Track Microsoft DP-420 practice status for Azure Cosmos DB, review the route, and request an IT Mastery practice update.
On this page
DP-420 is Microsoft Certified: Azure Cosmos DB Developer Specialty. It focuses on designing, implementing, optimizing, and maintaining cloud-native applications that use Azure Cosmos DB.
This page tracks the DP-420 practice availability for IT Mastery. Dedicated simulator practice is not live yet, but the page gives you the exam snapshot, route fit, and closest live Azure practice paths.
Who DP-420 is for
developers building applications that use Azure Cosmos DB for NoSQL
candidates who need data modeling, partitioning, indexing, query, SDK, and performance judgment
learners comparing Azure developer work with Cosmos DB-specific data design and operations
DP-420 exam snapshot
Issuer: Microsoft
Platform: Microsoft Azure
Official certification name: Microsoft Certified: Azure Cosmos DB Developer Specialty
Exam code: DP-420
Passing score: 700 scaled
Assessment style: scenario-based Cosmos DB design, implementation, optimization, and maintenance decisions
Topic coverage for DP-420
Area
What to review
Data models
modeling, partition keys, distribution, and document design
Data distribution
throughput, consistency, global distribution, and scale trade-offs
Integration
SDK use, Azure service integration, app patterns, and security
Optimization
indexing, query efficiency, performance, and cost behavior
Maintenance
monitoring, backup, restore, troubleshooting, and lifecycle operations
Practice bank status
Current status: Demand review
Exact IT Mastery simulator for this assessment: not yet live
Best use right now: confirm DP-420 as your Cosmos DB target, then practise Azure fundamentals and developer-adjacent pages while dedicated practice is not live yet
Update path: request an update above if DP-420 is your actual target exam