption Key (DEK) for each drive, ensuring that data cannot be read without proper authentication.
* This feature is crucial for maintaining data integrity and security, especially in scenarios involving sensitive or critical information.
References:
* Dell XtremIO Security Guide
* Data Encryption at Rest Technical Overview

NEW QUESTION # 46
What is a specific configuration guideline that should be followed when configuring Linux hosts to support XtremIO storage?

A. Set the LUN queue depth to 64
B. Assign LUN 0 to the boot LUN
C. Set the execution throttle to 35025
D. Enable the I/O elevator

Answer: A

Explanation:
* Configuring Linux hosts to support XtremIO storage involves setting the LUN queue depth to 64.
* This configuration ensures optimal performance by allowing the host to handle multiple I/O operations concurrently, matching the capabilities of the XtremIO array.
* Proper tuning of the LUN queue depth is crucial for maximizing throughput and minimizing latency in high-performance storage environments.
References:
* Dell XtremIO Host Configuration Guide for Linux
* Host Configurations in XtremIO Environments

NEW QUESTION # 47
In addition to HBA driver configuration, file system queue depth, and data alignment, what other host configuration should be verified when connecting new hosts to XtremIO arrays?

A. Volume size
B. Path bandwidth
C. SSD bandwidth
D. Snapshot size

Answer: B

NEW QUESTION # 48
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. MPIO
B. VAAI
C. ODX
D. VSI

Answer: C

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 # 49
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