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Dell EMC D-MSS-DS-23 Exam Questions
- Topic 1: Midrange Storage Solutions Best Practice: This section of the exam measures the skills of Dell Unity and PowerStore Midrange Storage Solutions professionals and covers best practice recommendations for system configuration and upgrades. It includes guidelines on hardware capacity, deployment models, clustering, and operating system upgrades. A key skill assessed is implementing effective backend connectivity solutions that enhance system performance.
- Topic 2: Dell Midrange Storage Solutions Planning, Sizing, and Design: This section of the exam measures the skills of storage engineers and covers the planning, sizing, and design phases of a Midrange solution sales engagement. It emphasizes conducting site evaluations and remediation processes while considering performance parameters and environmental limits. A critical skill evaluated is accurately characterizing workloads to inform design decisions.
- Topic 3: Dell Midrange Sizing Solutions: This section of the exam measures the skills of storage engineers and covers the use of tools like the Midrange Sizer for Unity to size solutions effectively. It includes design methods and deliverables associated with sizing storage solutions.
Free Dell EMC D-MSS-DS-23 Exam Actual Questions
Note: Premium Questions for D-MSS-DS-23 were last updated On May. 26, 2026 (see below)
A customer has a data center with 30 different applications running on 30 volumes presented from PowerStore. They want to design a DR site within 300 km with 15 min RPO using storage-based asynchronous replication. Which protection policy design leads to most stable storage performance?
In a scenario where a customer needs to design a DR site with a 15-minute RPO using storage-based asynchronous replication, creating a single protection policy assigned to 30 volumes with a five-minute shift between each volume is the most stable design. This approach ensures that the replication load is evenly distributed over time, minimizing the impact on storage performance.
Dell PowerStore Asynchronous Replication Best Practices.
Dell Technologies documentation on protection policies and replication strategies.
A solution architect notices the PowerSizer is translating File Operations into IOPS for cluster and appliance summary details. IOPS are not impacting the summary MiB/s. What is the cause of this issue?
The issue arises because File Operations were entered into the PowerSizer tool, but MiB/s (Megabytes per second) was not entered. This causes the tool to translate File Operations into IOPS (Input/Output Operations Per Second) for the cluster and appliance summary details, but since MiB/s was not entered, it does not impact the summary throughput (MiB/s). Here's the detailed explanation:
File Operations Entry: When file operations are entered, the tool calculates the corresponding IOPS to summarize the workload's impact on the system.
MiB/s Entry Missing: If the MiB/s value is not provided, the tool cannot incorporate this metric into the overall summary, leading to a mismatch where IOPS are calculated but do not affect the MiB/s summary.
Dell Technologies PowerSizer Tool Documentation
Dell Entry-Level and Mid-Range Storage Community
What information must a solution architect gather before they start designing a storage solution?
Before designing a storage solution, a solution architect must gather comprehensive information to ensure the system meets the customer's needs. The critical information includes:
Network Infrastructure: Understanding the existing network setup, including LAN and WAN configurations, is essential. This information helps in planning how the storage solution will integrate with the current network and support data traffic efficiently.
Storage Requirements: Detailed knowledge of the storage needs, including capacity, performance, and redundancy requirements, is crucial. This includes understanding the types of data to be stored, the expected data growth, and any specific storage technologies or features the customer may need.
Customer Workload Performance Requirements: Insight into the customer's workload characteristics, such as IOPS (Input/Output Operations Per Second), throughput, latency requirements, and peak usage times, is vital. This information helps in designing a storage solution that can handle the expected workloads without performance bottlenecks.
By gathering this information, the solution architect can design a tailored storage solution that meets the customer's performance and capacity needs while integrating seamlessly with their existing infrastructure.
Dell Technologies PowerStore Documentation
Dell Entry-Level and Mid-Range Storage Community
Dell Storage Products Overview
What details are covered in My Work Environmental Reports?
My Work Environmental Reports' typically cover essential configuration details relevant to Dell storage solutions, including switch configuration and host configuration. These reports are designed to ensure that the environment is set up correctly for optimal performance and interoperability with Dell storage products.
Dell Technologies documentation on My Work Environmental Reports.
Dell Midrange Storage best practices guide.
Which sizer option supports configuration of a Midrange solution with hybrid dynamic pools?
The 'Quick Configuration' sizer option supports the configuration of a midrange solution with hybrid dynamic pools. This option allows for a streamlined setup process, making it easier to configure storage pools that combine both SSDs and HDDs for optimized performance and capacity.
Dell EMC Unity Sizing Guide.
Dell Technologies documentation on storage pool configuration.
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