[2024年12月] 問題集簡単概要D-RP-OE-A-24試験問題JPNTest
D-RP-OE-A-24トレーニング認証最新版をゲットData Protection
質問 # 11
Why is Image Access instantaneous when testing a copy with XtremlO arrays?
- A. No rolling forward or backward of the Journal is required
- B. XtremlO completes the copy "roll back" as a background task
- C. RecoverPoint uses XtremIO synchronous Snap-based replication
- D. RecoverPoint performs initialization based on the DIFF result
正解：A
解説：
When using XtremIO arrays with RecoverPoint, Image Access is instantaneous because there is no need to roll the Journal forward or backward. This is due to the way XtremIO handles snapshots, which are used by RecoverPoint during the Image Access process:
* Snapshot Creation: XtremIO creates snapshots very efficiently, without the need for a full copy of the data. These snapshots are pointer-based, meaning they reference the original data without duplicating it.
* Instant Access: When Image Access is initiated, RecoverPoint can immediately present a snapshot to the host because it's simply a matter of accessing the pointers to the existing data, rather than having to roll data forward or backward in the Journal.
* Continuous Replication: Even while Image Access is in use, replication and distribution continue unaffected, ensuring that protection of the production data is maintained1.
This capability is part of what makes XtremIO an effective storage solution for environments requiring rapid access to multiple data points for testing, development, or recovery purposes1.
質問 # 12
A RecoverPoint storage administrator needs to protect a mission critical application. The application is stored on three volumes provisioned from a new VNX. Once the Consistency Group is created for the application, how many replication sets will the group contain?
- A. 0
- B. 1
- C. Determined by the number of copies
正解：A
解説：
In Dell RecoverPoint, a Consistency Group is built from one or more replication sets.Each replication set consists of a production volume plus any local or remote copy volumes to which it is replicating1. Since the mission-critical application is stored on three volumes, and each volume will be part of a replication set, the Consistency Group for the application will contain three replication sets.This ensures that all three volumes are protected and replicated as part of the RecoverPoint protection strategy1.
It's important to note that the number of replication sets in a Consistency Group is equal to the number of production volumes being replicated.Therefore, if an application spans multiple volumes, each volume will be part of its own replication set within the Consistency Group1.
質問 # 13
A storage administrator has seen high-load events in their RecoverPoint environment. The administrator wants to review the performance data for the past week with RecoverPoint. In addition, the administrator wants the raw data saved to a spreadsheet to review and create graphs of system performance over a period of time.
Which CLI command should be used?
- A. get_rpa_statistics
- B. detect_bottlenecks
- C. balance_load
正解：C
解説：
To review the performance data for the past week in a RecoverPoint environment and save the raw data for further analysis, the export_statistics CLI command should be used. This command allows the administrator to export the performance statistics data, which can then be saved to a spreadsheet and used to create graphs or conduct detailed analysis of system performance over time. The steps to use this command are:
* Access the CLI: Log into the RecoverPoint CLI using the appropriate credentials.
* Execute the Command: Run the export_statistics command to gather the performance data.
* Save the Data: The command will generate the performance data, which can be saved to a file.
* Analyze the Data: Open the saved file in a spreadsheet application to review the data and create graphs as needed.
This command is particularly useful for administrators who need to monitor and analyze the performance of their RecoverPoint environment over a specific period1.
質問 # 14
An application protected by RecoverPoint has spanned onto a second XtremlO system. How can this application continue to be protected by RecoverPoint?
- A. Extend the existing Consistency Group onto the second XtremIO system
- B. Encapsulate the application volumes using VPLEX and use the VPLEX splitter
- C. Reconfigure the existing Consistency Group to be a Distributed Consistency Group
- D. Create another Consistency Group and define group sets with periodic parallel bookmarks
正解：C
解説：
When an application protected by RecoverPoint spans onto a second XtremIO system, it is necessary to ensure that the protection extends across both systems. The appropriate action in this scenario is to reconfigure the existing Consistency Group to be a Distributed Consistency Group.This allows for the inclusion of multiple storage systems under the same protection umbrella, ensuring that all parts of the application, even those that span multiple systems, are consistently protected1.
A Distributed Consistency Group in RecoverPoint is designed to maintain synchronous or asynchronous replication across different arrays, which may be geographically dispersed.This ensures that write operations are captured and replicated in a manner that maintains the consistency of the application data, regardless of the underlying storage system1.
For detailed guidance on configuring Distributed Consistency Groups and extending protection to additional storage systems, it is recommended to refer to the official Dell RecoverPoint documentation or contact Dell EMC support for assistance tailored to the specific configuration and version of the RecoverPoint system being used1.
質問 # 15
What is the minimum size of a Journal when using Distributed Consistency Groups?
- A. 80 GB
- B. 20 GB
- C. 10 GB
- D. 40 GB
正解：D
解説：
For Distributed Consistency Groups in a Dell RecoverPoint environment, the minimum size required for each journal volume is 40 GB.This is the minimum per copy, which can be a single LUN or multiple LUNs that add up to at least 40 GB1.
The size of the journal is determined by the write change rate of what is being replicated and the protection window required per Consistency Group. A general rule of thumb is about 15-20% of the total amount of data being replicated.For example, if a Distributed Consistency Group (DCG) has production server LUNs totaling
500 GB, then the journal per copy would be about 100 GB following this rule1.
It's important to note that while 40 GB is the minimum, the actual size may need to be larger depending on the specific requirements and write change rate of the environment.The journal size should be sufficient to handle the data changes and provide the necessary protection window1.
質問 # 16
During the Write phase of RecoverPoint replication, when does the write splitter send an acknowledgement back to the host that initiated the write?
- A. After the splitter has received an acknowledgement from the production LUN
- B. After the splitter has received an acknowledgement from the RPAs
- C. As soon as the splitter receives the write
- D. After the Distribution phase has completed
正解：A
解説：
* RecoverPoint Write Phase:
* In the RecoverPoint replication process, the write splitter plays a crucial role in intercepting writes from the host and forwarding them to both the production storage and the RecoverPoint appliances (RPAs).
* Write Splitter Functionality:
* The write splitter intercepts write I/O requests from the host and splits the I/O to both the production LUN and the RPAs. This ensures that the data is written to both the primary storage and replicated copies.
* Acknowledgement Process:
* During the write phase, the write splitter must ensure that the data is successfully written to the production LUN before acknowledging the write request back to the host.
* This is because the primary concern is ensuring data integrity and confirming that the data is safely stored in the production environment before any replication considerations.
* Detailed Workflow:
* Step 1: Host issues a write request.
* Step 2: The write splitter intercepts the write request.
* Step 3: The write splitter forwards the write to the production LUN and the RPAs.
* Step 4: The production LUN processes the write and sends an acknowledgement back to the write splitter.
* Step 5: Upon receiving the acknowledgement from the production LUN, the write splitter then sends an acknowledgement back to the host.
質問 # 17
If a VPLEX distributed device is selected during the RecoverPoint Consistency Group Creation wizard, which option will appear?
- A. Ability to create a MetroPoint Consistency Group
- B. Section to define production and replica Journals on unregistered storage arrays
- C. Radio button to select which cluster will be the winning cluster upon the initialization of the Consistency Group
- D. List of LUNs which are less than 10 TBs in size; the size limit for distributed devices
正解：A
解説：
When a VPLEX distributed device is selected during the RecoverPoint Consistency Group Creation wizard, the option to create a MetroPoint Consistency Group becomes available. This is because MetroPoint is a feature that leverages VPLEX distributed devices for enhanced data protection and disaster recovery capabilities. The steps involved in this process typically include:
* Selecting the VPLEX distributed device: During the creation of a Consistency Group, you choose the VPLEX distributed device as the source of replication.
* MetroPoint option appears: Once a VPLEX distributed device is selected, the wizard presents the option to create a MetroPoint Consistency Group.
* Configuring the MetroPoint Consistency Group: If you choose to create a MetroPoint Consistency Group, you will then configure the necessary settings, such as replication mode and RPO (Recovery Point Objective).
* Finalizing the setup: After configuring the settings, you finalize the creation of the Consistency Group, which now has the enhanced capabilities provided by the MetroPoint feature1.
MetroPoint Consistency Groups are designed to provide continuous data protection and availability across multiple sites, combining the benefits of VPLEX Metro with the third-site replication provided by RecoverPoint1.
質問 # 18
Where are incoming writes sent to during the Write phase of the RecoverPoint workflow?
- A. Copy Journal
- B. Consistency Groups' assigned RPA
- C. Remote clusters' primary RPA
- D. Production Journal
正解：B
解説：
1.The production host writes data to the production volumes, but is first intercepted by the splitter. The splitter sends the write data to the RPA.
2.Immediately upon receipt of the write data, the local RPA returns an acknowledgement (ACK) to the splitter.
3.The splitter then writes the data to the production storage volume.
4.The storage system returns an ACK to the splitter upon successfully writing the data to storage.
5.The splitter sends an ACK to the host that the write has been completed successfully
質問 # 19
A RecoverPoint administrator wants to use the compression setting to save bandwidth in their environment.
What will be the impact of changing the link compression setting on aConsistency Group?
- A. Journal history will be lost
- B. Long resynchronization
- C. Temporary high-load
正解：A
解説：
Changing the link compression setting on a RecoverPoint Consistency Group can result in a temporary high-load on the system. This is because when compression is enabled or settings are changed, the system needs to compress the existing data before it can be transmitted, which requires additional processing power and can temporarily increase the load on the RecoverPoint Appliances (RPAs).
The process involves:
* The administrator changes the link compression setting in the Consistency Group configuration.
* The RPAs begin compressing the data that needs to be replicated across the network.
* This compression process increases the CPU and memory usage on the RPAs, leading to a temporary high-load situation.
* Once the initial compression is completed, the system load returns to normal levels, and replication continues with the new compression setting in effect.
It's important to note that while the system is under high-load, there might be a temporary impact on performance, but this does not affect the integrity of the replication or the Journal history.The system is designed to handle such temporary increases in load without losing any critical data1.
質問 # 20
A database team is performing tests against a PIT copy of data. Their write activity is going to exceed the currently allocated amount of space dedicated to Image Access mode.
What should be done to allow testing to continue without disruption to their testing?
- A. Navigate to Protection > Manage Protection > Select the CG from the list and select the copy.
Click Edit, and then increase the reserved image access percentage from 20% - B. Expand the Journal volume using native array tools.
Navigate to Protection > Manage Protection > Select the CG from the list and select the copy.
Click Edit Journal, and then select "Expand Journal". - C. Use the config_copy_group= copy= policy image_access_log_size= CLI command
- D. Navigate to Protection > Manage Protection > Select the CG from the list and select the copy.
Click Edit Journal, and add one or more additional Journal volumes.
正解：D
解説：
When the database team's write activity is expected to exceed the space allocated for Image Access mode in RecoverPoint, additional Journal volumes need to be added to accommodate the increased write activity. This can be done through the Unisphere for RecoverPoint interface:
* Navigate to Protection: Access the Protection menu in the Unisphere for RecoverPoint.
* Manage Protection: Go to the Manage Protection section.
* Select the Consistency Group (CG): Choose the appropriate CG from the list.
* Select the Copy: Click on the copy that is being used for the Point-in-Time (PIT) testing.
* Edit Journal: Click on the Edit Journal option.
* Add Journal Volumes: Add one or more additional Journal volumes to ensure there is enough space for the write activity during the testing periD.
By adding additional Journal volumes, the database team can continue their testing without disruption due to space limitations in the Image Access mode1.
質問 # 21
A company is using XtremlO for their RecoverPoint environment. They have approximately 100 GB of cumulative changes per day with the change being constant throughout the day. The company has a requirement to roll back 48 hours.
How should the Journals be sized and how should the copy policy be configured to ensure maximum protection with the least amount of storage used?
- A. 10 GB with the "Required Protection Window" set for 2 days
- B. 5 GB with the "Required Protection Window" set for 2 days
- C. 40 GB with the "Required Protection Window" set for 2 days
- D. 200 GB with the "Required Protection Window" set for Default
正解：D
解説：
* Calculate Daily Changes: With 100 GB of cumulative changes per day, the total amount of changes over two days would be 200 GB.
* Determine Journal Size: The Journal size must be large enough to store all the changes for the required rollback periD.Therefore, a Journal size of 200 GB is necessary.
* Set Protection Window: The "Required Protection Window" should be set for 2 days to match the rollback requirement.
* Configure Copy Policy: The copy policy should be configured to ensure that the Journal maintains the point-in-time images for at least 48 hours.
By following these steps, the company can ensure maximum protection with the least amount of storage used, while also meeting their rollback requirements1234.
質問 # 22
In order to automatically provision Journal volumes, what does RecoverPoint require when this feature is used?
- A. Dedicated RecoverPoint Appliance
- B. Consistency Group for each Journal volume
- C. Total volume count must be less than 8,000
- D. Dedicated Resource Pools
正解：D
解説：
When using the automatic journal provisioning feature in RecoverPoint, the system requires dedicated resource pools to be set up.These resource pools are predefined storage resources that RecoverPoint can utilize to automatically create and allocate Journal volumes as needed when adding a Consistency Group1.
The process for setting up automatic journal provisioning typically involves:
* Creating Resource Pools: The administrator defines resource pools within the storage array, dedicating specific storage resources for RecoverPoint's use.
* Configuring RecoverPoint: Within the RecoverPoint configuration, the administrator specifies that these resource pools are to be used for automatic journal provisioning.
* Adding a Consistency Group: When a new Consistency Group is added, RecoverPoint automatically provisions Journal volumes from the dedicated resource pools without manual intervention by the administrator.
* Monitoring and Managing Journals: The administrator can monitor the automatically provisioned Journals and manage them as necessary through the RecoverPoint management interface.
This feature streamlines the process of setting up and managing Journal volumes, making it more efficient and less prone to human error1.
質問 # 23
What is a possible option to store the "Collect System Information" file using RecoverPoint Unisphere?
- A. FTP server configured on the RPA cluster
- B. External temporary FTP server
- C. Local RPA
- D. Syslog server
正解：A
解説：
When using RecoverPoint Unisphere to collect system information, the "Collect System Information" file can be stored on an FTP server that is configured on the RPA cluster. This allows for centralized storage and easy access to the file for further analysis or troubleshooting. The steps typically involve:
* Accessing Unisphere: Log into the RecoverPoint Unisphere interface.
* Running the Wizard: Navigate to the appropriate section and run the "Collect System Information" wizard.
* Choosing Storage Option: Select the option to store the file on an FTP server configured on the RPA cluster.
* Retrieving the File: Access the FTP server to retrieve the "Collect System Information" file as needed.
This method ensures that the collected system information is securely stored and can be accessed by authorized personnel for maintenance or support purposes1.
質問 # 24
An administrator wants to integrate Site Recovery Manager (SRM) with RecoverPoint. Where should the RecoverPoint storage replication adapter be installed?
- A. On servers running SRM service only
- B. On a newly installed server
- C. On servers running VCenter only
- D. On the same servers running VCenter and the SRM service
正解：A
解説：
To integrate Site Recovery Manager (SRM) with RecoverPoint, the storage replication adapter is a critical component that allows SRM to manage RecoverPoint replication properly. The installation steps are as follows:
* Identify SRM Servers: Determine which servers are running the VMware Site Recovery Manager
* service.
* Install SRA: Install the RecoverPoint SRA on each of the SRM server hosts at both the recovery and protected sites.
* Verify Installation: Ensure that the SRA is correctly installed and recognized by the SRM service.
* Configure Replication: Use the SRA within SRM to configure and manage replication settings for disaster recovery.
It's important to use the most current version of the SRA to ensure optimal compatibility and available features.The SRA can be downloaded from the VMware website, and the SRA release notes and product documentation should be consulted to determine compatibility with SRM versions1.
質問 # 25
When replicating a Consistency Group between clusters using XtremlO at each site that are connected through Fibre Channel, what is the maximum throughput per RPA?
- A. 240 MB/s
- B. 300 MB/s
- C. 150 MB/s
- D. 450 MB/s
正解：B
解説：
When setting up replication for a Consistency Group between clusters using XtremIO storage arrays at each site connected through Fibre Channel, the maximum throughput that can be expected per RecoverPoint Appliance (RPA) is 300 MB/s. This throughput is a measure of how much data can be transferred from one site to another per second by each RPA involved in the replication process.
The throughput capacity is important for planning and ensuring that the RecoverPoint system can handle the expected data load during replication activities. It affects the Recovery Point Objective (RPO) and the overall efficiency of the disaster recovery setup.The 300 MB/s figure provides a benchmark for administrators to gauge the performance capabilities of their RecoverPoint system when used in conjunction with XtremIO storage arrays1.
It's important to note that actual throughput can vary based on several factors, including network conditions, the amount of data being replicated, and the specific configuration of the RecoverPoint and XtremIO systems1.
質問 # 26
Which parameter is used as the Locking ID for a RecoverPoint/EX license?
- A. RecoverPoint Cluster ID
- B. XtremIO Management Server number
- C. Array serial number
- D. RecoverPoint System ID
正解：D
解説：
The Locking ID for a RecoverPoint/EX license is typically associated with a unique identifier of the RecoverPoint system itself. This ID ensures that the license is applied to the correct system and is not interchangeable with other systems or components.The RecoverPoint System ID serves as this unique identifier, which is used to lock the license to a specific RecoverPoint installation1.
It's important to note that licensing information can be complex and may vary depending on the specific configuration and version of the RecoverPoint system.For the most accurate and up-to-date information, it is always best to consult the latest official Dell RecoverPoint documentation or contact Dell EMC support directly1.
質問 # 27
Which Consistency Group setting is directly affected by the maximum Journal lag setting?
- A. Compression
- B. RPO
- C. Deduplication
正解：A
解説：
The Journal lag in a Dell RecoverPoint system refers to the amount of data that has been written to the production volumes but has not yet been replicated to the remote site or copy volumes. The maximum Journal lag setting affects the RPO because it determines the maximum allowable time or data volume that can pass before the data must be replicated to the remote site to meet the recovery objectives.
Here's how the Journal lag impacts the RPO:
* Journal Lag Definition: Journal lag is the measure of the difference between the most recent write to the production volume and what has been replicated to the copy volume.
* RPO Impact: The RPO is the maximum targeted period in which data might be lost from an IT service due to a major incident. If the Journal lag exceeds the maximum setting, itmeans that the RPO could be breached, as there would be more data at risk of being lost than what is acceptable per the RPO policy.
* Management Actions: Administrators can monitor and manage the Journal lag to ensure that the RPO is maintained. If the lag approaches the maximum setting, actions may be taken to increase replication throughput or address any issues causing replication delays.
In summary, the maximum Journal lag setting is crucial for ensuring that the RPO is met, as it directly influences the amount of data that could be lost in the event of a failure or disaster1.
質問 # 28
In order to balance the workload of a RecoverPoint system, an administrator decided to change the primary RPA for specific Consistency Groups. Where is this setting configured?
- A. Copy Policy tab for the remote copy
- B. Link Policy tab for the Consistency Groups
- C. Group Policy tab for the Consistency Groups
- D. Copy Policy tab for the production copy
正解：C
解説：
The setting to change the primary RecoverPoint Appliance (RPA) for specific Consistency Groups is configured under the Group Policy tab for the Consistency Groups.This tab allows administrators to manage and adjust policies that affect the entire Consistency Group, including the assignment of the primary RPA, which is responsible for managing the replication for the group1.
The process for changing the primary RPA typically involves:
* Accessing the Unisphere for RecoverPoint interface.
* Navigating to the Consistency Groups section.
* Selecting the specific Consistency Group to be modified.
* Going to the Group Policy tab.
* Adjusting the settings to designate a new primary RPA for the group.
This change can help balance the workload across the RPAs in the RecoverPoint system, ensuring that no single RPA becomes a performance bottleneck and that the replication process remains efficient and effective1.
質問 # 29
A storage administrator has one production site and one remote site. The administrator configured the RecoverPoint with VNX(SE) cluster at both sites. The current environment has two Consistency Groups configured with two copies each; one production copy and one remote copy.
Based on the company's growing business requirements, the
administrator has been asked to keep a local copy of the production data.
Which action should occur in order to meet this requirement?
- A. Upgrade the RecoverPoint with VNX(SE) license to RecoverPoint/EX and then reconfigure the Consistency Group
- B. Delete and reconfigure the existing Consistency Group for a local and remote replication
- C. Add a copy into the existing Consistency Group for a local replication
- D. RecoverPoint with VNX(SE) does not support more than two copies in a single Consistency Group
正解：C
解説：
To meet the requirement of keeping a local copy of the production data in a RecoverPoint environment with VNX(SE) clusters, the administrator can add a local copy into the existing Consistency Group. This action does not require deleting and reconfiguring the existing Consistency Group or upgrading the license. Here are the steps:
* Access Unisphere for RecoverPoint: Log into the Unisphere interface for RecoverPoint management.
* Navigate to the Consistency Group: Find the Consistency Group that needs the local copy.
* Add a Local Copy: Use the option to add a copy into the selected Consistency Group.
* Configure the Local Copy: Specify the settings for the local copy, such as the Journal volume and RPO settings.
* Apply Changes: Save the changes to implement the local replication.
This process allows the administrator to enhance the data protection strategy by adding a local copy for operational recovery or other business needs without disrupting the existing remote replication setup1.
質問 # 30
Which attributes can affect the Distribution phase of Consistency Groups?
- A. Change rate of the applications and number of replication sets
- B. Copy location, WAN bandwidth, and replication type
- C. Journal volume performance, storage array performance, and copy volume performance
- D. Compression and deduplication settings of the Consistency Group
正解：A
解説：
The Distribution phase of Consistency Groups in a Dell RecoverPoint environment is influenced by several factors:
* Change Rate of Applications: The amount of data change occurring in the applications being protected can affect how quickly the data needs to be distributed.
* Number of Replication Sets: More replication sets can increase the complexity and load on the system during the Distribution phase.
* Copy Location: The geographical location of the copy in relation to the production site can impact latency and distribution times.
* WAN Bandwidth: Available bandwidth of the WAN connection between sites is crucial for timely data distribution.
* Replication Type: Whether the replication is synchronous or asynchronous can affect the Distribution phase.
* Compression and Deduplication Settings: These settings can optimize data transfer but also require processing that can impact distribution.
* Journal Volume Performance: The speed at which the Journal can record and distribute data is vital for the Distribution phase.
* Storage Array Performance: The overall performance of the storage array will influence how quickly data can be distributed.
* Copy Volume Performance: The performance of the copy volume can affect how quickly it can receive and integrate the distributed data.
Understanding and optimizing these attributes can help ensure efficient operation of the RecoverPoint system during the Distribution phase1.
質問 # 31
......
認証トレーニングD-RP-OE-A-24試験問題集テストエンジン：https://www.jpntest.com/shiken/D-RP-OE-A-24-mondaishu
Data Protection D-RP-OE-A-24リアル試験問題と解答無料最新になります：https://drive.google.com/open?id=1C4Fu01WjWYbvYO_7XQ8JpcFUoPeOSjzO