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From the free demo to instant delivery, from 365 days of updates to a money-back guarantee, Fast2test covers every step of your Cisco Storage Networking Solutions Design Specialist (CSSDS) journey in 2026. Pick your 642-355 package, work through 60 expert-verified questions, and book your exam with confidence.
Cisco 642-355 Exam Overview:
| Certification Vendor: | Cisco |
|---|---|
| Exam Name: | Cisco Storage Networking Solutions Design Specialist (CSSDS) |
| Exam Number: | 642-355 |
| Available Languages: | English |
| Related Certifications: | CCNP Data Center (legacy alignment) Cisco Data Center Certifications |
| Exam Duration: | 90-120 |
| Real Exam Qty: | 50-65 |
| Exam Format: | Scenario-based questions, Multiple choice |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Proctored exam delivered through Cisco authorized testing centers (historically Pearson VUE). |
| Pre Condition: | No strict prerequisites. Recommended knowledge of Cisco networking and storage area network (SAN) technologies. |
Cisco 642-355 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Storage Networking Fundamentals | - Fibre Channel protocol fundamentals - SAN architecture concepts |
| Implementation and Troubleshooting | - Common SAN issues diagnosis and resolution - Storage network deployment procedures |
| Cisco Storage Networking Technologies | - VSAN configuration and management - Cisco MDS switches architecture and features |
| SAN Design Principles | - Zoning design and best practices - Scalability and high availability design |
Cisco 642-355 FAQs: What Every Candidate Asks
The 642-355 exam, officially titled Cisco Storage Networking Solutions Design Specialist (CSSDS), is the qualifying test for the Storage Networking certification from Cisco, a credential at the Specialist level. Passing it proves you have the skills employers look for in certified professionals, and it can also support progress toward related credentials such as Cisco Data Center Certifications, CCNP Data Center (legacy alignment).
The Cisco Storage Networking Solutions Design Specialist (CSSDS) exam gives you 90-120 to work through 50-65 questions. That is a steady pace with little room for second-guessing, so train yourself to read each question once, flag the difficult ones, and keep moving. Before exam day, sit at least two full timed sessions in the Fast2test test engine — when the clock feels familiar, it stops being a threat.
No strict prerequisites. Recommended knowledge of Cisco networking and storage area network (SAN) technologies. Eligibility rules can change over time, so before you register, confirm the latest requirements on the official exam page.
Yes. Fast2test offers a free PDF demo for the Cisco Storage Networking Solutions Design Specialist (CSSDS) exam so you can judge the quality of our questions and answers before paying anything. Every purchase also comes with 365 days of free updates, and once that period expires you can extend your update service at a 50% discount.
Your purchase is protected by a 100% money-back guarantee. If you sit the corresponding 642-355 exam within 60 days of buying and do not pass, send us a scan of your exam enrollment slip together with your official Score Report (PDF) within 2 days of the exam date — the candidate name must match the payer's name — and we will process your full refund within 7 days. Please note that exams taken within 3 days of purchase, materials downloaded without ever sitting the exam, free products, and expired orders are not covered. If you would rather not have a refund, you can exchange your order for two exam products of equal value, free of charge, and keep the update service on your original purchase.
Delivery is instant: your files are emailed to you within one minute of payment and can also be downloaded directly, with no limit on the number of computers you install them on. If nothing has arrived within 2 hours, contact our customer service team and we will sort it out.
The Cisco Storage Networking Solutions Design Specialist (CSSDS) syllabus is organized into 4 domains. The main areas include Cisco Storage Networking Technologies, Implementation and Troubleshooting, and SAN Design Principles. Scroll up to the Exam Topics section above for the complete, current outline before you plan your study schedule.
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