This DP-420 Practice Test Azure Cosmos DB: 1500 Questions course is built to give you a clear, scenario-based understanding of data modeling, partitioning, indexing, consistency, security, multi-region replication and cost-optimized workloads in Azure Cosmos DB. The questions are structured around real application and operations scenarios, not isolated facts, so you can reason about Cosmos DB design in practice.

The course contains 1,500 questions divided into six sections of 250 questions each. You begin with Data Modeling Patterns & Workload-Driven Design in Azure Cosmos DB — 250 Questions, where you design document models and access patterns that match real workloads instead of copying relational schemas.

The second section, Partitioning Strategies, Throughput & Physical Distribution — 250 Questions, trains you to think in terms of logical and physical partitions, RUs and autoscale, and to choose partition keys that scale across tenants, regions and growth.

In the third section, Indexing, Queries, Transactions & Performance Tuning — 250 Questions, you learn how indexing policies, query shapes and transactional batches interact, and how to reduce RU consumption by aligning indexes with access patterns.

The fourth section, Consistency Models, Availability Trade-Offs & Multi-Region Design — 250 Questions, helps you choose consistency levels and replication strategies that balance latency, freshness and correctness across regions.

The fifth section, Security, Compliance, Encryption & Access Control for Cosmos DB — 250 Questions, focuses on identity, keys, network protections and encryption, showing how to protect sensitive data and align with compliance expectations.

Finally, the sixth section, Operations, Monitoring, Cost Optimization & Reliability Practices — 250 Questions, connects everything with metrics, alerts, throttling, backups and cost management, so you treat Cosmos DB as a continuously monitored and tuned platform.

Each practice test can be retaken as many times as you need, helping you track and enhance your progress, focus on weaker domains and build structured confidence. Whether you are preparing for DP-420-style objectives or running Cosmos DB workloads in production, this course provides a clear, section-based path to advanced Azure Cosmos DB skills.

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