EMC E20-326 Exam : Symmetrix Solutions Design Exam for Technology Architects

  • Exam Code: E20-326
  • Exam Name: Symmetrix Solutions Design Exam for Technology Architects
  • Updated: Sep 07, 2026
  • Q & A: 235 Questions and Answers

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EMC E20-326 Exam Syllabus Topics:

SectionObjectives
Storage Provisioning and Management- LUN provisioning and masking concepts
  • 1. Thin provisioning concepts
    • 2. Storage groups and host access configuration
      Symmetrix / VMAX Architecture- Symmetrix VMAX system architecture and components
      • 1. Director architecture and cache design
        • 2. Enginuity operating environment concepts
          - Storage array hardware and scalability concepts
          • 1. Capacity planning considerations
            • 2. Front-end / back-end connectivity
              Business Continuity Design- High availability architecture
              • 1. Site redundancy design principles
                • 2. Failover and failback planning
                  Performance and Optimization- Tuning and optimization strategies
                  • 1. Workload balancing across arrays
                    - Performance analysis
                    • 1. Bottleneck identification in storage systems
                      • 2. IOPS, latency, throughput concepts
                        Data Protection and Replication- Remote replication technologies
                        • 1. SRDF (Symmetrix Remote Data Facility) modes
                          • 2. Disaster recovery architectures
                            - Local replication technologies
                            • 1. TimeFinder Snap/Clone concepts

                              EMC Symmetrix Solutions Design Exam for Technology Architects Sample Questions:

                              Question 1

                              What is the maximum number of wavelengths that can be multiplexed on a single optical
                              fiber over CWDM?

                              A. 32
                              B. 16
                              C. 160
                              D. 8


                              Question 2

                              A customer is implementing a Microsoft Exchange environment on a Symmetrix VMAX. The environment will be deployed on 600 GB FC 15K drives using RAID 5 data protection. The application generates 2000 I/O per second with an I/O pattern that is 75% reads and 25% writes.
                              What is the minimum number of drives recommended to support the application?

                              A. 32
                              B. 18
                              C. 12
                              D. 24


                              Question 3

                              A customer has implemented an Oracle application on a Symmetrix VMAX with a mix of Enterprise Flash Drives (EFD) and FC 15K drives. EFD are configured in RAID 5, and FC 15K drives are configured both in RAID 5 and RAID 1. In terms of IOPS activity, reads are predominant over writes. The customer decided to place a portion of the database in each tier.
                              Which Oracle database object(s) is suitable for placing on the FC 15K RAID 1 drives?

                              A. Redo log files
                              B. Data files
                              C. Index files
                              D. Temp file


                              Question 4

                              When designing SRDF/A, what is the recommended configuration for the DSE pool?

                              A. RAID 1 devices spread out over many disks
                              B. RAID 6 devices on dedicated disks
                              C. RAID 5 devices spread out over few disks
                              D. RAID 1 devices on dedicated disks


                              Question 5

                              You have been working with a customer on a new SRDF/A design and need to validate the configuration using host data. Which tool do you use?

                              A. BCSD
                              B. Tier Advisor
                              C. E-lab Advisor
                              D. SymmMerge


                              Solutions:

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

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