Latest D-PSC-DS-01 Exam Objectives | D-PSC-DS-01 Reliable Exam Tutorial

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EMC D-PSC-DS-01 Exam Syllabus Topics:

SectionObjectives
Performance & Scalability- Performance tuning
  • 1. Cache hierarchy (L1/L2/L3)
    • 2. Metadata acceleration
      - Cluster scaling behavior
      • 1. Linear scale-out architecture benefits
        Data Protection & Availability- Erasure coding / protection levels
        • 1. Drive and node failure tolerance
          PowerScale Architecture & Fundamentals- OneFS architecture
          • 1. File system layout and distributed design
            • 2. Data protection and striping concepts
              Data Management & Storage Efficiency- Snapshots and protection
              • 1. SnapshotIQ behavior and overhead
                - SmartPools and tiering
                • 1. Policy-based data movement
                  • 2. Lifecycle management strategies
                    Cluster Design & Sizing- Node selection and performance tiers
                    • 1. Workload mapping and scaling principles
                      • 2. H-series, A-series, F-series node usage

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                        EMC Dell PowerScale Design v2 Exam Sample Questions (Q330-Q335):

                        NEW QUESTION # 330
                        A telecommunications company has a substantial amount of dat
                        a. This data is being created by network elements within their environment. The company wants to change the way the network elements Call Detail Records (CDR) are stored and analyzed.
                        The existing infrastructure consolidates all of the CDRs into a table structure, and then ingests them into a large database. Once ingested, a query engine accesses the database and performs analysis on these files. The system is functional; however, since the amount of CDRs generated will increase exponentially over the next year, the company is open to alternatives for storing and analyzing these records.
                        In evaluating alternatives, the key requirements are to reduce cost, the amount of storage, and the amount of time to analyze the data. The customer would like to use Hadoop to analyze the CDRs. After you have conducted an assessment of the workflow, you have recommended an Isilon Cluster to work within the Hadoop environment.
                        What would be the best recommendation to the customer for the workflow of Hadoop with Isilon?

                        Answer: D


                        NEW QUESTION # 331
                        In your second meeting with the customer you ask the following questions about their current unified SAN and NAS platform. "Are you using an application to map users from NFS Exports to SMB shares? Is each site a separate LDAP or AD Domain?"
                        What functionality are your trying to understand in their environment and what is the comparable feature in Isilon OneFS?

                        Answer: D


                        NEW QUESTION # 332
                        What advantage does journaling provide in OneFS?

                        Answer: C


                        NEW QUESTION # 333
                        What are the key benefits of SmartConnect advanced licensing? (Select all that apply)

                        Answer: A,D


                        NEW QUESTION # 334
                        What is the recommended HTTP connection count per node so that the PowerScale cluster performance and client connections are unaffected?

                        Answer: D


                        NEW QUESTION # 335
                        ......

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