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Dell EMC D-PDD-DY-23 Exam Questions
- Topic 1: Dell PowerProtect DD Concepts and Features: For Dell System administrators, this section covers Dell PowerProtect DD's advanced deduplication technology, leveraging SISL and DIA, and providing both in-line and post-process deduplication for file and block storage.
- Topic 2: Dell PowerProtect DD Hardware Installation: This section for Dell System Engineers is about installing Dell PowerProtect DD involves preparing the system by mounting hardware and connecting it to external storage.
- Topic 3: Dell Cloud Tier Implementation and Administration: This section covers Dell Cloud Tier which provides scalable storage management, benefiting data archiving and movement policies for System Engineers.
- Topic 4: PowerProtect DD in Backup Environments and Software Integration: This section covers PowerProtect DD integrates with major backup software like Symantec NetBackup, Dell NetWorker, and CommVault Simpana, optimizing backup flow and data security for testing Dell System Administrators.
- Topic 5: PowerProtect DD System Administration: This section covers Dell PowerProtect DD system administration that includes support for multiple protocols (NFS/CIFS, DD Boost, VTL, NDMP) to test skills of Dell System Administrators.
Free Dell EMC D-PDD-DY-23 Exam Actual Questions
Note: Premium Questions for D-PDD-DY-23 were last updated On Jul. 10, 2025 (see below)
An administrator has a PowerProtect DD appliance with 32 CPU Cores and 128 GB RAM and 3 GB NVRAM.
What is the maximum number of drives that they can configure with one VTL?
PowerProtect DD appliances have specific scalability limits based on their hardware configuration. In this case, with the mentioned resources, the appliance can support a maximum of 540 drives in a single VTL configuration. This allows for extensive virtual tape storage capabilities, enhancing backup and recovery efficiency.
When using CIFS from a PowerProtect DD system, what should be changed on a Windows machine?
The SESSTIMEOUT setting controls the session timeout for CIFS (SMB) connections. Adjusting this value to 3600 seconds helps ensure that CIFS sessions stay active for a sufficient duration, preventing premature disconnections when the PowerProtect DD system interacts with the Windows machine. This can enhance the reliability and stability of CIFS-based backups and restores.
What are some possible network bottlenecks for a PowerProtect DD?
In PowerProtect DD environments, network performance can be affected by various factors, and bottlenecks often arise from:
Configuration: Misconfigured network settings or incorrect protocols can limit the system's performance.
Wire speeds: The physical speed of the network cables (e.g., 1 GbE, 10 GbE) impacts data transfer rates.
Switches and routers: These network devices can introduce latency or limit bandwidth, especially if they are not optimized or if there are too many hops in the network path.
By addressing these areas, you can improve network throughput and ensure that the PowerProtect DD system is not constrained by network bottlenecks.
What is the maximum number of simultaneous CIFS connections that DDOS supports in PowerProtect DD?
PowerProtect DD's DDOS (Data Domain Operating System) supports up to 800 simultaneous CIFS connections, allowing multiple clients to connect and access CIFS shares concurrently. This limit is designed to ensure optimal performance while managing multiple data streams efficiently.
What is the Backup Data packet flow from the NetWorker Client to the PowerProtect DD appliance?
In a typical NetWorker backup architecture, the data flow starts at the NetWorker Client, which sends backup data to the Media Server. The Media Server is responsible for processing the data and then forwarding it to the PowerProtect DD appliance for storage. This flow allows for efficient data handling, including deduplication and compression before the data reaches the PowerProtect DD system.
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