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| Certification Vendor: | Microsoft |
|---|---|
| Exam Name: | Designing and Implementing Cloud-Native Applications Using |
| Exam Number: | DP-420 |
| Certificate Validity Period: | 1 year (renewable via Microsoft Learn assessment) |
| Exam Price: | $165 USD (may vary by region) |
| Real Exam Qty: | 40-60 (approx.) |
| Exam Format: | Short answer, Case studies, Drag and drop, Multiple response, Multiple choice |
| Passing Score: | 700 / 1000 |
| Related Certifications: | Microsoft Certified: Azure Solutions Architect Expert (AZ-305) Microsoft Certified: Azure Developer Associate (AZ-204) |
| Exam Duration: | 100-120 |
| Available Languages: | Korean, French, English, German, Japanese, Spanish, Chinese (Simplified) |
| Recommended Training: | Microsoft Learn DP-420 Learning Path Azure Cosmos DB Documentation |
| Exam Registration: | Microsoft Learn DP-420 Exam Page Pearson VUE Registration Portal |
| Sample Questions: | Microsoft DP-420 Sample Questions |
| Exam Way: | Online proctored (Pearson VUE) or in-person at authorized test centers |
| Pre Condition: | No mandatory prerequisites. Recommended: experience with Azure development and NoSQL databases, especially Cosmos DB. |
| Official Syllabus URL: | https://learn.microsoft.com/credentials/certifications/exams/dp-420/ |
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Microsoft DP-420 certification exam is designed for professionals who wish to validate their skills in designing and implementing cloud-native applications using Microsoft Azure Cosmos DB. Cosmos DB is a globally distributed, multi-model database service that allows developers to scale and replicate their data across multiple regions and platforms. By passing the DP-420 Exam, candidates can demonstrate their expertise in designing and implementing highly available, scalable, and secure cloud-native applications using Cosmos DB.
NEW QUESTION # 140
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: A
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 # 141
You have an Azure Cosmos DB Core (SQL) API account.
You configure the diagnostic settings to send all log information to a Log Analytics workspace.
You need to identify when the provisioned request units per second (RU/s) for resources within the account were modified.
You write the following query.
AzureDiagnostics
| where Category == "ControlPlaneRequests"
What should you include in the query?
Answer: A
Explanation:
Explanation
The following are the operation names in diagnostic logs for different operations:
RegionAddStart, RegionAddComplete
RegionRemoveStart, RegionRemoveComplete
AccountDeleteStart, AccountDeleteComplete
RegionFailoverStart, RegionFailoverComplete
AccountCreateStart, AccountCreateComplete
*AccountUpdateStart*, AccountUpdateComplete
VirtualNetworkDeleteStart, VirtualNetworkDeleteComplete
DiagnosticLogUpdateStart, DiagnosticLogUpdateComplete
Reference: https://docs.microsoft.com/en-us/azure/cosmos-db/audit-control-plane-logs
NEW QUESTION # 142
You plan to create a container named Container1 in an Azure Cosmos DB for NoSQL account Container! will store items that contain user sign-in session data from multiple organizations. Each user is assigned to a single organization.
Contained will include the following properties:
* Userld
* Sessionld
* SessionStart
* Organizationld
The following are common queries served by Container1.
SELECT SessionID,SessionStart,UserID FROM c WHERE Organizationld = 6 AND Userld = 50143 SELECT SessionID,SessionStart,UserID FROM c WHERE Organizationld - 6 You need to recommend a partitioning scheme for Container! that meets the following requirements:
You need to recommend a partitioning scheme for Container! that meets the following requirements:
* Maximizes performance
* Minimizes the cost of read queries
* Minimizes the possibility of reaching the partition size limits
Which type of partition key and which partition key properties should you include in the recommendation? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
Explanation:
NEW QUESTION # 143
You have an Azure Cosmos DB Core (SQL) API account that is configured for multi-region writes. The account contains a database that has two containers named container1 and container2.
The following is a sample of a document in container1:
{
" customerId " : 1234,
" firstName " : " John " ,
" lastName " : " Smith " ,
" policyYear " : 2021
}
The following is a sample of a document in container2:
{
" gpsId " : 1234,
" latitude " : 38.8951,
" longitude " : -77.0364
}
You need to configure conflict resolution to meet the following requirements:
For container1 you must resolve conflicts by using the highest value for policyYear.
For container2 you must resolve conflicts by accepting the distance closest to latitude: 40.730610 and longitude: -73.935242.
Administrative effort must be minimized to implement the solution.
What should you configure for each container? To answer, drag the appropriate configurations to the correct containers. Each configuration may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
Explanation:
Box 1: Last Write Wins (LWW) (default) mode
Last Write Wins (LWW): This resolution policy, by default, uses a system-defined timestamp property. It ' s based on the time-synchronization clock protocol.
Box 2: Merge Procedures (custom) mode
Custom: This resolution policy is designed for application-defined semantics for reconciliation of conflicts.
When you set this policy on your Azure Cosmos container, you also need to register a merge stored procedure. This procedure is automatically invoked when conflicts are detected under a database transaction on the server. The system provides exactly once guarantee for the execution of a merge procedure as part of the commitment protocol.
Reference:
https://docs.microsoft.com/en-us/azure/cosmos-db/conflict-resolution-policies
https://docs.microsoft.com/en-us/azure/cosmos-db/sql/how-to-manage-conflicts
NEW QUESTION # 144
Hotspot Question
You have an Azure Cosmos DB for NoSQL account that hosts a container named Container1.
You are developing an Azure Function named Function1.
You need to ensure that Function1 will be triggered when an item is created or updated in Container1.
How should you complete the function? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
NEW QUESTION # 145
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