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EMC Legato Cert E20-855 Braindumps

E20-855

Exam Code: E20-855

Exam Name: Networked Storage-SAN Expert for Implementation Engineers

Updated: Aug 20, 2026

Q & A: 114 Questions and Answers

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About EMC E20-855 Real Exam Collection

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EMC E20-855 Exam Syllabus Topics:

SectionObjectives
Storage Area Network (SAN) Fundamentals- SAN topology and design principles
  • 1. Core-edge and mesh designs
    • 2. Redundancy and high availability concepts
      - Fibre Channel architecture and components
      • 1. Switches, directors, and inter-switch links
        • 2. Host Bus Adapters (HBA) and initiators
          Performance and Troubleshooting- Fault isolation and resolution
          • 1. Connectivity troubleshooting
            • 2. Fabric and path failure diagnosis
              - SAN performance analysis
              • 1. Latency and throughput considerations
                • 2. Congestion and bottleneck identification
                  Storage Array Integration- LUN provisioning and mapping
                  • 1. LUN masking and access control
                    • 2. Host connectivity configuration
                      - Multipathing and failover
                      • 1. Path redundancy and load balancing
                        • 2. MPIO configuration concepts
                          Zoning and Fabric Management- Fabric services and management
                          • 1. Fabric login and device discovery
                            • 2. Name Server and login services
                              - Zoning concepts and implementation
                              • 1. Single-initiator zoning best practices
                                • 2. WWN zoning vs port zoning
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