Pass the EMC Data Protection D-PDD-DY-23 Questions and answers with ValidTests

Explanation: When a DS60 shelf is already part of the configuration, a maximum of 5 ES40 SAS shelves can be added to maintain balance and prevent overloading the system’s data handling capabilities. This limit ensures optimal performance and reliability.

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.

Use the config setup CLI command: This command starts the configuration wizard from the command-line interface, allowing you to set up the system manually.

In the DD System Manager select Maintenance > System > Configure System: If you are using the graphical DD System Manager interface, you can navigate to the "Maintenance" section and select "Configure System" to launch the configuration wizard.

An age-based data movement policy automatically moves data to a lower-cost storage tier (in this case, AWS S3) based on the age of the files. This means that PDFs that have not been accessed for a certain period will be identified and moved to AWS S3, aligning with the finance department's requirement to archive infrequently accessed data. This policy helps in managing storage efficiently and reducing costs by offloading older data to cheaper storage options.

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.

Explanation: The filesys report command provides detailed compression statistics, essential for administrators to monitor storage efficiency over time. This insight into compression ratios aids in storage optimization and management planning on PowerProtect DD systems.

Explanation: The ddboost storage-unit create command is used to create a storage unit specifically for DD Boost-enabled backups, facilitating direct backup operations with PowerProtect DD.

Data Type: Different types of data may compress and deduplicate differently, affecting how much storage is needed.

Data Size: The total size of the data that needs to be backed up is a fundamental factor in determining capacity.

Change Rate: The frequency with which data changes impacts how much new data is generated and needs to be stored.

Deduplication Rate: Understanding how effective deduplication will be is essential for estimating how much physical storage will be needed after backups are processed.

JWTs (JSON Web Tokens): JWTs are a compact, URL-safe means of representing claims to be transferred between two parties. They are commonly used for stateless authentication in web applications, including those utilizing BoostFS.

Kerberos: Kerberos is a network authentication protocol that uses tickets to allow secure communication over a non-secure network. It is widely used in various systems, including BoostFS, to authenticate users and services.

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.