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DP-420 Microsoft Azure Cosmos DB Developer Specialty Exams

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1020 practice questions for data modeling, indexing, partitioning & performance tuning in Azure Cosmos DB for 2026
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938 students
Created by Nex Arc
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What you'll learn

  • Design and implement Azure Cosmos DB data models, partitioning strategies, and consistency levels.
  • Configure indexing policies, provision throughput, and fine-tune performance for real-world workloads.
  • Master practice exams with timed, scenario-based questions to build confidence and readiness.
  • Interpret the DP-420 exam blueprint to target high-value topics.
This course includes:
1020 questions on-demand video
0 articles
0 downloadable resources
0 lessons
Full lifetime access
Access on mobile and TV
Certificate of completion
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Course content

Requirements

  • Familiarity with Azure fundamentals and basic database concepts.
  • Basic understanding of JSON and NoSQL paradigms.

Description

Are you preparing for the DP-420 Microsoft Azure Cosmos DB Developer Specialty exam? This comprehensive practice-exam course is designed to help you master every aspect of Cosmos DB development through realistic, scenario-based questions and detailed explanations. You’ll work through multiple timed practice exams that mirror the real DP-420 format, each question carefully crafted to test your knowledge of key domains: data modeling, partitioning strategies, indexing policies, consistency levels, throughput provisioning, and performance optimization.

Throughout the course, you’ll:

  • Identify high-value topics on the DP-420 blueprint and focus your study time where it counts

  • Design robust NoSQL data models in Azure Cosmos DB, selecting appropriate partition keys and consistency levels for your workloads

  • Configure indexing policies and adopt advanced indexing techniques to accelerate query performance

  • Provision and manage throughput using manual and autoscale options, while monitoring and optimizing RU consumption

  • Tune performance for real-world scenarios by analyzing query metrics, implementing caching, and applying best practices

  • Gain exam readiness through timed, scored practice exams with in-depth explanations for every answer

Whether you’re an Azure developer, architect, or database administrator, this course will give you the confidence to tackle the DP-420 exam and deepen your Cosmos DB expertise. By the end, you’ll have built the skills and test-taking strategies needed to pass with flying colors—and to deploy production-ready Cosmos DB solutions.

Who this course is for:

  • Developers, architects, and IT professionals preparing for the DP-420 certification or seeking Cosmos DB expertise.
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