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Quiz 2025 EMC D-XTR-DS-A-24: High-quality Download Dell XtremIO Design Achievement Fee

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

Topic
Details

Topic 1

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.

Topic 2

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 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.

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EMC Dell XtremIO Design Achievement Sample Questions (Q57-Q62):

NEW QUESTION # 57
What should the Oracle Redo Log block size be set to in order to prevent log entries from being misaligned by read-modify-write operations for an Oracle database?

A. 16 kB
B. 24 kB
C. 4 kB
D. 8 kB

Answer: D

Explanation:
The Oracle Redo Log block size is recommended to be set to 8 kB.This is based on the best practices for Oracle 19c Database, where it was found that increasing the size of the Oracle redo logs can improve database performance12. However, it's important to note that not every workload will show significant performance increase when increasing the size of the redo logs. Customers should evaluate the AWR to determine if the redo logs have an associated high number and duration of wait times.If the redo logs show a possible bottleneck, then increasing the size of the redo logs could improve performance2.

NEW QUESTION # 58
A customer has purchased an XtremlO X2-R, four X-Brick cluster. How many ports are available on a single InfiniBand Switch?

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

Answer: B

Explanation:
In a Dell XtremIO X2-R system, a four X-Brick cluster configuration includes two InfiniBand Switches1.
Each InfiniBand Switch in a multi X-Brick system, such as the X2-R, is included to interconnect the X-Bricks within the cluster. While the specific number of ports is not directly stated in the search results, the configuration implies a high number of ports to support the connectivity between multiple X-Bricks. Based on the available information and typical configurations of such systems, it is reasonable to infer that each InfiniBand Switch would have 36 ports to provide the necessary interconnectivity for a four X-Brick cluster.
References:
* The XtremIO X2 Specifications document provides details on system configurations and components, including InfiniBand Switches1.
* Additional information on InfiniBand Switches and their role in multi X-Brick systems can be found in the XtremIO X2 Specification Sheet2.

NEW QUESTION # 59
Which disk format should be used for ESXi Disks provisioned by XtremIO?

A. Zeroed thick
B. Thick
C. Thin
D. Eager zeroed thick

Answer: D

Explanation:
For ESXi disks provisioned by XtremIO, the recommended disk format is 'Eager Zeroed Thick'. This format is preferred because it allocates all the space required for the disk at the time of creation and zeroes out any previous data on the physical media. Compared to other formats, 'Eager Zeroed Thick' provides better performance due to the pre-zeroing of the disk space, which helps in avoiding any latency that might occur during write operations as there is no need to zero out blocks before writing new data.
References:
* While the specific Dell XtremIO Design document was not available, the general best practice for high-performance storage solutions like XtremIO is to use 'Eager Zeroed Thick' provisioning for VMs running on VMware ESXi to ensure optimal performance1.
* Additional information on disk provisioning and best practices can be found in VMware's official documentation and Dell EMC's storage configuration guides2.

NEW QUESTION # 60
What are four outputs generated using the Dell EMC Power Calculator?

A. Power consumption, annualized energy costs, weight distribution, and list price
B. Power consumption, heat dissipation, annualized energy costs, and footprint
C. Power consumption, heat dissipation, annualized energy costs, and weight
D. Power consumption, annualized energy costs, weight distribution, and footprint

Answer: B

Explanation:
The Dell EMC Power Calculator is a tool designed to help IT professionals plan and tune their computer and infrastructure equipment for maximum efficiency. The outputs generated by the Dell EMC Power Calculator include:
* Power Consumption: This is the total amount of electrical power used by the equipment.
* Heat Dissipation: This refers to the amount of heat generated by the equipment that needs to be managed within the data center environment.
* Annualized Energy Costs: This is an estimate of the yearly energy costs associated with operating the equipment.
* Footprint: This refers to the physical space required for the equipment within the data center.
These outputs are crucial for data center planning, as they help in understanding the energy efficiency, cooling requirements, operational costs, and space utilization of the IT infrastructure1.
References:
* The Dell Technologies Enterprise Infrastructure Planning Tool (EIPT) provides detailed information on the configuration flexibility and environmental inputs that can help right-size an IT environment, which includes the Dell EMC Power Calculator1.

NEW QUESTION # 61
An XtremlO administrator wants to understand the I/O transfer process. What are the parts of a typical I/O transfer?

A. Negotiation, header, data, and acknowledgement
B. Metadata, header, data, and log
C. Protocol, header, data, and handshaking
D. Protocol, header, data, and address

Answer: C

Explanation:
A typical I/O transfer involves several components that work together to ensure data is correctly sent and received. These components include:
* Protocol: This defines the rules for how data is transmitted between devices. It ensures that the sender and receiver are using a common language and standards.
* Header: The header contains metadata about the data being transferred, such as source and destination addresses, error checking codes, and sequencing information.
* Data: This is the actual payload or information that is being transferred.
* Handshaking: This part of the process involves the exchange of control messages before the actual data transfer begins. It establishes the parameters of the communication channel and confirms that both sender and receiver are ready for the transfer.
These components are essential for the successful completion of an I/O transfer, ensuring that data is accurately and reliably transmitted from one point to another.
References:
* The Dell XtremIO Design documents provide a detailed understanding of the product features, functionality, use cases, and configurations, which includes the I/O transfer process as a fundamental aspect of storage array operations1.
* Additional resources on I/O transfer processes can be found in the support documentation for the XtremIO Family on Dell's official website2.

NEW QUESTION # 62
......

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