Course 2025 D-PDD-DY-23 Test Prep Training Practice Exam Download
D-PDD-DY-23 Exam Info and Free Practice Test Professional Quiz Study Materials
NEW QUESTION # 83
A customer needs to use DD Retention Lock Compliance to ensure that data integrity is maintained.
Which PowerProtect DD systems meet the customer's requirement?
- A. DDVE, DD3300, and DD6900
- B. DD3300, DD6900, and DD9400
- C. DD6900, DDVE, and DD9400
- D. DD9400, DDVE, and DD9900
Answer: B
NEW QUESTION # 84
Which protocols are supported by PowerProtect DD appliances for data movement to the Cloud Tier?
- A. DD Boost and CIFS only
- B. VTL, CIFS, and NFS
- C. NFS and CIFS only
- D. CIFS, NFS, and DD Boost
Answer: D
NEW QUESTION # 85
A backup administrator notices that the backups and replication are exceeding their backup window.
The system is also utilizing the DD Boost protocol.
They notice the system is experiencing slow performance and want to monitor performance in real-time.
Which command best accomplishes this task?
- A. ddboost show stats
- B. system show stats interval 2
- C. system show performance
- D. ddboost file-replication show stats
Answer: B
NEW QUESTION # 86
A backup administrator observes a linear increase in the PowerProtect DD Physical Capacity Used (PostCompression) graph. Weekly garbage collection tasks are not freeing space.
Which two things should be verified by the administrator to troubleshoot this issue? (Choose two.)
- A. Use the disk show state command to verily the status of disks and replace any with a failed status.
- B. Verify the cleaning task is properly scheduled and is performing correctly.
- C. Verify that backups saved to PowerProtect DD are encrypted or compressed before being saved.
- D. Check in Maintenance > System for any old upgrade binaries and delete them.
Answer: A,B
Explanation:
Verify the cleaning task is properly scheduled and is performing correctly.: It's essential to ensure that the cleaning task, which is responsible for reclaiming space by removing obsolete data, is scheduled correctly and running as expected. If the cleaning task is not operating correctly, it will not free up space.
Use the disk show state command to verify the status of disks and replace any with a failed status.: Checking the health of the disks is crucial. If any disks are in a failed state, it could impact the system's ability to manage and reclaim storage efficiently. Identifying and replacing any failed disks is necessary for maintaining overall system performance.
NEW QUESTION # 87
Which fabric zoning configuration is recommended by Dell Technologies for implementing a DD VTL?
- A. Multiple initiators; single target
- B. Single initiator; single target
- C. Single initiator; multiple targets
- D. Multiple initiators; multiple targets
Answer: B
Explanation:
Explanation: The best practice for fabric zoning with PowerProtect DD Virtual Tape Library (VTL) is single initiator-single target zoning. This configuration minimizes cross-talk and reduces risks of interference, resulting in a more stable and secure data transfer environment.
NEW QUESTION # 88
Which command removes the configuration associated with resources enclosures, the migration destination, and restarts the file system?
- A. storage migration start
- B. storage migration finalize
- C. storage migration resume
Answer: B
Explanation:
The storage migration finalize command is used at the end of the storage migration process. This command removes any temporary configurations related to resources, enclosures, and migration destinations that were created during the migration process. It also restarts the file system, ensuring that the new configuration is fully implemented. Essentially, this command marks the official completion of the migration process, cleaning up any residual configurations and making the new storage setup fully operational.
NEW QUESTION # 89
An administrator is migrating their old cloud tier-enabled Data Domain to a new PowerProtect DD appliance with cloud tier. During migration, the administrator recognizes that file system cleaning on the source system is not possible. What is the most likely cause of this behavior?
- A. Source system is running in restricted mode
- B. Migration will restrict all activities on both systems
- C. Filesystem is disabled on the source system
- D. Migration will restrict all activities on the source system
Answer: A
Explanation:
Explanation: When a source system is in restricted mode, certain maintenance tasks, like file system cleaning, are unavailable. This restriction is typically applied during migrations to prevent data inconsistencies, ensuring a smooth transfer of data to the new system.
During the migration process from an older Data Domain system with cloud tier capabilities to a new PowerProtect DD appliance, the source system operates in a "restricted mode." This restricted mode limits specific functionalities, including file system cleaning. File system cleaning is a maintenance operation that reclaims storage by deduplication and cleaning up obsolete data. However, to prevent data inconsistency or interference during migration, this functionality is temporarily disabled on the source system, thus ensuring data integrity until the migration process is completed.
The restricted mode ensures that all critical operations remain stable and predictable on the source system, which is essential for a smooth migration to the new environment.
NEW QUESTION # 90
What is the order of steps to configure DD Boost on a PowerProtect DD appliance?
Answer:
Explanation:
NEW QUESTION # 91
Which best practice should be followed when implementing a PowerProtect DD VTL?
- A. Use fewer higher-capacity tapes rather than more lower-capacity tapes for space reuse.
- B. Limit the number of tapes to the number needed and eventually expand.
- C. Limit ISL links to four hops between the storage node and the PowerProtect DD.
- D. Use multiplexing to optimize deduplication in virtual tapes.
Answer: B
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 # 92
What is the correct sequence of operations used by the PowerProtect DD DIA in the end-to-end verification process?
Answer:
Explanation:
NEW QUESTION # 93
Where can the serial number on a PowerProtect DD appliance be found?
- A. PSNT tag at the rear of the system
- B. Label on the top of the chassis
- C. Label attached to the bezel
- D. Right side of the chassis
Answer: A
NEW QUESTION # 94
What are the settings for serial communication when connecting to a PowerProtect DD appliance?
- A. 57600, 8, 1, none, none, and vt-100
- B. 57600, 8, 1, none, Xon/Xoff, and vt-100
- C. 115200, 8, 1, none, none, and vt-100
- D. 115200, 8, 1, none, Xon/Xoff, and vt-100
Answer: C
NEW QUESTION # 95
What is a characteristic of the Global-Compression Factor?
- A. It is a product of the global compression and local compression factors.
- B. It measures the data reduction effect of the compression algorithms.
- C. It displays the amount of storage that the system uses after data reduction.
- D. It measures the data reduction effect of deduplication.
Answer: B
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 # 96
Refer to the exhibit.
To which shelf and port should SAS HBA slot 1 port B be connected?
- A. Shelf 04 BE
- B. Shelf 01 BH
- C. Shelf 01 BE
- D. Shelf 04 BH
Answer: A
Explanation:
Based on the configuration:
SAS HBA Slot 1 has ports labeled A and B.
The connection sequence suggests that:
Shelf 01 is the first shelf connected, and it has ports BE and BH.
Shelf 02 through Shelf 04 continues the pattern with their respective ports.
Given the layout:
SAS HBA Slot 1 Port B should be connected to Shelf 01 BH to maintain proper connectivity according to the configuration flow.
NEW QUESTION # 97
When can you consider using Virtual Synthetic Backups with a PowerProtect DD appliance?
- A. If the PowerProtect DD appliance has more than 10 disks
- B. If data restores are frequent
- C. If the PowerProtect DD appliance uses more than 80% of its physical capacity
- D. If incremental backups are less than 20% of a full backup
Answer: B
Explanation:
Virtual Synthetic Backups are an efficient method for consolidating full and incremental backups without moving large amounts of data. This method is particularly useful when restores are frequent because it reduces the time and resources required to create new full backups. Instead, it synthesizes a full backup from previous full and incremental backups, making the restore process faster and more efficient. This helps to optimize performance and minimize the strain on the backup system during frequent restores.
NEW QUESTION # 98
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 tape.
What is a consideration when configuring the tape size?
- A. Target multiple drives to write single stream
- B. Set retention periods for as long as possible
- C. Target single drives to write multiple streams
- D. Use smaller tapes for smaller datasets
Answer: D
NEW QUESTION # 99
An administrator has observed degraded read and write throughput performance with their CIFS share.
What can the administrator disable to address the issue?
- A. Restrict anonymous connection
- B. Log level
- C. TCP window size
- D. Server Signing
Answer: D
NEW QUESTION # 100
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