100% PASS 2025 EMC HIGH PASS-RATE RELIABLE D-XTR-DY-A-24 TEST CRAM

100% Pass 2025 EMC High Pass-Rate Reliable D-XTR-DY-A-24 Test Cram

100% Pass 2025 EMC High Pass-Rate Reliable D-XTR-DY-A-24 Test Cram

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

TopicDetails
Topic 1
  • XtremIO X1 and X2 Hardware Fundamentals: For storage systems engineers and administrators, this section of the exam covers identification and description of XtremIO X1 and X2 hardware components, cluster offerings, and field-replaceable units (FRUs).
Topic 2
  • Oracle and VDI deployment challenges, best practices, and considerations in XtremIO environments.
Topic 3
  • XtremIO X1 and X2 Initial Configuration: For storage system administrators and configuration specialists, this part of the exam covers XtremIO Management Server (XMS) installation options, requirements, and deployment considerations.

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EMC Dell XtremIO Deploy Achievement Sample Questions (Q17-Q22):

NEW QUESTION # 17
A systems administrator has been informed that a new backup policy has been put in place for 500 production volumes on an XtremIO X2-R array. The 500 production volumes must be backed up four times a day at 8 AM, 12 PM, 4 PM, and 10 PM daily. The backup copies must be read only using the Protection Copies feature provided by the XtremIO 6.x code.
How many days of XtremlO Virtual Copy read only volumes can the array store before the original backups are deleted?

  • A. 0
  • B. 1
  • C. 2
  • D. 3

Answer: B

Explanation:
* Backup Policy and XtremIO Virtual Copy: The system administrator needs to ensure that the backup policy using XtremIO Virtual Copy (XVC) can store the required read-only copies without exceeding the storage limits.
* Calculating Days of Storage:
* 500 production volumes are backed up 4 times a day.
* Total copies created per day: 500 volumes * 4 backups/day = 2000 copies/day.
* Assuming the array can store a specific number of copies before older ones are deleted, let's determine the duration:
* Duration Calculation:
* If the array can store copies for 5 days, it can handle: 2000 copies/day * 5 days = 10,000 copies.
* Thus, the array can store the backup copies for 5 days before the original backups are deleted to make space for new ones.
References:
* Dell XtremIO 6.x User Guide
* XtremIO Virtual Copy and Protection Copies Features
* Dell XtremIO Deployment Services


NEW QUESTION # 18
A four X-Brick XtremlO X1 cluster was installed in a customer's data center. In order to adequately supply power to all PDUs to this cluster, how many PDPs need to be connected to an electrical source?

  • A. 0
  • B. 1
  • C. 2
  • D. 3

Answer: C

Explanation:
For a four X-Brick XtremIO X1 cluster, the total number of Power Distribution Panels (PDPs) that need to be connected to an electrical source is eight. This is based on the standard configuration for a four X-Brick cluster, which typically includes two power supplies per X-Brick and additional power supplies for the InfiniBand switches and other components1.
The process for connecting PDPs involves:
Identifying Power Requirements: Determine the power requirements for each component of the XtremIO X1 cluster, including X-Bricks and InfiniBand switches.
Allocating PDPs: Allocate the necessary number of PDPs based on the power requirements identified.
Connecting to Electrical Source: Connect each PDP to the electrical source, ensuring that the power distribution is balanced and meets the cluster's needs.
Verifying Power Supply: After connecting, verify that all components are receiving adequate power for operation.
Ensuring Redundancy: Ensure that there is redundancy in the power supply to protect against failures.


NEW QUESTION # 19
You are creating a virtual disk for a VMware VM running on vSphere 6.5. The VM will reside on a datastore provisioned from an XtremIO volume. You want to ensure proper performance and capacity usage.
How should the disk be presented to the guest?

  • A. Thin Provisioned
  • B. Raw Device Mappings
  • C. Thick Provisioned, Lazy Zero
  • D. Thick Provisioned, Eager Zero

Answer: D

Explanation:
For a VMware VM running on vSphere 6.5 that will reside on a datastore provisioned from an XtremIO volume, the disk should be presented to the guest as Thick Provisioned, Eager Zero (EZT). This is recommended for the best performance and efficient capacity usage.
Thick Provisioning, Eager Zero: This type of provisioning allocates all the space required for the virtual disk upfront and marks all the space as zeroed. This means that the physical space is reserved and zeroed on the storage array, ensuring that the VM does not have to wait for space to be allocated or zeroed before writing data. This can lead to better performance, especially for I/O-intensive applications1.
XtremIO and EZT: XtremIO arrays are particularly well-suited for EZT because they use inline deduplication and never actually have to zero out physical media. The metadata is kept in memory, and writes are journaled to memory before being saved to SSDs. XtremIO uses VAAI (vStorage APIs for Array Integration) to accelerate zeroing operations, so hosts do not have to write zeros, and the allocation of EZT virtual disks is a very quick operation1.
Performance Considerations: For applications that require low latency, such as databases, using EZT reduces overall latency for the application. Since XtremIO arrays are designed to handle such operations efficiently, the initial zeroing process with EZT, which could take a long time on traditional storage architectures, is significantly faster1.
In conclusion, for ensuring proper performance and capacity usage for a VM on vSphere 6.5 with an XtremIO volume, Thick Provisioned, Eager Zero is the recommended method of disk presentation.


NEW QUESTION # 20
What is the total number of power connectors that must be available in a customer rack for an XtremIO X2 dual X-Brick cluster configuration without a physical XMS installed?

  • A. 0
  • B. 1
  • C. 2
  • D. 3

Answer: D

Explanation:
For an XtremIO X2 dual X-Brick cluster configuration without a physical XMS installed, the total number of power connectors required in a customer rack is 8. This is based on the system specifications which state that a 2 Brick Cluster requires 16 x IEC C14 power sockets1. Since the physical XMS would typically require additional power sockets, and it is not included in this configuration, the total number of power connectors needed would be less than the specified 16.
Here's the breakdown:
Each X-Brick in a dual X-Brick configuration would require power for its controllers and DAEs.
The InfiniBand switches included in a multi X-Brick system would also require power.
Without the physical XMS, which would normally need its own power connectors, the total comes down to 8 connectors required for the dual X-Brick setup1.


NEW QUESTION # 21

Based on the exhibit, which ports are used for FC2 and iSCSI 1 connections?

  • A. a and c
  • B. b and c
  • C. b and d
  • D. a and d

Answer: A

Explanation:
* Port Identification: Based on the exhibit, ports a, b, c, and d need to be identified correctly.
* Port a: Typically used for Fibre Channel (FC) connections.
* Port c: Typically used for iSCSI connections.
* FC2 and iSCSI 1 Connections: Ports a and c correspond to FC2 and iSCSI 1 connections respectively.
References:
* Dell XtremIO Installation Guide
* XtremIO User Guide
* Dell XtremIO Deployment Services


NEW QUESTION # 22
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