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EMC E20-816 Exam Syllabus Topics:

SectionObjectives
Topic 1: Storage Provisioning and Management- Performance and capacity management
  • 1. Cache optimization concepts
    • 2. Performance monitoring tools
      - Device masking and mapping
      • 1. LUN provisioning workflows
        • 2. Storage groups and initiator management
          Topic 2: SRDF and Replication Technologies- Remote replication operations
          • 1. Failover and failback procedures
            • 2. Disaster recovery planning
              - SRDF fundamentals
              • 1. SRDF modes (Synchronous, Asynchronous, Adaptive Copy)
                • 2. Consistency groups and failover concepts
                  Topic 3: Troubleshooting and Advanced Concepts- Advanced replication and recovery scenarios
                  • 1. Business continuity strategies
                    • 2. Complex SRDF recovery procedures
                      - System diagnostics and error handling
                      • 1. Hardware failure analysis
                        • 2. Common Symmetrix alerts and logs
                          Topic 4: Symmetrix / VMAX Architecture Fundamentals- Storage array concepts and configuration
                          • 1. Device types and provisioning concepts
                            • 2. RAID configurations and protection schemes
                              - Symmetrix hardware architecture and components
                              • 1. Director and cache architecture
                                • 2. Back-end and front-end connectivity

                                  EMC Symmetrix Solutions Expert Exam for Technology Architects Sample Questions:

                                  Which type of errors does the TimeFinder Integration Module for Exchange scan for prior to a backup?

                                  • A. -1010
                                  • B. -1022
                                  • C. -1018
                                  • D. -1019
                                  Reveal Solution  Discussion  0

                                  Correct Answer: D  🗳️

                                  Click on the calculator icon in the upper left corner. Refer to the exhibit.

                                  You are designing the Symmetrix VMAX architecture for a DAS-to-SAN SQL Server migration. Currently all user databases reside on a single locally attached disk enclosure, mounted to "N:\". You have decided on RAID-5 protected 15,000 RPM drives for the new SQL database and RAID-1 for the transaction log.
                                  Last week, you configured Perfmon to record the current IOPS load of the databases during the 8-hour business day, Monday thru Friday as shown in the exhibit. During an average business day, the transaction log processes 87 GB worth of data.
                                  Following EMC best practices, which discount can be taken from the overall write IOPS, when calculating for the database writes?

                                  • A. 386
                                  • B. 396
                                  • C. 1544
                                  • D. 792
                                  Reveal Solution  Discussion  0

                                  Correct Answer: B  🗳️

                                  A customer has a Symmetrix VMAX attached to 12 UNIX servers through a SAN fabric. They would like to prevent unauthorized access at the port level. Which Symmetrix security feature would satisfy that requirement?

                                  • A. User access
                                  • B. CHAP authentication
                                  • C. Symmetrix access controls
                                  • D. FCID lockdown
                                  Reveal Solution  Discussion  0

                                  Correct Answer: D  🗳️

                                  Refer to the exhibit.

                                  The exhibit shows four examples from the SRDF/Star query output in four different system states. Which state must an SRDF/Star configuration be in before Star protection can be enabled using the symstar enable command?

                                  • A. 3
                                  • B. 1
                                  • C. 2
                                  • D. 4
                                  Reveal Solution  Discussion  0

                                  Correct Answer: B  🗳️

                                  A new data warehouse will be hosted on an existing 4-engine VMAX array. The database server has 4 HBAs connected at 4Gb/s. Due to limited SAN switch ports only port 0 on each VMAX FA is connected - also at 4Gb/s.
                                  The workload is expected to require at least 2300MB/s of reads at 128KB I/O size and must maintain performance in case of any major component failure in the host, switch or array. Assume that the existing workload on the VMAX does not exceed 100MB/s per port and assume that the ports can sustain up to 300MB/s without exceeding 70% utilization.
                                  What is the minimum number of FA ports needed to spread the workload evenly across all 4 VMAX engines and meet the above performance requirements?

                                  • A. 16 FA ports, 4 per engine
                                  • B. 24 FA ports, 3 per director
                                  • C. 16 FA ports, 4 per director
                                  • D. 12 FA ports, 3 per engine
                                  Reveal Solution  Discussion  0

                                  Correct Answer: A  🗳️

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