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| Topic |
Details |
| Topic 1 |
- 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.
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| Topic 2 |
- 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.
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| 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.
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EMC Dell Midrange Storage Solutions Design 2023 Sample Questions (Q179-Q184):
NEW QUESTION # 179
For a PowerStore 3200T running Block Workloads, which two options does Sizer take into consideration to equate the performance for each workload? (Select 2)
- A. Response Time
- B. Frontend Performance Saturation
- C. Throughput
- D. Storage Performance Saturation
Answer: A,C
Explanation:
For a PowerStore 3200T running block workloads, the Sizer tool takes into consideration several factors to equate the performance for each workload. The two main options are:
* Throughput:This refers to the amount of data that can be processed by the system in a given period. It is a critical measure of the storage system's capability to handle large volumes of data efficiently.
* Response Time:This metric measures the time taken to complete an I/O operation from the moment it is initiated. It is essential for assessing the performance of latency-sensitive applications.
These parameters help ensure that the storage solution is designed to meet the performance requirements of the workload, balancing between high throughput and low response times.
References:
* Dell Technologies PowerStore Sizer Tool Documentation
NEW QUESTION # 180
A customer has a data center with applications running on 16 volumes that are presented form a Dell Unity XT system, They want to design a DR ...According to Dell best practices, which design approach minimizes the impact on storage performance?
- A. Use multiple ports per controller for replication
- B. Include a Flash tier in a hybrid pool where synchronous replication is active
- C. Create the synchronous replication session before filling the source storage object with data
- D. Use Thick volumes within the replication group
Answer: C
NEW QUESTION # 181
A customer has a Dell EMC SC9000 array with six SC420 enclosures running SCOS 7.3.
The enclosure configuration is as follows:
Two enclosures have write-intensive SSDs
Four enclosures have read-intensive SSDs
What is recommended as a general guideline for making spare drive assignments?
- A. 2 spares per drive type per array
- B. 1 spare per drive type per shell
- C. 2 spare drives per shell
- D. Dedicated spares are not required
Answer: D
Explanation:
"SCOS 7.3, Distributed Sparing: eliminates the need for dedicated spares by giving customers the option to distribute sparing capacity across all drives in the array."
NEW QUESTION # 182
An architect is designing a cost-effective PowerStore solution in sizer that is expected to perform in the event of a node failure without impacting the max performance. What must be considered?
- A. Set Max Performance Saturation to 50% while sizing.
- B. Plan and design a disaster recovery site.
- C. Set Performance Growth to 50% while sizing.
- D. Provide a higher model than the sizer-recommended solution.
Answer: A
Explanation:
* Designing for Node Failure:
* Ensuring a PowerStore solution performs optimally even in the event of a node failure requires careful consideration of performance thresholds.
* Max Performance Saturation:
* Setting the Max Performance Saturation to 50% during the sizing process ensures that in the event of a node failure, the remaining node can handle the load without performance degradation.
* This conservative approach allows the system to operate within safe performance limits, maintaining high availability and performance.
* Other Options:
* Disaster Recovery Site: Important for overall business continuity but does not directly address performance during a node failure within the same site.
* Performance Growth: Setting Performance Growth to 50% focuses on future growth rather than immediate redundancy considerations.
* Higher Model: While providing a higher model can offer more resources, it is not as cost-effective as optimizing the performance saturation setting.
* Dell Midrange Storage References:
* Dell PowerStore documentation provides detailed guidelines on performance optimization and high availability configurations.
* Community forums and support resources from Dell Technologies offer insights into best practices for sizing and redundancy.
References:
* Dell PowerStore Performance Guide
NEW QUESTION # 183
Which describes cascade replication on the Dell Unity XT platform?
- A. Synchronous replication of a block resource from Sites A to B, then B to C, then C to D
- B. Asynchronous replication of a file resource from Sites A to B, then B to C, then C to D
- C. Synchronous replication of a file resource from Sites A to B, then B to C, then C to D
- D. Asynchronous replication of a block resource from Sites A to B, then B to C, then C to D
Answer: D
Explanation:
Cascade replication on the Dell Unity XT platform describes the process where a block resource is replicated asynchronously from one site to another in a sequential manner. Here's how it works:
* Site A to Site B:The block resource is first replicated asynchronously from Site A to Site B.
* Site B to Site C:After the replication from A to B is complete, the resource is then replicated from Site B to Site C.
* Site C to Site D:Finally, the resource is replicated from Site C to Site D.
This cascade replication method allows for efficient data protection and disaster recovery across multiple sites.
References:
* Dell Technologies Unity XT Replication Guide
* Dell Entry-Level and Mid-Range Storage Community
NEW QUESTION # 184
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