D-PSC-DS-01認定デベロッパー、D-PSC-DS-01試験内容

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

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

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                        D-PSC-DS-01試験内容 & D-PSC-DS-01資格講座

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                        EMC Dell PowerScale Design v2 Exam 認定 D-PSC-DS-01 試験問題 (Q170-Q175):

                        質問 # 170
                        During initial configuration of a PowerScale cluster, OneFS creates a network using the default internal network interface without a failover option.
                        What is the default back-end network interface used?

                        正解：B


                        質問 # 171
                        A large manufacturing company is an existing Isilon customer with a cluster consisting of four NL400 nodes with 4TB drives. The cluster is using N+2:1 protection level and the file system shows that it is 60% utilized. Home directories and file shares comprise 75% of the existing content and the remainder is inactive deep archive. The company has 1,000 employees using Windows and Mac clients participating in a single Active Directory (AD) forest.
                        During a meeting with the CIO and Director of IT you discuss the company's recent acquisition - an engineering firm that specializes in Computer Aided Design (CAD). The engineering firm has 400 UNIX workstations that produce technical drawings which are currently stored on another vendor's SAN solution. The all UNIX environment uses NIS for authentication and name resolution. They do not currently use DNS or LDAP. The engineering company has an old storage system that has been experiencing problems and the CIO would like you to migrate the data onto the Isilon cluster. The CIO would like to eliminate all tape and recover the data onto disk.
                        The CIO is concerned about security of the company's intellectual property, especially with the rapid adoption of mobile devices and external cloud content sharing services such as DropBox, Egnyte, and SugarSync. They would like to implement an alternative that provides external file sharing and mobile device synchronization while maintaining security control over the company's data.
                        The Director of IT reports that users are storing non-work related content on the Isilon cluster. They would like to limit the amount of capacity that each user can consume in their home directory and want to ensure you provide the capability to easily visualize which users are over their allotment. The company's Windows users currently leverage Windows Shadow Copy to recover files that have been accidentally deleted. The IT department wants to ensure that Mac and incoming UNIX clients have the same functionality.
                        The Director of IT also mentions that users are reporting slow response times when browsing their home directories and shared folders. They are concerned that Isilon cannot scale to support their combined requirements.
                        The customer provides the following environment summary from the engineering firm's recently departed IT staff: - 20 TB of Home Directory data - 100 TB of active CAD projects - 400 TB of archived data stored on tape at an offsite warehouse
                        Which configuration changes would you recommend for the Engineering users?

                        正解：A


                        質問 # 172
                        Which use cases are best suited for inline data reduction? (Select all that apply)

                        正解：B、D


                        質問 # 173
                        Which two auditing capabilities are used in OneFS monitoring? (Select 2)

                        正解：A、D


                        質問 # 174
                        What is the maximum number of file pool policies supported in an Isilon cluster?

                        正解：D


                        質問 # 175
                        ......

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