EMC Symmetrix Solutions Expert Exam for Technology Architects : E20-816 exam

EMC E20-816 Actual PDF
  • Exam Code: E20-816
  • Exam Name: Symmetrix Solutions Expert Exam for Technology Architects
  • Updated: Aug 25, 2026
  • Q & A: 156 Questions and Answers
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EMC E20-816 Exam Syllabus Topics:

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

                                  EMC Symmetrix Solutions Expert Exam for Technology Architects Sample Questions:

                                  Question 1

                                  What is a write pending slot in a Symmetrix VMAX?

                                  A. A cache slot that is yet to be replicated to the remote array
                                  B. A cache slot with data that has not yet been destaged to disk
                                  C. A cache slot that the host is about to write to
                                  D. Any cache slot with data written from the host


                                  Question 2

                                  An existing 2-engine VMAX array has 192 x 450GB 15K Fibre Channel drives in a single Virtual Provisioning pool. Two Linux database hosts are connected to the array and both are running PowerPath.
                                  Host oradb01 is connected to the E0 FA ports on each director and is meeting the customer performance SLA. Host oradb02 is connected to the G0 FA ports on each director - and for the past 3 days this host has been experiencing poor performance during peak activity in the afternoons.
                                  What steps do you take to identify likely bottlenecks?

                                  A. Run iostat -x in order to compare I/O size and read/write ratio of the two hosts
                                  B. Open a case with EMC Support and upload Oracle Statspack information
                                  C. Check the host for queued I/Os, use SPA to examine I/O size and utilization on the G0 FA ports
                                  D. Use SMC to check for Virtual Pool alerts, use SPA to measure drive response times


                                  Question 3

                                  You are designing a Symmetrix VMAX array with 15K rpm Fibre Channel drives and 7.2K rpm SATA drives. How can you ensure that every back-end director manages just one type of drive?

                                  A. Connect drives of just one type to each front-end director
                                  B. Connect drives of just one type to each engine
                                  C. Load drives of just one type in each bay
                                  D. Load drives of just one type in each disk array enclosure


                                  Question 4

                                  Your customer has security and management concerns with SRDF and Timefinder scripts that are currently running on many production hosts. Symacl will be used to reduce or limit storage management controls to two centralized management servers. How can your customer finish migrating the scripts after symacl is enabled?

                                  A. The legacy scripts access can be managed by creating a legacy Access Control Pool.
                                  B. The legacy script must be migrated to the centralized management server before enabling symacl.
                                  C. The legacy scripts access can be managed by using the unknown group.
                                  D. The legacy scripts can be managed by creating a legacy access control group.


                                  Question 5

                                  Click on the calculator icon in the upper left corner.
                                  A customer is implementing an Exchange environment on an EMC Symmetrix VMAX. The environment will be deployed on 600 GB FC 15K drives using RAID 1 data protection. The application generates 1350 I/O per second and has a 2:1 read/write ratio.
                                  What is the minimum number of drives recommended to support the application?

                                  A. 12
                                  B. 16
                                  C. 8
                                  D. 30


                                  Solutions:

                                  Question 1
                                  Answer: B
                                  Question 2
                                  Answer: C
                                  Question 3
                                  Answer: B
                                  Question 4
                                  Answer: C
                                  Question 5
                                  Answer: A

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