DP-420 Exam | Microsoft Certified Azure Cosmos DB Developer Specialty

This post covers everything you must know before appearing for the Azure Cosmos DB Developer Specialty Certification [DP-420] exam.

DP 420 Certification is the course that teaches developers how to create applications using the SQL API and SDK for Azure Cosmos DB.

The topics covered in this blog are:

• What Is Azure Cosmos DB Developer Specialty Certification?
• Why You Should Learn Cosmos DB Development?
• DP 420 Certification Benefits
• Pre-requisites For DP 420
• DP 420 | Exam Details
• Learning Path
• DP 420 Hands-On Guide
• Who This Certification Is For?
• Exam Retake Policy
• FAQs

What Is Azure Cosmos DB Developer Specialty Certification?

The DP 420 Microsoft Azure Cosmos DB Developer Speciality Certification is aimed towards those who have subject matter expertise in designing, implementing, and monitoring cloud-native applications that store and manage data on Azure.
Responsibilities for this part include designing and enforcing data models and data distribution, lading data into an Azure Cosmos DB database, and optimizing and maintaining the result. These professionals integrate the result with other Azure services. They also design, apply, and cover results that consider security, vacuity, adaptability, and performance conditions.

Why You Should Learn Cosmos DB Development?

Azure Cosmos DB is a global distributed,multi-model database that’s used in a wide range of operations and use cases. It’s a good choice for any serverless operation that needs low order- of- millisecond response times, and needs to gauge fleetly and encyclopedically. It supports multiple data models (key-value, documents, graphs and columnar) and many Azure Cosmos DB APIs for data access including API for MongoDB, API for NoSQL, API for Gremlin, and API for Table natively, and in an extensible manner.

Note: Do Read Our Blog on Azure Cosmos DB – Introduction, Features & Benefits 

The average salary for a Cosmos DB Developer is $70,345/yr as of some resources. This is above the national average of $44,564. Hence, a Data Scientist makes 153% more than the national average salary!

DP-420 Certification Benefits

• Increase in demand for Cosmos DB Developer. The CV with Microsoft Certification is globally recognized.
• Upon earning a certification, 26 per cent report job promotions and 35 per cent of technical professionals say getting certified led to salary or wage increases.
• In terms of job prospects and earnings, a certification leads to a rampant gain in both.
• Updating your profile with this certificate will advance your job profile and increase your chances of getting chosen.

Pre-requisites For DP-420

Before attending this course, students must have:

• Knowledge of Microsoft Azure and capability to navigate the Azure gate( AZ- 900 equivalent)
• Experience jotting in an Azure-supported language at the intermediate position.(C#, JavaScript, Python, or Java)
• Capability to write code to connect and perform operations on a SQL or NoSQL database product.

DP 420 Exam Details

• Certification Name: [DP-420] Microsoft Certified: Azure Cosmos DB Developer Specialty
• Prerequisites: There are no prerequisites for taking this certification.
• Exam Duration: 180 minutes
• Number of Questions: 40 – 60
• Passing Score: 700
• Exam Cost: USD 165.00

Learning Path for DP-420

DP 420 Hands-On Guides

For DP 420 we have a list of 33 Step-by-Step Activity Guides (Hands-On Labs) for you to practice and have a clear knowledge of the concepts both theoretically and practically. The list of activity guides is as follows:

1. Create an Azure resource group for lab
2. Setup local lab environment
3. Enable Azure resource providers
4. Create an Azure Cosmos DB SQL API account
5. Configure throughput for Azure Cosmos DB SQL API with the Azure portal
6. Migrate existing data using Azure Data Factory
7. Configure the Azure Cosmos DB SQL API SDK for offline development
8. Connect to Azure Cosmos DB SQL API with the SDK
9. Create and update documents with the Azure Cosmos DB SQL API SDK
10. Batch multiple point operations together with the Azure Cosmos DB SQL API SDK
11. Move multiple documents in bulk with the Azure Cosmos DB SQL API SDK
12. Paginate cross-product query results with the Azure Cosmos DB SQL API SDK
13. Execute a query with the Azure Cosmos DB SQL API SDK
14. Review the default index policy for an Azure Cosmos DB SQL API container with the portal
15. Configure an Azure Cosmos DB SQL API container’s index policy with the portal
16. Archive Azure Cosmos DB SQL API data using Azure Functions
17. Process change feed events using the Azure Cosmos DB SQL API SDK
18. Archive data using Azure Functions and Azure Cosmos DB SQL API
19. Measure performance for customer entities
20. Advanced modelling patterns
21. Configure consistency models in the portal and the Azure Cosmos DB SQL API SDK
22. Connect to different regions with the Azure Cosmos DB SQL API SDK
23. Connect to a multi-region write account with the Azure Cosmos DB SQL API SDK
24. Optimize an Azure Cosmos DB SQL API container’s index policy for common operations
25. Optimize an Azure Cosmos DB SQL API container’s index policy for a specific query
26. Troubleshoot an application using the Azure Cosmos DB SQL API SDK
27. Use Azure Monitor to analyze an Azure Cosmos DB SQL API account
28. Recover a database or container from a recovery point
29. Store Azure Cosmos DB SQL API account keys in Azure Key Vault
30. Adjust provisioned throughput using an Azure CLI script
31. Create an Azure Cosmos DB SQL API container using Azure Resource Manager templates
32. Implement and then use a UDF using the SDK
33. Create a stored procedure with the Azure Portal

Who This Certification Is For?

DP-420 Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB Certification can be the ideal achievement if you are:

• Programming masterminds who are responsible for making pall-native arrangements exercising the Azure Cosmos DB SQL API and its various SDKs.
• IT experts who have ferocious information & experience with C#, Python, Java, or JavaScript
• Knowledge and experience composing law that connects with a SQL or NoSQL database.
• Candidates who are keen on Data Engineering
• Application Developers

Exam Retake Policy 

• If a candidate does not clear the certification on the first attempt, then they will have to wait for 24 hours before they try again.
• If the candidate does not clear on the second attempt also, he/she should re-access their training and retake the exam after a period of 14 days.
• At last, a candidate has a maximum of 5 retakes allowed in a year.

FAQs

Q1. Why Obtain the Cosmos DB Certification?
This course is ideal for IT professionals who want to learn the fundamentals of database generalities in a pall terrain, get introductory skilling in pall data services, and make their foundational knowledge of pall data services within Microsoft Azure with a view to taking up places as Data Engineers and Database Administrators.

Q2. What are the benefits of the DP-420 Exam?
By this test, you’ll learn the fundamentals of database generalities in a pall terrain, get introductory skilling in pall data services, and make your foundational knowledge of pall data services within Microsoft Azure. You’ll explore-relational data offerings, provisioning and deploying-relational databases, and non-relational data stores with Microsoft Azure.

Q3. How to schedule the exam?
This test measures your capability to negotiate the following specialized tasks design and apply data models; design and apply data distribution; integrate an Azure Cosmos DB result; optimize an Azure Cosmos DB result, and maintain an Azure Cosmos DB result.

Q4. What are the DP-420 exam topics?

• Design and Implement Data Models (35–40%)
• Design a data partitioning strategy for Azure Cosmos DB Core API.
• Design and Implement Data Distribution (5–10%)
• Integrate an Azure Cosmos DB Solution (5–10%)
• Optimize an Azure Cosmos DB Solution (15–20%)
• Maintain an Azure Cosmos DB Solution (25–30%)

Q5. What Should You Know Before Studying The DP-420?
Every test and instrument has different requirements. However, make sure to read the prerequisites before preceding, If this is a serious adventure. Nothing is worse than wasting months studying for a test you can’t take or passing a test that won’t help you get an instrument! Our easy hunt tools are designed to help you find applicable information as well as search for a variety of different examinations.

Q6. What Is The DP-420 Focused On?
The DP- 420 or as it’s also known, the Designing and enforcing pall-Native operations Using Microsoft Azure Cosmos DB, like all tests, there’s a bit of freedom on Microsoft’s part to test an array of subjects. That means knowing the maturity of DP- 420 content is needed because they test aimlessly on the numerous subjects available. Be apprehensive too that experience conditions frequently live because they’ve observed the average person and what’s needed. You can always push history to succeed with the DP- 420 but it may take some redundant work.

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