Study the Exam Blueprint: Focus on all five domains, especially design-related topics in Sections 2 and 3.
Get Hands-On with NSX 4.x: Use labs or VMware HOL to practice real deployments, routing, firewalling, and federation.
Master Design Principles: Learn to interpret business requirements and justify design decisions based on availability, performance, and security.
Review Real-World Scenarios: Study VMware validated designs and reference architectures to understand design patterns.
Use Official VMware Resources: Read NSX documentation, whitepapers, and the NSX Design Guide on VMware’s Tech Zone.
Practice with exam questions: Use scenario-based 3V0-42.23 practice tests and flashcards to get used to the exam format.
Join Communities: Participate in VMware forums, Reddit, or study groups to learn from others and share ideas.
Manage Time in the Exam: Aim for ~2.5 minutes per question and flag tough ones to revisit.