Cisco 642-355 Exam Information and Actual Questions

  • Exam Code/Number: 642-355
  • Exam Name/Title: Cisco Storage Networking Solutions Design Specialist (CSSDS)
  • Certification Provider: Cisco
  • Corresponding Certification: Storage Networking
  • Exam Questions: 60
  • Updated On: Jul 24, 2026

642-355
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642-355 Exam
Cisco Storage Networking Solutions Design Specialist (CSSDS)

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Cisco 642-355 Exam Overview:

Certification Vendor:Cisco
Exam Name:Cisco Storage Networking Solutions Design Specialist (CSSDS) Exam
Exam Number:642-355
Related Certifications:Cisco CCNP Data Center
Cisco Data Center certifications
Cisco Storage Networking certifications
Certificate Validity Period:3 years (typical Cisco professional-level certification validity)
Exam Format:Multiple choice, Scenario-based questions
Available Languages:English
Recommended Training:Cisco Learning Network
Cisco Data Center Training Courses
Exam Registration:Cisco Certification Registration
Pearson VUE Cisco Exams
Sample Questions:Cisco 642-355 Sample Questions
Exam Way:Delivered through Pearson VUE testing centers or online proctored exam (depending on Cisco program availability at time of registration).
Pre Condition:Recommended experience with networking fundamentals and storage technologies; familiarity with Cisco data center networking is beneficial.
Official Syllabus URL:https://www.cisco.com/c/en/us/training-events/training-certifications/certifications.html

Cisco 642-355 Exam Syllabus Topics:

SectionObjectives
Storage Network Design and Implementation- Performance considerations
  • 1. Latency and throughput optimization
    • 2. Congestion management in SAN environments
      - Design methodologies
      • 1. Scalability and redundancy planning
        • 2. High availability design patterns
          Storage Networking Fundamentals- SAN architecture concepts
          • 1. Storage Area Network (SAN) components and topology design
            • 2. Block storage vs file storage concepts
              - Fibre Channel fundamentals
              • 1. FC protocol architecture and layers
                • 2. WWN, fabric services, and domain IDs
                  Cisco MDS and SAN Switching- Cisco MDS platform architecture
                  • 1. VSAN configuration and segmentation
                    • 2. MDS switch features and capabilities
                      - Fabric management
                      • 1. Fabric login and device discovery
                        • 2. Zoning strategies (soft zoning, hard zoning)
                          Troubleshooting and Best Practices- Best practices
                          • 1. Design validation and optimization
                            • 2. Operational guidelines for SAN environments
                              - SAN troubleshooting
                              • 1. Fabric diagnostics and monitoring tools
                                • 2. Connectivity and zoning issues
                                  Storage Protocols and Connectivity- FCoE (Fibre Channel over Ethernet)
                                  • 1. Converged network architecture
                                    • 2. FCoE design principles
                                      - iSCSI and IP-based storage
                                      • 1. iSCSI architecture and use cases
                                        • 2. IP storage network design considerations


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