[Oct 03, 2025] itPass4sure D-PDD-DY-23 Exam Practice Test Questions (Updated 165 Questions)
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EMC D-PDD-DY-23 Exam Syllabus Topics:
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NEW QUESTION # 66
What is a key differentiator of Dell PowerProtect DD systems in terms of data handling during the write process?
- A. Data is encrypted after it is written to disk.
- B. Data is deduplicated after it is written to disk.
- C. Data is deduplicated and encrypted inline as it is written to disk.
- D. Data is stored in its original format without any optimization.
Answer: C
NEW QUESTION # 67
What is a characteristic of Dell Cloud Tier?
- A. NFS, HTTPS, and CIFS are supported for data movement.
- B. Scales to the maximum capacity of the active tier.
- C. The VTL vault cannot be stored in cloud tier storage.
- D. Managed through a single namespace.
Answer: D
Explanation:
Explanation: Dell Cloud Tier is designed to extend storage to cloud environments while maintaining a single namespace for management simplicity. This feature enables seamless data management across local and cloud storage tiers, preserving data accessibility and integrity.
NEW QUESTION # 68
After adding expansion shelves, an administrator verifies the state of the new disks with the command disk show state is unknown.
Which command will make these disks available?
- A. disk rescan command for each unknown disk
- B. disk rebuild command for all unknown disks available
- C. disk unfail command for all unknown disks available
- D. disk unfail command for each unknown disk individually
Answer: D
NEW QUESTION # 69
Refer to the exhibit.
To which shelf and port should SAS HBA slot 1 port B be connected?
- A. Shelf 01 BH
- B. Shelf 01 BE
- C. Shelf 04 BH
- D. Shelf 04 BE
Answer: C
NEW QUESTION # 70
A company has implemented many-to-one replication between PowerProtect DD appliances.
Which types of replication are supported by this topology?
- A. Managed File and MTree
- B. Directory and MTree
- C. MTree and Collection
- D. Collection and Directory
Answer: B
NEW QUESTION # 71
What system role is required to create the second security officer for a PowerProtect DD?
- A. security officer
- B. sysadmin
- C. admin
- D. limited-admin
Answer: D
NEW QUESTION # 72
A PowerProtect DD appliance with two expansion shelves is being installed in a customer-provided rack.
When cabling the controller to the shelves, what is connected to the host port on the last shelf in the chain?
- A. Expansion port of the controller
- B. Host port of the downstream shelf
- C. Host port of the controller
- D. Expansion port of the upstream shelf
Answer: D
NEW QUESTION # 73
What are the settings for serial communication when connecting to a PowerProtect DD appliance?
- A. 57600, 8, 1, none, Xon/Xoff, and vt-100
- B. 57600, 8, 1, none, none, and vt-100
- C. 115200, 8, 1, none, Xon/Xoff, and vt-100
- D. 115200, 8, 1, none, none, and vt-100
Answer: D
NEW QUESTION # 74
Which enterprise applications does the DDBEA agent support?
- A. Microsoft SQL, Sharepoint, and Exchange servers
- B. Oracle, Microsoft Sharepoint, and Microsoft SQL
- C. IBM DB2, Microsoft SQL, and SAP HANA
- D. SAP with Oracle, IBM DB2, and Microsoft active directory
Answer: C
NEW QUESTION # 75
What is the correct sequence to perform Cloud Tier migration?
Answer:
Explanation:
Explanation:
The correct sequence to perform Cloud Tier migration is as follows:
* Copy the active tier data from the existing system to the new system.
* Disconnect the cloud storage from the existing system.
* Connect the cloud storage to the new system.
* Copy the cloud tier metadata from the existing system to the new system.
* Commit the migration operation.
* Copy Active Tier Data: Start by transferring active tier data from the current system to the new PowerProtect DD system. This step ensures that primary data is accessible on the new appliance.
* Disconnect Cloud Storage: Once the active tier data is copied, disconnect the cloud storage from the original system to prepare it for reconnection.
* Connect Cloud Storage to New System: Attach the cloud storage to the new system. This step transitions cloud storage access from the old to the new appliance, preparing it for continued operations.
* Copy Cloud Tier Metadata: Metadata associated with the cloud tier is copied to the new system, ensuring continuity of data access and management in the cloud tier.
* Commit Migration Operation: Finally, complete the migration process by committing the changes, solidifying the new system as the primary appliance for both active and cloud tier operations.
This ordered approach ensures a structured and reliable migration process, maintaining data integrity and continuity across PowerProtect DD systems.
NEW QUESTION # 76
Which two elements does DD Boost distribute parts of the deduplication process in a backup environment to enable faster and more efficient backup and recovery? (Select 2)
- A. Production storage
- B. Application client
- C. Backup server
- D. PowerProtect DD
Answer: B,D
NEW QUESTION # 77
An engineer is attempting to add an ES40 shelf to a PowerProtect DD9400. The system currently has one DS60 and four ES40 shelves on the same chain. The system does not recognize the additional shelf.
Why has this occurred?
- A. An active tier license must be added for additional storage
- B. ES40 and DS60 shelves must be placed on separate chains
- C. The maximum number of shelves on the chain is exceeded
- D. The system capacity license is insufficient
Answer: C
NEW QUESTION # 78
What is the correct sequence of operations used by the PowerProtect DD DIA in the end-to-end verification process?
Answer:
Explanation:
Explanation:
A screenshot of a computer Description automatically generated
1. Writes request from the backup software
First, the backup software sends a write request to the DD system.
2. Analyzes data for redundancy and stores new data segments
Next, DDOS analyzes the incoming data for redundancy and stores only the unique data segments to optimize storage.
3. Stores the fingerprints
After deduplication, the system stores the unique fingerprints of the data.
4. Verifies that the checksum that is read back matches the checksum that is written to the disk This step involves verifying the data integrity by matching the written checksum with the read checksum.
5. Verifies that DDOS can read data from the disk
Finally, the system verifies that the data can be read back correctly from the disk, ensuring the write was successful.
NEW QUESTION # 79
A Power Protect DD system is configured for VTL. The backup application requires a minimum tape capacity of 800 GB.
What is the minimum tape type to support this requirement?
- A. LTO-5
- B. LTO-3
- C. LTO-4
- D. LTO-2
Answer: C
NEW QUESTION # 80
When using CIFS from a PowerProtect DD system, what should be changed on a Windows machine?
- A. CIFSTimeout to 3600 seconds
- B. SMBTimeout to 7200 seconds
- C. SESSTIMEOUT to 3600 seconds
- D. SESSTIMEOUT to 7200 seconds
Answer: C
NEW QUESTION # 81
What is the maximum number of concurrently active virtual tape library instances on each PowerProtect DD appliance?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION # 82
What is the maximum capacity for an on-premises DDVE with no cloud storage?
- A. 96 TB
- B. 256 TB
- C. 128 TB
- D. 64 TB
Answer: A
NEW QUESTION # 83
What is a use case of BoostFS?
- A. To increase DD Boost throughput
- B. To protect applications that do not support DD Boost
- C. To implement DD Boost over Fibre Channel
- D. To enable snapshot on DD Boost data
Answer: B
Explanation:
Explanation: BoostFS allows applications without native DD Boost support to leverage DD Boost's deduplication benefits. It provides a seamless data protection layer across various backup applications by streamlining storage and data transfer processes. BoostFS, or Boost File System, is used to enable backup functionality for applications that do not natively support DD Boost. It allows these applications to leverage Data Domain storage efficiency by providing a file system interface. BoostFS essentially provides a method for applications without DD Boost integration to still utilize deduplication and other Data Domain benefits, making it highly effective for environments that want to standardize their storage approach but have a mix of applications with and without DD Boost support.
NEW QUESTION # 84
During a normal workday an administrator notices poor performance (<1MB/s) in combination with poor global compression rate (<1x).
What metrics should be monitored to find the issue?
- A. NVRAM battery level, link utilization, and disk reconstruction
- B. Stream count, CPU utilization, and replication
- C. Stream count, disk reconstruction, and replication
- D. Cleaning, NVRAM battery level, and link utilization
Answer: B
NEW QUESTION # 85
An organization uses tape libraries in their current backup infrastructure. They have purchased a PowerProtect DD system and plan to use VTL to move from physical tape.
What is a consideration when configuring the tape size?
- A. Target multiple drives to write single stream
- B. Use multiple drives to write multiple streams
- C. Set retention periods for as long as possible
- D. Use larger tapes for multiple smaller datasets
Answer: B
NEW QUESTION # 86
PowerProtect DD Test Simulator
You will need to use the PowerProtect DD Simulator to correctly answer question. The simulator allows you to navigate through the PowerProtect DD interface and configure many items. You will be scored on your ability to perform tasks, configure items, and gather information within the simulated environment.
Task
As an administrator, you observe that the PowerProtect DD does not free disk space even though the backup retention period expired a month ago.
Check the cleaning schedule. Set the default parameters: Start every Tuesday at 6:00 am. Set the throttle for scheduled cleaning to 50%. After setting the schedule, start cleaning manually and make sure the system resources are not used more than 30% for this cleaning.
When you have finished, continue to the next question.
Answer:
Explanation:
See the solution in the explanation below.
Explanation:
To resolve the issue and set up the cleaning schedule and manual cleaning on your PowerProtect DD system, follow these steps based on the information provided:
Access the Cleaning Schedule Settings:
Go to File System Settings.
Navigate to the Cleaning tab.
2. Set the Cleaning Schedule:
Frequency: Choose Weekly.
At: Set the cleaning to start every Tuesday at 6:00 AM.
Throttle: Set the throttle to 50% for scheduled cleaning.
3. Manually Start Cleaning:
After setting the schedule, initiate the cleaning manually from the File System settings.
Set the manual cleaning throttle to 30% to ensure system resources are not overused during the process.
NEW QUESTION # 87
What is a characteristic of the Global-Compression Factor?
- A. It measures the data reduction effect of deduplication.
- B. It is a product of the global compression and local compression factors.
- C. It displays the amount of storage that the system uses after data reduction.
- D. It measures the data reduction effect of the compression algorithms.
Answer: D
Explanation:
The Global-Compression Factor quantifies how effectively the compression algorithms are reducing the size of the data stored on the system. It reflects the overall impact of compression on data size, helping administrators understand the efficiency of the compression techniques being applied.
NEW QUESTION # 88
Which best practice should be followed when implementing a PowerProtect DD VTL?
- A. Limit the number of tapes to the number needed and eventually expand.
- B. Use multiplexing to optimize deduplication in virtual tapes.
- C. Use fewer higher-capacity tapes rather than more lower-capacity tapes for space reuse.
- D. Limit ISL links to four hops between the storage node and the PowerProtect DD.
Answer: A
Explanation:
Explanation: Best practice for implementing a DD VTL suggests limiting the number of virtual tapes initially and expanding as needed. This approach minimizes management complexity and ensures that resources are allocated efficiently.
NEW QUESTION # 89
Which Linux distributions support BoostFS?
- A. Debian, SUSE Linux Enterprise Server, and CentOS
- B. Red Hat Enterprise Linux, CentOS, and SUSE Linux Enterprise Server
- C. CentOS, Red Hat Enterprise Linux, and Debian
- D. Raspbian, Red Hat Enterprise Linux, and SUSE Linux Enterprise Server
Answer: B
Explanation:
BoostFS is compatible with several Linux distributions, and the listed options include:
Red Hat Enterprise Linux (RHEL): A widely used enterprise Linux distribution known for its stability and support.
CentOS: A community-supported distribution derived from RHEL, providing similar functionality and compatibility.
SUSE Linux Enterprise Server: Another enterprise-level distribution that is known for its performance and support for various applications.
NEW QUESTION # 90
A CommVault Simpana administrator would like to use the benefits of DD Boost.
Which technology will allow this integration?
- A. VTL
- B. BoostFS
- C. CIFS
- D. NFS
Answer: B
NEW QUESTION # 91
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