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| Certification Vendor: | Microsoft |
|---|---|
| Exam Name: | Designing and Implementing Cloud-Native Applications Using |
| Exam Number: | DP-420 |
| Real Exam Qty: | 40-60 (approx.) |
| Available Languages: | English, French, Spanish, German, Korean, Chinese (Simplified), Japanese |
| Exam Duration: | 100-120 |
| Related Certifications: | Microsoft Certified: Azure Developer Associate (AZ-204) Microsoft Certified: Azure Solutions Architect Expert (AZ-305) |
| Certificate Validity Period: | 1 year (renewable via Microsoft Learn assessment) |
| Exam Price: | $165 USD (may vary by region) |
| Passing Score: | 700 / 1000 |
| Exam Format: | Case studies, Multiple choice, Drag and drop, Short answer, Multiple response |
| Recommended Training: | Microsoft Learn DP-420 Learning Path Azure Cosmos DB Documentation |
| Exam Registration: | Pearson VUE Registration Portal Microsoft Learn DP-420 Exam Page |
| 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/ |
>> DP-420 Latest Exam Questions <<
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The DP-420 Certification Exam is an essential certification for professionals who want to expand their knowledge in cloud-native application development and gain expertise in Azure Cosmos DB. It is an excellent investment in your career and an opportunity to gain recognition for your skills and knowledge in the industry.
NEW QUESTION # 47
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 # 48
You have a container m an Azure Cosmos DB for NoSQL account.
Data update volumes are unpredictable.
You need to process the change teed of the container by using a web app that has multiple instances. The change feed will be processed by using the change feed processor from the Azure Cosmos DB SDK. The multiple instances must share the workload.
Which three actions should you perform? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.
Answer: C,D,E
NEW QUESTION # 49
You plan to use a multi-region Azure Cosmos DB for NoSQL account to store data for a new application suite. The suite contains the applications shown in the following table.
Each application should use the weakest consistency level possible.
Which consistency level should you configure for each application? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.
Answer:
Explanation:
Explanation:
NEW QUESTION # 50
Hotspot Question
You are designing an Azure Cosmos DB for NoSQL solution.
You plan to create a new container named Container1 that will store product data for automotive repair parts as shown in the following table.
The data will be stored in Container1 as shown in the following table.
You need to recommend a data partitioning solution for the database. The solution must spread the workload to minimize I/O contention.
Which column should you recommend for the physical partition key and the logical partition key?
To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
NEW QUESTION # 51
You are developing a web app named App1 that will store customer-generated content in an Azure Cosmos DB for NoSQL database named DB1.
You configure an Azure AI Search indexer to automatically ingest documents from DB1 into an Azure AI Search index.
App1 uses REST APIs to provide advanced search and retrieval capabilities for the documents.
You need to identify which types of queries you can use in Azure AI Search to retrieve text data.
The solution must minimize development effort.
Which two query types can you use? Each correct answer presents a complete solution.
NOTE: Each correct selection is worth one point.
Answer: C,E
Explanation:
[E]
To retrieve text data while keeping coding to a minimum in the described scenario, the correct query type is prefix.
Why Prefix Minimizes Coding
In Azure AI Search, the prefix query type allows you to perform "starts-with" matching using the Simple Query Parser.
Native Support: It is supported by the default simple query parser, meaning you do not need to change the queryType property in your REST API call.
Simple Syntax: You simply append a * to a partial term (e.g., search=cap*).
No Custom Configuration: Unlike edge n-gram tokenization, which requires you to manually define and configure custom analyzers and field mappings in your index schema, prefix search works out-of-the-box on standard searchable fields.
[C]
The other query type that can also be used to retrieve text data while keeping coding to a minimum is wildcard.
In Azure AI Search, wildcard queries (using * and ?) are supported in the Simple Query Syntax, which is the default query language. This allows you to perform basic pattern matching directly from user input without needing to set advanced parameters or implement complex custom analyzers.
Reference:
https://medium.com/@bryanhanner/building-search-into-your-application-84943cd359d4
https://docs.azure.cn/en-us/search/search-features-list
NEW QUESTION # 52
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