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Free D-PDD-DY-23 Exam Braindumps (page: 8)

Page 7 of 24
PDF with 94 Questions

With DSP enabled on a PowerProtect DD appliance, which functions are performed on the backup host?

  1. Recording references to previous data and segmenting
  2. Sending the data, segmenting, and compressing
  3. Compressing, segmenting, and fingerprinting
  4. Segmenting, fingerprinting, and sending the fingerprints

Answer(s): D

Explanation:

Data Segment Processing (DSP) on PowerProtect DD offloads deduplication functions to the backup host, where segmenting, fingerprinting, and sending only unique data references improve backup efficiency and reduce storage footprint.
When Distributed Segment Processing (DSP) is enabled on a PowerProtect DD appliance, key functions such as segmenting, fingerprinting, and sending the fingerprints are performed on the backup host. DSP offloads some processing tasks to the backup host, allowing the appliance to focus on storage efficiency and performance. Here's how each function works with DSP:
Segmenting: The backup host divides data into smaller segments. Fingerprinting: Each segment is hashed (fingerprinted) to identify unique data segments. Sending the fingerprints: Only the fingerprints are sent to the DD appliance, allowing it to verify deduplication without transferring the full data. This process minimizes bandwidth and optimizes backup efficiency.



A backup administrator is tasked with verifying the compression savings of a PowerProtect DD3300.
Which compression algorithm will they see enabled by default?

  1. gz
  2. lzw
  3. gzfast
  4. lz

Answer(s): C

Explanation:

The gzfast compression algorithm is the default for PowerProtect DD3300, balancing compression efficiency and performance. It ensures data is compressed without compromising backup or restore speeds.



What is the data reduction ratio that can be predicted when applying best practices for deduplicating data on a PowerProtect DD?

  1. 45:1
  2. 55:1
  3. 50:1
  4. 65:1

Answer(s): C

Explanation:

The expected data reduction ratio with PowerProtect DD, when following best practices for deduplication, is approximately 50:1. This high deduplication efficiency significantly reduces storage needs, making PowerProtect DD highly cost-effective.
When best practices are applied for deduplication on PowerProtect DD systems, a data reduction ratio of 50:1 can typically be achieved. This means that for every 50 units of data, only 1 unit needs to be stored, significantly optimizing storage utilization. Achieving this ratio depends on factors such as data type, backup frequency, and the effectiveness of deduplication processes configured on the system. This high deduplication rate is a key advantage of PowerProtect DD appliances, allowing organizations to manage large volumes of backup data more efficiently.



Which command is used to add storage to either the active or cloud tier?

  1. storage add cloud
  2. storage add disks
  3. enclosure add storage
  4. storage add enclosure

Answer(s): B

Explanation:

To add storage to either the active or cloud tier on a PowerProtect DD appliance, the command storage add disks is used. This command allows the administrator to add physical disks to expand storage capacity. By adding disks to the system, administrators can increase the available storage within the specified tier, whether it's for active (local) storage or cloud-integrated storage. This flexibility supports growth and scalability in data management operations.






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