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| Certification Vendor: | Microsoft |
|---|---|
| Exam Name: | Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB |
| Exam Number: | DP-420 |
| Related Certifications: | Microsoft Certified: Azure Developer Associate Microsoft Certified: Azure Solutions Architect Expert |
| Real Exam Qty: | 40-60 |
| Available Languages: | English, Chinese (Simplified), Japanese |
| Passing Score: | 700 |
| Exam Format: | Multiple-response, Multiple-choice, Case studies, Drag-and-drop, Practical lab scenarios |
| Certificate Validity Period: | 12 months |
| Exam Price: | $165 USD |
| Exam Duration: | 120 minutes |
| Recommended Training: | Course DP-420T00: Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB |
| Exam Registration: | Pearson VUE Microsoft Learn |
| Sample Questions: | Microsoft DP-420 Sample Questions |
| Exam Way: | Online proctored or onsite test center |
| Pre Condition: | No mandatory prerequisites; recommended experience: developing Azure applications, working with NoSQL databases, proficiency in C#/Java/JavaScript/Python, familiarity with Azure management |
| Official Syllabus URL: | https://learn.microsoft.com/en-us/credentials/certifications/resources/study-guides/dp-420 |
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Microsoft DP-420 exam, also known as "Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB," is a certification exam that focuses on designing and implementing cloud-native applications using Azure Cosmos DB. Azure Cosmos DB is Microsoft's globally distributed, multi-model database service designed for building highly scalable and available applications. The DP-420 Exam is intended for candidates who are familiar with Azure and have experience developing, debugging, and maintaining cloud-native applications.
NEW QUESTION # 24
You have an Azure Cosmos DB for NoSQL account that contains a container named customers.
You have an application named App1 that caches customers and must be notified when the list of customers changes.
You implement a change feed. The Time to Live settings have the default values.
You discover the following:
- Notifications for INSERT and UPDATE operations are received within 10 seconds.
- Notifications for DELETE operations are NOT received.
Which two actions should you perform to ensure that App1 receives notifications for DELETE operations? Each correct answer present part of the solution.
NOTE: Each correct selection is worth one point.
Answer: B,C
Explanation:
Implement "Soft Deletes"
You can use a soft-delete pattern to make deletions visible to the standard change feed.
The Process:
Update, don't delete: Instead of a hard delete, update the contact with a property like "isDeleted":
true.
Set TTL: Apply a small Time to Live (TTL) value (e.g., 60 seconds) to that specific item.
Capture Change: The change feed sees this as an update and notifies your app.
Final Deletion: Azure Cosmos DB will automatically hard-delete the item once the TTL expires.
Reference:
https://docs.azure.cn/en-us/cosmos-db/change-feed-design-patterns
NEW QUESTION # 25
You configure multi-region writes for account1.
You need to ensure that App1 supports the new configuration for account1. The solution must meet the business requirements and the product catalog requirements.
What should you do?
Answer: C
Explanation:
Explanation
App1 queries the con-product and con-productVendor containers.
Note: Request unit is a performance currency abstracting the system resources such as CPU, IOPS, and memory that are required to perform the database operations supported by Azure Cosmos DB.
Scenario:
Develop an app named App1 that will run from all locations and query the data in account1.
Once multi-region writes are configured, maximize the performance of App1 queries against the data in account1.
Whenever there are multiple solutions for a requirement, select the solution that provides the best performance, as long as there are no additional costs associated.
Reference:
https://docs.microsoft.com/en-us/azure/cosmos-db/consistency-levels
NEW QUESTION # 26
Hotspot Question
You plan to use two Azure Cosmos DB for NoSQL accounts. Both accounts will use Transparent Data Encryption (TDE).
You plan to store customer-managed keys in Azure Key Vault.
You need to configure security to meet the following requirements:
- Ensure that all operations on the control plane are audited.
- Ensure that both accounts use the same identity when authenticating
to Key Vault.
What should you do for each requirement? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
NEW QUESTION # 27
You have an Azure Cosmos DB Core (SQL) API account named account1 that has the disableKeyBasedMetadataWriteAccess property enabled.
You are developing an app named App1 that will be used by a user named DevUser1 to create containers in account1. DevUser1 has a non-privileged user account in the Azure Active Directory (Azure AD) tenant.
You need to ensure that DevUser1 can use App1 to create containers in account1.
What should you do? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
Reference:
https://docs.microsoft.com/en-us/azure/cosmos-db/secure-access-to-data
https://docs.microsoft.com/en-us/rest/api/resources/
NEW QUESTION # 28
You plan to deploy two Azure Cosmos DB Core (SQL) API accounts that will each contain a single database. The accounts will be configured as shown in the following table.
How should you provision the containers within each account to minimize costs? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
Reference:
https://docs.microsoft.com/en-us/azure/cosmos-db/serverless
https://docs.microsoft.com/en-us/azure/cosmos-db/provision-throughput-autoscale#use-cases-of-autoscale
NEW QUESTION # 29
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