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Free D-PDD-DY-23 Exam Braindumps (page: 5)

Page 4 of 24
PDF with 94 Questions

If ES40 SAS shelves are on the same chain as a DS60, what is the maximum number of possible shelves on that chain?

  1. 3
  2. 5
  3. 7
  4. 4

Answer(s): A

Explanation:

When configuring a chain with ES40 SAS shelves and DS60 shelves in a PowerProtect DD environment, the maximum allowable number of shelves on that chain is three. This limitation is due to compatibility and bandwidth requirements for maintaining optimal performance and reliability across the SAS chain. Mixing different shelf models (ES40 and DS60) in a single chain affects the maximum supported configuration, and following this limitation ensures that the data transfer speeds and stability are not compromised.



Which command is used to verify the state of the disks in an expansion shelf attached to a PowerProtect DD system?

  1. disk show stats
  2. disk show state
  3. disk rescan
  4. disk status

Answer(s): B

Explanation:

The disk show state command provides the current state of each disk in an expansion shelf, allowing administrators to monitor disk health and operational status effectively, which is crucial for maintaining data integrity.



Which condition exists for a backup infrastructure based on PowerProtect DD?

  1. Compressed files must be decompressed before being sent to PowerProtect DD.
  2. Backup clients can write data directly to the PowerProtect DD appliance.
  3. VTL can be used to move physical tapes to a DR location.

Answer(s): B

Explanation:

PowerProtect DD appliances allow direct data writing from backup clients, which improves efficiency and data transfer rates, leveraging DD Boost and other protocols for optimized backup performance without intermediate processing. In a PowerProtect DD backup infrastructure, backup clients are designed to write data directly to the appliance. This direct write capability is supported by protocols like DD Boost, which enhances the backup performance by offloading deduplication to the client side, reducing network bandwidth usage and speeding up backups. PowerProtect DD systems are optimized to handle direct data ingestion from backup clients, streamlining the data protection process without requiring intermediate storage or decompression steps. This feature simplifies the backup architecture and improves data protection efficiency.



Which are two attributes of PowerProtect DD High Availability? (Select 2)

  1. PowerProtect DD nodes are configured in active/active mode.
  2. A single set of shared storage is used.
  3. PowerProtect DD nodes should have dual heads.
  4. It is supported only on DD9900 systems.

Answer(s): B,D

Explanation:

PowerProtect DD High Availability configurations are supported on the DD9900 model with a single set of shared storage, ensuring redundancy and failover capabilities, critical for enterprise-level data protection environments.

PowerProtect DD High Availability (HA) configuration provides a continuous availability solution, particularly suited for DD9900 systems. Here are the two key attributes of DD HA:
Single Set of Shared Storage: In the HA configuration, both nodes in the active/standby configuration share the same set of storage. This shared storage ensures that if the active node fails, the standby node can take over without data loss, accessing the same storage seamlessly. Supported Only on DD9900 Systems: The HA feature is exclusive to high-end PowerProtect DD models, specifically the DD9900. This limitation is due to the hardware requirements needed to support the robust failover and data redundancy capabilities inherent in an HA setup.






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