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D-XTR-OE-A-24 Exam Bootcamp & D-XTR-OE-A-24 Dumps Torrent & D-XTR-OE-A-24 Exam Simulation

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

Topic
Details

Topic 1

XtremIO Online Cluster Expansion: Storage capacity planners and system upgrade specialists will be assessed on their knowledge of expanding XtremIO clusters while systems remain operational. This section covers the identification of necessary resources, preparation steps and prerequisites, and the detailed procedures for scaling clusters from single X-Brick configurations to dual and multi X-Brick setups.

Topic 2

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 3

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 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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Free PDF Quiz 2025 First-grade EMC D-XTR-OE-A-24: Dell XtremIO Operate Achievement Certification

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EMC Dell XtremIO Operate Achievement Sample Questions (Q50-Q55):

NEW QUESTION # 50
Which performance metric is a measure of the time taken to complete an operation?

A. Latency
B. Bandwidth
C. IOPS
D. Throughput

Answer: A

Explanation:
Latency is the performance metric that measures the time taken to complete an operation. It is often described as the delay between a user's action and the response from the system to that action.In the context of storage systems like XtremIO, latency refers to the time it takes from when a read or write request is issued to when it is completed1.
Here's a breakdown of the options provided:
* A.Bandwidth: Bandwidth measures the amount of data that can be transferred over a network or processed by a system in a given amount of time.It is not a direct measure of time taken to complete an operation2.
* B.Latency: Latency is the correct answer as it specifically measures the time delay in completing an operation.It is a critical metric in storage and networking environments, where lower latency is generally indicative of faster system performance1.
* C.IOPS (Input/Output Operations Per Second): IOPS is a performance metric that measures the number of read and write operations that can be performed in one second.While it is related to system performance, it does not measure the time taken to complete a single operation2.
* D.Throughput: Throughput refers to the rate at which data is processed or transferred.It is similar to bandwidth and measures performance over time but does not specifically measure the time taken to complete an individual operation2.

NEW QUESTION # 51
What is a characteristic of the XtremlO admin account?

A. admin account can be used to install the cluster
B. admin account cannot be removed
C. admin account allows root level access
D. admin account is used to upload files directly to the XMS

Answer: B

Explanation:
The XtremIO admin account is a built-in account that is essential for the operation and management of the XtremIO storage system. One of the key characteristics of this account is that it cannot be removed from the system.This is to ensure that there is always an account available with the necessary privileges to manage and maintain the storage array1.
The admin account has a high level of access privileges, which are required for performing various administrative tasks such as managing users, configuring the system, and performing updates.While the admin account does not allow root level access as this is restricted to EMC support engineers only, it does provide a comprehensive set of capabilities for system administration1.
It's important to note that while the admin account is used for many administrative tasks, it is not typically used to upload files directly to the XMS (OA) or to install the cluster (OC).These tasks are handled through other mechanisms within the XtremIO system1.The admin account's primary role is to provide a secure and consistent way to administer the storage array, and its presence is a critical part of the system's security and operational framework1.

NEW QUESTION # 52
Which configuration options are available in the XtremIO X2 WebUl cluster security settings?

A. SNMP Heartbeat, ODX Mode, and Encryption
B. Event Handlers, User Administration, and VAAI TP Limit
C. LDAP, Login Banner, and Inactivity Timeout
D. Start Cluster, Stop Cluster, and Power-off

Answer: C

Explanation:
* In the XtremIO X2 WebUI cluster security settings, the available configuration options include LDAP, Login Banner, and Inactivity Timeout.
* These settings provide administrators with the ability to manage user authentication, customize login messages, and set inactivity timeouts for enhanced security.
* Configuring these options helps in maintaining a secure and compliant storage environment.
References:
* Dell XtremIO X2 Administration Guide
* XtremIO X2 Security Configuration Documentation

NEW QUESTION # 53
Which non-optimal configuration may have a significant effect on write operations on a Linux server connected to XtremIO?

A. Misaligned data to the 8k boundaries
B. Misaligned data to the 4k boundaries
C. Misaligned data to the 16k boundaries
D. Misaligned data to the 32k boundaries

Answer: B

Explanation:
Misalignment of data, particularly to the 4k boundaries, can significantly impact write operations on a Linux server connected to an XtremIO storage system. Here's why:
* Block Size Alignment: Modern storage systems, including SSDs used in XtremIO arrays, typically use a 4k (4096 bytes) block size for data storage1. This is the smallest unit of data that can be read or written to the storage.
* Misalignment Issues: When data is misaligned, it means that the file system's blocks do not line up with the storage device's blocks.This misalignment can cause additional read-modify-write cycles, which can degrade performance and increase latency for write operations1.
* Effect on Write Operations: If data is not aligned to the 4k boundaries, the storage system may need to perform extra work to handle the writes, as each write operation could span multiple physical blocks.This results in inefficient use of the storage array's resources and can lead to reduced throughput and increased wear on the SSDs1.
* Linux Server Configuration: On a Linux server, ensuring proper alignment is crucial for optimal performance. This can involve configuring the file system and partition alignment during the setup and using tools that can check and correct alignment issues.
In conclusion, misaligned data to the 4k boundaries (OA) is a non-optimal configuration that can have a significant effect on write operations on a Linux server connected to XtremIO.Proper alignment to the storage system's block size is essential for maintaining high performance and longevity of the storage media1.

NEW QUESTION # 54
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 # 55
......

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