D-DP-DS-23 Dell Data Protection Design Practice Questions
Prepare for D-DP-DS-23 with more than an answer.
- Level
- Professional
- Valid for
- Lifetime (does not expire)
Domains covered on the exam 9
- Dell EMC Data Protection Product Features, Functions, Software-based Architectures and Components28%
- Dell EMC PowerProtect DD Solutions Design9%
- Dell EMC NetWorker Solutions Design9%
- Dell EMC Avamar Solutions Design9%
- Dell EMC RecoverPoint and RecoverPoint for Virtual Machines (VMs) Solutions Design9%
- Dell EMC Cloud Data Protection Solutions Design9%
- Dell EMC PowerProtect DP series appliance Solutions Design8%
- Dell EMC PowerProtect Data Manager Solutions Design9%
- Solutions Design using Dell EMC Cyber Recovery Solutions Design9%
- 1
A solutions architect is tasked with calculating the required journal size for a RecoverPoint Consistency Group (CG). The CG will protect a database with an average write rate of 50 MB/s. The business requires the ability to recover to any point within the last 4 hours. A 20% overhead is recommended for metadata and protection windows. What is the minimum required journal size?
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Correct answer: C
The calculation is as follows:
- Calculate total seconds in the recovery window: 4 hours * 60 minutes/hour * 60 seconds/minute = 14,400 seconds.
- Calculate the total data written during this window: 14,400 seconds * 50 MB/s = 720,000 MB, which is 720 GB.
- Add the 20% overhead: 720 GB * 1.20 = 864 GB.
Therefore, the minimum required journal size is 864 GB.
- 2
A customer is considering a PowerProtect DP series appliance but is concerned about a single point of failure. Which feature inherent to the DP series architecture provides high availability for the backup application software?
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Correct answer: C
The PowerProtect DP series appliance runs its backup software (like Avamar and the Data Protection Central management interface) as virtual machines on a built-in VMware ESXi hypervisor. This architecture provides high availability; if the hardware node hosting the active VM fails, the VM is automatically restarted on a standby node (in multi-node systems) or on the same node after a reboot, ensuring the backup services remain available.
- 3
A design architect is creating a solution using PowerProtect Data Manager (PPDM). A primary requirement is to provide self-service backup and restore capabilities to application owners (e.g., database administrators) without granting them full administrative access to the PPDM interface. Which PPDM feature is designed to meet this requirement?
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Correct answer: C
PowerProtect Data Manager includes a comprehensive Role-Based Access Control (RBAC) system. By defining custom roles, an administrator can assign specific permissions to application owners, allowing them to view, back up, and restore only the assets they are responsible for (e.g., their specific Oracle database). This enables self-service functionality while maintaining overall security and control.
- 4
A company has an existing Avamar grid integrated with a PowerProtect DD system. They are planning to deploy a new PowerProtect Data Manager (PPDM) instance to protect modern workloads. Can the existing PowerProtect DD system be shared as a protection storage target by both the Avamar grid and the new PPDM instance simultaneously?
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Correct answer: D
Yes, this is a key design feature of PowerProtect DD. It is designed as a centralized protection storage appliance that can be a target for many different data sources and backup applications simultaneously, including Avamar, NetWorker, PowerProtect Data Manager, and even third-party applications. Each application typically writes to its own MTree on the DD system, allowing for coexistence and consolidation.
- 5
A customer needs to protect a three-tier application (Web, App, DB VMs) running in VMware. The application's integrity depends on all three VMs being recovered to the exact same point in time. For disaster recovery, they plan to replicate these VMs to a secondary site. Which RecoverPoint for VMs design is required to ensure application integrity upon recovery?
graph TD subgraph Primary Site Web1[Web VM] App1[App VM] DB1[DB VM] end subgraph DR Site Web2[Web VM Replica] App2[App VM Replica] DB2[DB VM Replica] end Web1 --> App1 App1 --> DB1 Primary_Site -- Replication --> DR_SiteShow answer details
Correct answer: B
A consistency group is the fundamental mechanism in RecoverPoint for ensuring write-order fidelity across multiple VMs. By placing all interdependent VMs of the three-tier application into a single consistency group, RecoverPoint guarantees that all writes are replicated and recovered in a consistent state, allowing the application to be brought online at the DR site without data corruption.
- 6
A manufacturing firm is designing a data protection solution for its Oracle E-Business Suite environment, which consists of a large production database with a high transaction rate. The primary requirement is to achieve a near-zero Recovery Point Objective (RPO) for disaster recovery at a remote site. Which Dell Data Protection product is specifically architected to meet this stringent RPO requirement through continuous data protection?
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Correct answer: C
RecoverPoint is the correct solution as it provides Continuous Data Protection (CDP) through block-level replication. This allows for recovery to any point in time, effectively achieving a near-zero RPO, which is critical for high-transaction databases. Avamar and PowerProtect DD with RMAN provide excellent backup and deduplication but are periodic (not continuous) and cannot meet a near-zero RPO. PowerProtect Data Manager orchestrates protection but does not inherently provide the CDP mechanism that RecoverPoint does.
- 7
A global logistics company is using PowerProtect Data Manager (PPDM) to protect its containerized applications running on a large Kubernetes cluster. The security team mandates that all backup data, both in-flight and at-rest on the PowerProtect DD appliance, must be encrypted. Which PPDM components and features are essential to meet this requirement? (Select TWO)
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Correct answer: A, D
PowerProtect DD provides robust encryption for data at rest. Enabling this feature on the target DD appliance is a fundamental step to securing the stored backup data from the PPDM-protected Kubernetes environment.
PPDM policies that target a PowerProtect DD system have an option to enable encryption for data in-flight. This ensures that the backup data is encrypted as it travels from the Kubernetes cluster to the DD appliance, protecting it from interception.
- 8
True or False: When designing a NetWorker solution integrated with a PowerProtect DD appliance, configuring DD Boost is mandatory for performing client-direct backups.
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Correct answer: A
This statement is true. The client-direct feature in NetWorker, which allows clients to send backup data directly to a PowerProtect DD system without passing through a storage node, relies entirely on the DD Boost protocol. Without DD Boost configured on the client and the DD system, client-direct backups are not possible.
- 9
A financial institution is designing a PowerProtect Cyber Recovery solution. Their primary goal is to ensure that data copied to the Cyber Recovery vault is logically and physically isolated from the production network. The design calls for a scheduled, automated, and secure data synchronization process. Which Cyber Recovery feature creates the required 'air gap' between the production environment and the vault?
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Correct answer: C
The core of the Cyber Recovery 'air gap' is the automated control of the replication link. The Cyber Recovery software opens the data path from the production PowerProtect DD to the vault DD only during the scheduled sync window. Once the sync is complete, the path is automatically closed, creating a logical and often physical disconnect that prevents malware from traversing into the vault.
- 10
A university is implementing an Avamar solution to back up a large VDI environment with thousands of similar Windows desktop images. To minimize backup storage and network traffic, the solution architect wants to leverage a feature that pre-processes and deduplicates common data blocks from the virtual machine templates before backing up the individual VMs. What is this Avamar feature called?
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Correct answer: D
Image-level Commonality Factoring is the specific Avamar technology designed for VDI environments. It works by backing up the 'gold' or template VM image first. When subsequent linked-clone or similar VMs are backed up, Avamar recognizes the common blocks from the template and only backs up the unique data, dramatically reducing storage consumption and backup times.
