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EMC E20-021

E20-021

Exam Code: E20-021

Exam Name: Information Storage Security Design and Management Specialist Exam for Data Center Architects

Updated: Aug 18, 2026

Q & A: 100 Questions and Answers

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EMC E20-021 Exam Syllabus Topics:

SectionObjectives
Topic 1: Storage System Fundamentals- Storage architectures (DAS, NAS, SAN)
  • 1. Storage networking basics
    • 2. Block vs file vs object storage
      - Storage virtualization concepts
      • 1. Resource pooling
        • 2. Virtual storage provisioning
          Topic 2: Cloud and Hybrid Storage- Cloud storage integration
          • 1. Hybrid cloud storage models
            - Data mobility and migration
            • 1. Data tiering strategies
              Topic 3: Data Protection and Backup- Backup and recovery strategies
              • 1. Full, incremental, differential backups
                • 2. Recovery point and recovery time objectives (RPO/RTO)
                  - Replication technologies
                  • 1. Synchronous and asynchronous replication
                    Topic 4: Storage Infrastructure Management- Capacity planning
                    • 1. Forecasting storage growth
                      - Storage monitoring and performance tuning
                      • 1. Performance metrics and KPIs
                        Topic 5: Storage Security- Access control mechanisms
                        • 1. Authentication and authorization
                          • 2. Role-based access control (RBAC)
                            - Data protection techniques
                            • 1. Encryption at rest and in transit
                              • 2. Key management practices

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