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

Exam Code: E20-326

Exam Name: Symmetrix Solutions Design Exam for Technology Architects

Updated: Sep 03, 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
      Performance and Optimization- Tuning and optimization strategies
      • 1. Workload balancing across arrays
        - Performance analysis
        • 1. IOPS, latency, throughput concepts
          • 2. Bottleneck identification in storage systems
            Data Protection and Replication- Remote replication technologies
            • 1. Disaster recovery architectures
              • 2. SRDF (Symmetrix Remote Data Facility) modes
                - Local replication technologies
                • 1. TimeFinder Snap/Clone concepts
                  Business Continuity Design- High availability architecture
                  • 1. Failover and failback planning
                    • 2. Site redundancy design principles
                      Symmetrix / VMAX Architecture- Storage array hardware and scalability concepts
                      • 1. Capacity planning considerations
                        • 2. Front-end / back-end connectivity
                          - Symmetrix VMAX system architecture and components
                          • 1. Enginuity operating environment concepts
                            • 2. Director architecture and cache design

                              EMC Symmetrix Solutions Design Exam for Technology Architects Sample Questions:

                              Question 1

                              What is a result of designing SRDF/A with inadequate bandwidth?

                              A. Lower minimum cycle time
                              B. Elongated cycle time
                              C. Lower cache requirement
                              D. Elongated RTO


                              Question 2

                              A customer needs to configure SRDF/S between two sites 10 km apart. The customer
                              connected the R1 ports to fabric-A at site 1 and the R2 ports to fabric-B at site 2. The customer does not want to merge the two fabrics between sites.
                              What is the recommended solution?

                              A. Implement FC routing or Virtual SAN to isolate the fabric
                              B. Implement FCIP connection to isolate the fabric
                              C. Merge two fabrics, and zone R1 and R2 ports.
                              D. Connect the RDF ports using DWDM or SONET.


                              Question 3

                              You are working for a customer as an architect, designing a new Symmetrix VMAX to replace multiple DMX arrays. Which tool should be used to design system components based on workload?

                              A. SymmMerge
                              B. Solutions Enabler
                              C. SMC
                              D. Unisphere Analyzer


                              Question 4

                              The NAR file on a source CLARiiON array is 12 hours of 300 second intervals. You require a minimum of 30 intervals of complete data.
                              How many 30-minute trace files will need to be collected from the CLARiiON for a Tier Advisor analysis?

                              A. 4
                              B. 7
                              C. 6
                              D. 5


                              Question 5

                              What can happen if an over-subscribed thin pool becomes full?

                              A. writes to unallocated extents on TDEV's stay in a queued state until the storage administrator can assign additional capacity.
                              B. writes to unallocated extents on TDEV's continue within cache and the virtual pool is not automatically expanded to the needed level.
                              C. writes to unallocated extents on TDEV's continue within cache and the virtual pool is automatically expanded to the needed level.
                              D. writes to unallocated extents on TDEV's fail and an I/O error is returned. If the host is booting from SAN, this may also result in a server hang condition.


                              Solutions:

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

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