Exam Overview

The DP-420 exam is the current assessment for Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB and follows the official objectives published for DP-420.

• Exam Code: DP-420
• Level: Specialty
• Duration: 100 minutes. Available languages are listed on the official exam page and can vary by exam and region.
• Passing Score: 700 or greater on Microsoft’s scaled score.
• Unscored Content: Microsoft may include items used for evaluation or research; the number is not officially disclosed by the certification provider.

Exam Structure

The DP-420 exam measures the domains in the current Azure Cosmos DB Developer syllabus. The exact number of questions is not officially disclosed by the certification provider.

• Question Types: Not officially disclosed by the certification provider. Microsoft’s official exam sandbox demonstrates the current interface and supported interaction patterns.
• Number of Questions: Not officially disclosed by the certification provider.
• Hands-On Components: The public study guide does not promise a fixed number of labs or performance tasks. Review the official exam sandbox and appointment instructions.

Exam Policies

Before completing Azure Cosmos DB Developer exam registration, review the Microsoft Certification Exam Candidate Agreement, security rules, identification requirements, delivery-provider policies, and appointment confirmation.

• Rescheduling Policy: Reschedule through the certification profile or delivery-provider account at least 24 hours before the appointment. Late changes can forfeit the exam payment or voucher.
• Cancellation Policy: Cancel at least 24 hours before the appointment. A missed appointment or late cancellation can result in loss of the exam payment or voucher.
• Retake Policy: After the first failed attempt, wait 24 hours. After a second or later failure, wait 14 days. Microsoft limits candidates to five attempts per exam within a 12-month period.
• Retake Fee: Each retake requires payment of the current Azure Cosmos DB Developer exam fee or an eligible voucher unless the purchase terms explicitly include another attempt.

Certification Validity and Renewal Options

Passing the DP-420 exam satisfies the exam requirement associated with Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB; the credential is awarded only when every requirement on the official certification page is complete.

• Validity: Microsoft role-based, specialty, and expert certifications are valid for one year from the date earned.
• Renewal Options: Renew at no cost by passing the online renewal assessment on Microsoft Learn during the six-month renewal window before expiration.

Exam Fee

• Microsoft follows country- and region-specific pricing; therefore, exam fees vary by location rather than having a single worldwide price. India: ₹4,865 Europe: €126 Middle East: US$83 USA: US$165
• Taxes: VAT, GST, sales tax, or other local charges may change the final Azure Cosmos DB Developer certification cost. The scheduling checkout displays the applicable amount.
• Example (India): Review the INR amount and applicable GST shown during Azure Cosmos DB Developer exam registration; do not convert a U.S. price because regional pricing and taxes can differ.

Prerequisites

Formal Prerequisites: Microsoft does not require another certification before a candidate can schedule this exam, although an associated certification can have additional requirements.

• Recommended Experience: Candidates should have practical exposure aligned with design and implement data models, design and implement data distribution, and the technologies listed in the official guide.
• Preparation should combine the current Azure Cosmos DB Developer syllabus, Microsoft Learn resources, the exam sandbox, and hands-on practice that reflects the target role.
• Verify the exam code and the skills-measured update date before studying because Microsoft can revise objectives, products, and credential paths.

Exam Topics

The official Azure Cosmos DB Developer syllabus organizes preparation around these measured domains:

• Design and implement data models – 35–40%: Validate the planning, configuration, implementation, governance, and troubleshooting tasks associated with design and implement data models as described in the current official skills-measured outline.
• Design and implement data distribution – 5–10%: Validate the planning, configuration, implementation, governance, and troubleshooting tasks associated with design and implement data distribution as described in the current official skills-measured outline.
• Integrate an Azure Cosmos DB solution – 5–10%: Validate the planning, configuration, implementation, governance, and troubleshooting tasks associated with integrate an azure cosmos db solution as described in the current official skills-measured outline.
• Optimize an Azure Cosmos DB solution – 15–20%: Validate the planning, configuration, implementation, governance, and troubleshooting tasks associated with optimize an azure cosmos db solution as described in the current official skills-measured outline.
• Maintain an Azure Cosmos DB solution – 25–30%: Validate the planning, configuration, implementation, governance, and troubleshooting tasks associated with maintain an azure cosmos db solution as described in the current official skills-measured outline.
• Integrated Skills Focus – The DP-420 exam connects objectives across the published domains; prepare for scenarios that require more than isolated product recall.

Intended Audience

The DP-420 exam is intended for professionals and learners whose work or goals align with the current skills measured, including:

• Software Developers
• Cloud Developers
• Business Application Developers
• Integration Engineers
• DevOps Developers
• Solution Developers
• Technical Consultants

Career Opportunities

Knowledge represented by the DP-420 exam supports development toward roles such as:

• Cloud Developer
• Software Engineer
• Application Developer
• Integration Engineer
• Power Platform Developer
• Solutions Developer

Average Salary (Approximate)

Microsoft does not publish salary ranges for Azure Cosmos DB Developer holders. These reputable employment-market estimates use closely related roles. Salaries vary by experience, employer, location, job role, and industry.

• United States: Approximately USD 95,000–165,000 per year for cloud and business-application developers (Glassdoor and Indeed, July 2026).
• India: Approximately INR 600,000–1,800,000 per year for cloud and business-application developers (Glassdoor and Indeed, July 2026).
• United Kingdom: Approximately GBP 45,000–80,000 per year for cloud and business-application developers (Glassdoor and Indeed, July 2026).
• UAE: Approximately AED 120,000–300,000 per year for cloud and business-application developers (Glassdoor and Indeed, July 2026).

Exam Delivery Options

During Azure Cosmos DB Developer exam registration, choose an available Pearson VUE test center or online-proctored appointment when that delivery option is offered for the exam and location.

• Pearson VUE Test Center – Take the exam in person at an authorized center, subject to local availability and admission requirements.
• Online Proctored Exam – Take the exam remotely under live supervision when the official scheduling workflow offers online delivery.
• Online Exam Rules: Run the system test, use a private workspace and supported computer, present accepted identification, remove prohibited materials, and follow the proctor’s instructions.
• Test Center Rules: Arrive as directed, present accepted identification, store prohibited items, complete admission procedures, and follow the candidate agreement and center rules.

Exam Registration

Follow these steps to complete Azure Cosmos DB Developer exam registration:

• Open the official DP-420 exam page on Microsoft Learn and select the scheduling option associated with your region.
• Sign in, select the DP-420 exam, and choose an available test-center or online-proctored delivery option.
• Choose the language, location, date, and time, then verify the legal name, identification requirements, accommodation status, and appointment policies.
• Pay the displayed Azure Cosmos DB Developer exam fee or apply an eligible voucher, confirm the booking, and retain the confirmation email.

After Passing the Exam

After passing the DP-420 exam, retain the score report and review the credential status in Microsoft Learn.

• Passing the DP-420 exam satisfies the exam requirement associated with Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB; the credential is awarded only when every requirement on the official certification page is complete.
• Use the Microsoft Learn Credentials dashboard to review the certification record, expiration or renewal status, transcript, and shareable credential options.
• Keep account recovery information and professional contact details current so that certification, renewal, and program notices remain accessible.

Why the DP-420 exam Is Worth It

• Aligns preparation with the current official Microsoft objectives
• Demonstrates role-relevant technology knowledge
•  Supports practical, scenario-based professional development
• Creates a verifiable foundation for specialization and career growth