D-PDD-DY-01 Sample Questions

D-PDD-DY-01 Sample Questions & Answers

Racking, cabling, and powering up the head unit and expansion shelves dominates the weighting, bookended by reviewing site-specific pre-deployment checklists and, afterward, configuring system access, monitoring tools, and data security features.

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Showing 6 of 12 free samples.

  1. Question 1Beginner

    Pre-Deployment Check · Interpret customer site-specific needs and requirements

    True or False: The pre-deployment site readiness assessment should exclusively focus on the physical rack space and power availability, as network prerequisites can be addressed during the post-deployment phase.

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    Correct answer: B

    False. Network prerequisites (such as IP addresses, subnet masks, gateways, DNS, and switch port provisioning) must be gathered and verified during the pre-deployment site readiness assessment. Without these, initial configuration cannot be completed.

  2. Question 2Advanced

    Pre-Deployment Check · Interpret customer site-specific needs and requirements

    A financial institution is preparing for the deployment of a new PowerProtect DD series appliance to serve as their primary backup target. The deployment engineer is conducting the pre-deployment site readiness assessment.

    The customer states they have exactly 4U of contiguous rack space available in Rack A, and 6U available in Rack B (which is 15 meters away). The order consists of one 2U head unit and two 2U expansion shelves. The customer insists on placing the head unit in Rack A and the expansion shelves in Rack B due to PDU capacity limits in Rack A.

    Which of the following is the BEST technical response the engineer should provide regarding this deployment plan?

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    Correct answer: B

    PowerProtect DD expansion shelves connect to the head unit via SAS cables. Standard SAS cables used in these deployments have maximum supported lengths (usually maxing out around 3 to 5 meters). A 15-meter separation between the head unit and its expansion shelves is not supported physically or architecturally.

  3. Question 3Intermediate

    Pre-Deployment Check · Interpret customer site-specific needs and requirements

    During the pre-deployment checklist review, a customer asks why you need to verify the availability of specific network port speeds (e.g., 10GbE or 25GbE) on their Top-of-Rack switches prior to unboxing the hardware.

    What is the most accurate technical justification?

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    Correct answer: A

    PowerProtect DD appliances are customized at the time of order with specific IO modules (e.g., 10GbE Base-T, 10/25GbE SFP28). Verifying switch port speeds and transceiver compatibility against the ordered hardware ensures the appliance can actually link to the customer's network once racked.

  4. Question 4Beginner

    Deployment · Install head unit and expansion shelves into a rack

    When physically installing a PowerProtect Data Domain head unit and multiple expansion shelves into a standard 19-inch data center rack, what is the best practice regarding vertical placement?

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    Correct answer: A

    Best practice for racking heavy enterprise hardware is always to install from the bottom up, placing the heaviest components (like fully loaded expansion shelves) at the bottom. This lowers the center of gravity and prevents the rack from becoming top-heavy and tipping over.

  5. Question 5Intermediate

    Deployment · Install head unit and expansion shelves into a rack

    During the physical installation of a PowerProtect DD head unit, the deployment engineer utilizes the provided tool-less rail kit.

    Which of the following describes a key characteristic of properly installed tool-less rails for this appliance?

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    Correct answer: B

    Tool-less rail kits provided with Dell enterprise hardware (like PowerProtect DD) are designed with pins and latching mechanisms that snap directly into standard square-hole racks without requiring cage nuts or screwdrivers for the rail attachment itself.

  6. Question 6Advanced

    Deployment · Cable expansion shelves and connect power/network

    A deployment engineer is cabling a PowerProtect DD system that includes a head unit and three DS60 expansion shelves. To ensure high availability and optimal performance, the engineer must follow strict SAS cabling topology rules.

    Which of the following represents the correct SAS cabling methodology for this configuration?

    graph TD HBA[Head Unit SAS HBA] S1[Shelf 1] S2[Shelf 2] S3[Shelf 3] HBA -->|Port A| S1 S1 -->|Daisy Chain| S2 S2 -->|Daisy Chain| S3 HBA -->|Port B| S3
    Show answer & explanation

    Correct answer: D

    PowerProtect DD uses a redundant SAS multipath topology. Shelves are daisy-chained together (Link Control Card A to LCC A, LCC B to LCC B). The head unit connects to the beginning of the chain (first shelf) via one HBA port, and connects to the end of the chain (last shelf) using another HBA port, creating a highly available loop.

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