D-DP-DS-23 Sample Questions & Answers
Product features and software-based architectures across Dell's data-protection line carry the top weight, alongside Cyber Recovery design, cloud-based data protection, RecoverPoint replication, and capacity planning across PowerProtect DD, NetWorker and Avamar.
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- Question 1Intermediate
Dell EMC PowerProtect DP series appliance Solutions Design · DP Series Cloud Tier Feature
A retail company is deploying a PowerProtect DP4400 appliance to consolidate backup and recovery for a remote office. The office has a mix of VMware virtual machines and physical Windows file servers. The company wants to leverage the appliance's built-in cloud capabilities to tier older, long-term retention backups to Amazon S3 for cost savings. Which integrated software component of the DP series appliance facilitates this cloud tiering functionality?
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Correct answer: B
The Cloud Tier functionality is a feature of the integrated Data Domain component within the PowerProtect DP series appliance. The Data Domain software manages the movement of deduplicated data from its active tier (local storage) to a supported public or private cloud object store for long-term retention, based on policies.
- Question 2Advanced
Dell EMC PowerProtect DD Solutions Design · PowerProtect DD Capacity Planning
When sizing a PowerProtect DD system, a solutions architect calculates the required usable capacity based on the total full backup size, change rate, retention period, and an estimated deduplication ratio. If the total data to be protected is 100 TB with a 5-year retention and the business estimates a 15:1 overall deduplication ratio, which factor is most likely to cause this deduplication estimate to be inaccurate and lead to undersizing the system?
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Correct answer: B
PowerProtect DD's deduplication works by finding redundant data segments. Data that is already highly compressed (like JPEG, MP3, MPEG files) or encrypted at the application level has very little redundancy. Ingesting a large amount of such data will result in a much lower deduplication ratio than expected for typical unstructured or database data, which is a common cause of undersizing a system.
- Question 3Advanced
Dell EMC NetWorker Solutions Design · NetWorker NDMP Backup Design
A media company uses Dell NetWorker to protect a large Isilon/PowerScale cluster containing petabytes of video files. The backups are sent to a PowerProtect DD appliance. To improve performance and reduce the load on the NetWorker server and storage nodes, the architect wants to implement a solution where the Isilon cluster sends backup data directly to the PowerProtect DD system. Which NetWorker feature must be configured to enable this workflow?
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Correct answer: C
NDMP (Network Data Management Protocol) DSA (Data Server Agent) backup is the correct feature. In this configuration, NetWorker acts as the backup manager, but the Isilon cluster (the NDMP server) transfers the data directly to the PowerProtect DD appliance (the DSA target) over the network. This is also known as a three-way NDMP backup and is the standard best practice for protecting large filers efficiently.
- Question 4Intermediate
Dell EMC RecoverPoint and RecoverPoint for Virtual Machines (VMs) Solutions Design · RecoverPoint for VMs Consistency Group Design
A systems administrator is designing a protection plan for a VMware environment using RecoverPoint for VMs. The goal is to protect a three-tier application consisting of a web server VM, an application server VM, and a database server VM. To ensure application-consistent recovery, all three VMs must be recovered to the exact same point in time. How should the administrator configure the protection in RecoverPoint for VMs?
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Correct answer: B
A Consistency Group (CG) is the fundamental construct in RecoverPoint for ensuring that multiple VMs or LUNs are treated as a single entity for replication and recovery. By placing the web, application, and database VMs into one CG, RecoverPoint guarantees that all write operations are ordered and replicated consistently, allowing for a single, application-consistent point-in-time recovery for the entire application.
- Question 5Beginner
Dell EMC Data Protection Product Features, Functions, Software-based Architectures and Components · Avamar vs PowerProtect DD Architecture
A consultant is explaining the fundamental architectural difference between Avamar and PowerProtect DD to a client. Which statement accurately describes the primary distinction in their deduplication processes?
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Correct answer: C
The core architectural difference is where the primary deduplication process occurs. Avamar is a source-side deduplication system, meaning the client agent analyzes, segments, and deduplicates data before sending it over the network. This is ideal for constrained networks. PowerProtect DD is a target-side deduplication system, where raw backup data is sent to the appliance, which then performs the deduplication process inline as it writes to disk. This is ideal for high-speed LAN backups and consolidating multiple backup sources.
- Question 6Intermediate
Dell EMC PowerProtect DD Solutions Design · PowerProtect DD Replication Design
A large enterprise is designing a multi-site disaster recovery solution using PowerProtect DD appliances. The primary data center is in North America, with secondary data centers in Europe and Asia. The goal is to replicate backups from North America to both Europe and Asia efficiently. Which PowerProtect DD replication topology should be used to achieve this?
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Correct answer: D
One-to-Many replication is the correct topology for this scenario. It allows a single source PowerProtect DD system (in North America) to replicate its data to multiple destination DD systems (in Europe and Asia) simultaneously. This is the most direct and efficient method for distributing backup data to multiple DR sites.
graph TD NA["PowerProtect DD (North America)"] --> EU["PowerProtect DD (Europe)"] NA --> ASIA["PowerProtect DD (Asia)"] - Question 7Beginner
Dell EMC Cloud Data Protection Solutions Design · Cloud DR Architecture
When designing a Dell Cloud Disaster Recovery (Cloud DR) solution, what is the primary function of the Cloud DR Add-on (CDRA) that is deployed in the on-premises environment?
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Correct answer: C
The Cloud DR Add-on (CDRA) is a virtual appliance deployed on-premises. Its key responsibility is to orchestrate the movement of protected virtual machine backups from the local PowerProtect DD system to the designated object storage (e.g., Amazon S3) in the public cloud. It reads the data from the DD, packages it, and sends it to the cloud target for DR purposes.
- Question 8IntermediateSelect 3
Dell EMC Data Protection Product Features, Functions, Software-based Architectures and Components · PowerProtect Data Manager Workload Support
A solutions architect is designing a backup solution for a mixed environment using a PowerProtect DP series appliance. The appliance will be managed by PowerProtect Data Manager. Which of the following workloads can be protected using this combination? (Select THREE)
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Correct answers: A, B, D
PowerProtect Data Manager provides robust, policy-based protection for VMware virtual machines, including image-level backups and integration with vSphere.
PPDM offers application-direct protection for Oracle databases, integrating with RMAN to provide application-consistent backups directly to the PowerProtect appliance.
A key feature of PPDM is its native support for protecting modern workloads, including the ability to discover and back up persistent volumes within a Kubernetes environment.
- Question 9Intermediate
Solutions Design using Dell EMC Cyber Recovery Solutions Design · CyberSense Analytics Process
True or False: In a PowerProtect Cyber Recovery vault, the CyberSense feature performs its analytics and indexing on the live, production backup data to minimize the impact on the isolated vault copy.
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Correct answer: B
This statement is false. A core principle of the Cyber Recovery vault is isolation. The CyberSense analytics engine is deployed inside the isolated vault and operates on the replicated data after it has been copied into the vault. This ensures that the analysis process itself does not create a pathway back to the production network and that it is analyzing the exact data that would be used for recovery.
- Question 10Intermediate
Dell EMC NetWorker Solutions Design · NetWorker Performance Tuning
An e-commerce company is experiencing slow backup performance for its primary database server, which is being backed up by NetWorker to a PowerProtect DD system over a 10GbE network. A performance analysis reveals that the NetWorker storage node is the bottleneck, as all data is being funneled through it. The database server itself has significant unused CPU and network capacity. Which NetWorker feature should be implemented to alleviate the storage node bottleneck and improve performance?
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Correct answer: B
Client-Direct backup is the ideal solution for this scenario. By installing the DD Boost libraries on the database server and enabling Client-Direct in NetWorker, the backup data path is changed. The database client will send its backup data directly to the PowerProtect DD system, bypassing the storage node entirely. This removes the bottleneck and leverages the available resources on the client server for better performance.
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