CISCO-SDSI: Designing Cisco Security Infrastructure (SDSI 300-745)
Master the Cisco CCNP Security SDSI 300-745 concentration - DESIGN enterprise security infrastructure: threat-protection approaches for endpoints, identity and email; architecture changes for hybrid work, IoT, SaaS and multi-cloud; VPN and tunneling selection (SD-WAN, IPsec, DMVPN, GETVPN); secure management and control planes; firewall feature and architecture selection (NGFW, WAF, IPS, distributed and eBPF firewalls); application and cloud-native security (CNAPP, microsegmentation, containers, serverless); emerging-tech design policy for generative AI, ML and post-quantum cryptography; SOC incident response; security frameworks (MITRE ATT&CK and CAPEC, NIST SP 800-37 RMF, NIST CSF 2.0, Cisco SAFE); regulatory compliance mapping; and AI, security automation and DevSecOps.
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Official Exam Details
| Duration | 90 minutes |
| Questions | ~55-65 (Cisco does not publish an exact count) |
| Passing Score | Cisco scales scores 300-1000 and does not publish the exact SDSI cut score |
| Exam Cost | $300 USD |
| Testing Provider | Pearson VUE (test center or OnVUE online proctored) |
| Validity | 3 years |
| Prerequisites | None to sit the exam. Earning CCNP Security requires the SCOR 350-701 core exam plus one concentration exam such as SDSI 300-745. SDSI also earns the Cisco Certified Specialist - Designing Cisco Security Infrastructure certification. |
| Question Types | Multiple choice, Multiple response, Drag-and-drop |
Domain Breakdown
| Domain | Questions |
|---|---|
| Secure Infrastructure | 74 |
| Applications | 62 |
| Risk, Events, and Requirements | 74 |
| Artificial Intelligence, Automation, and DevSecOps | 40 |
Frequently Asked Questions
What is the passing score for the Designing Cisco Security Infrastructure (SDSI 300-745) exam?
The passing score for Designing Cisco Security Infrastructure (SDSI 300-745) (CISCO-SDSI) is Cisco scales scores 300-1000 and does not publish the exact SDSI cut score. Our practice exams use an 80% threshold to help you build confidence before the real test.
How long is the Designing Cisco Security Infrastructure (SDSI 300-745) exam?
The official Designing Cisco Security Infrastructure (SDSI 300-745) exam is 90 minutes long. You can simulate this time pressure using our Exam Mode, which includes a countdown timer and auto-submit.
How much does the Designing Cisco Security Infrastructure (SDSI 300-745) exam cost?
The Designing Cisco Security Infrastructure (SDSI 300-745) certification exam costs $300 USD. You can prepare with our 250-question practice exam for just $9 (1 year access) — a fraction of the real exam fee.
How many questions are on the Designing Cisco Security Infrastructure (SDSI 300-745) exam?
The official Designing Cisco Security Infrastructure (SDSI 300-745) exam has ~55-65 (Cisco does not publish an exact count) questions. Our practice bank includes 250 exam-style questions with detailed explanations covering all 4 domains.
What are the prerequisites for Designing Cisco Security Infrastructure (SDSI 300-745)?
Prerequisites for Designing Cisco Security Infrastructure (SDSI 300-745): None to sit the exam. Earning CCNP Security requires the SCOR 350-701 core exam plus one concentration exam such as SDSI 300-745. SDSI also earns the Cisco Certified Specialist - Designing Cisco Security Infrastructure certification.. Our study materials are designed for all levels, with detailed explanations that build understanding from scratch.
How long is the Designing Cisco Security Infrastructure (SDSI 300-745) certification valid?
The Designing Cisco Security Infrastructure (SDSI 300-745) certification is valid for: 3 years. Plan your recertification early and use our practice exams to stay sharp.
Is the Designing Cisco Security Infrastructure (SDSI 300-745) practice exam worth it?
Yes — our 250-question practice exam includes three study modes (Study, Exam Simulation, and Flashcards with spaced repetition), detailed explanations for every answer, adaptive question selection, and progress tracking across all 4 domains. 20 practice questions are free with no account needed. Full access is $9 for 1 year.
How do I prepare for the Designing Cisco Security Infrastructure (SDSI 300-745) certification?
Start with Study Mode for instant feedback and concept learning. Switch to Exam Mode for timed practice under real conditions (90 minutes, Cisco scales scores 300-1000 and does not publish the exact SDSI cut score to pass). Use Flashcards with spaced repetition to retain key facts long-term. Track your readiness score across all domains.