DP-420 Microsoft Azure Cosmos DB – Practice Test

Welcome to the “Cosmos DB Fundamentals” course, your gateway to mastering Microsoft’s globally distributed, multi-model database service. This course is meticulously designed to introduce beginners to the core concepts and practical skills needed to effectively work with Cosmos DB. Whether you’re a developer, data engineer, or IT professional, this course provides a comprehensive foundation in understanding and leveraging Cosmos DB for various data-driven applications.

Course Overview:

Cosmos DB is a fully managed NoSQL database service designed for high availability, scalability, and low latency. It supports multiple data models, including document, key-value, graph, and column-family, making it a versatile choice for modern application development. This course covers the essentials of Cosmos DB, from its architectural principles to its practical usage.

What You Will Learn:

1. Introduction to Cosmos DB:

   • Discover what Cosmos DB is, its key features, and its benefits.

   • Understand the core concepts such as global distribution, multi-model support, and consistency levels.

2. APIs and Data Models:

   • Learn about the different APIs available in Cosmos DB, including SQL API, MongoDB API, Cassandra API, Gremlin API, and Table API.

   • Explore how each API caters to different data models and use cases, helping you choose the right one for your application needs.

3. Data Partitioning and Throughput:

   • Gain insights into how Cosmos DB handles data partitioning to achieve scalability and performance.

   • Understand the concept of Request Units (RUs) and how they are used to manage throughput and performance.

4. Consistency Models:

   • Explore the various consistency levels offered by Cosmos DB, such as Strong, Bounded Staleness, Session, Consistent Prefix, and Eventual consistency.

   • Learn how to select the appropriate consistency level based on your application’s requirements.

5. Indexing and Querying:

   • Understand the automatic indexing feature of Cosmos DB and how it supports efficient querying of JSON documents.

   • Learn how to perform complex queries using the SQL API and optimize query performance.

6. Change Feed and Real-Time Processing:

   • Discover how the Change Feed feature enables real-time data processing and event-driven architectures.

   • Learn how to use Change Feed to build applications that respond to data changes in real time.

7. Global Distribution and High Availability:

   • Explore how Cosmos DB ensures high availability through geo-replication and multi-region deployments.

   • Understand the impact of global distribution on data durability and application performance.

8. Security and Compliance:

   • Learn about the security features of Cosmos DB, including encryption, access control, and compliance with industry standards.

   • Understand how to implement best practices for securing your Cosmos DB deployments.

9. Practical Exercises and Projects:

   • Apply your knowledge through hands-on exercises and projects that simulate real-world scenarios.

   • Build and manage Cosmos DB containers, execute queries, and handle data changes.

By the end of this course, you will have a solid understanding of Cosmos DB’s architecture, features, and best practices. You’ll be equipped to design and implement scalable, high-performance applications using Cosmos DB, leveraging its multi-model capabilities and global distribution features. Whether you aim to enhance your skills for career advancement or tackle specific data challenges, this course provides the practical knowledge you need to excel with Cosmos DB.

Who this course is for:

• Cloud Developers and Engineers: Professionals involved in developing and deploying cloud-native applications who want to master Azure Cosmos DB for building scalable, globally distributed applications
• Database Administrators (DBAs): DBAs looking to expand their knowledge to NoSQL databases and gain expertise in managing and optimizing data within Azure Cosmos DB.
• Data Architects: Individuals responsible for designing and implementing data solutions who need to understand the best practices for modeling, partitioning, and querying data using Cosmos DB.
• IT Professionals Pursuing DP-420 Certification: Learners preparing for the Microsoft DP-420 certification exam to validate their skills in designing and implementing Azure Cosmos DB solutions.
• Aspiring Cloud Architects: Students or professionals aiming to transition into cloud architecture roles and seeking hands-on experience with a key Azure database service.