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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 Solutions Architect Expert Microsoft Certified: Azure Developer Associate |
| Certificate Validity Period: | 12 months |
| Available Languages: | Japanese, Chinese (Simplified), English |
| Exam Duration: | 120 minutes |
| Exam Price: | $165 USD |
| Exam Format: | Case studies, Drag-and-drop, Multiple-response, Practical lab scenarios, Multiple-choice |
| Passing Score: | 700 |
| Real Exam Qty: | 40-60 |
| 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 is a highly respected certification exam for professionals who want to validate their expertise in designing and implementing cloud-native applications using Microsoft Azure Cosmos DB. It is a challenging exam that requires a thorough understanding of the key concepts, features, and services of Azure Cosmos DB. Passing the exam demonstrates a candidate's ability to design and implement scalable, highly available, and globally distributed cloud-native applications on Azure Cosmos DB.
NEW QUESTION # 26
You have an Azure Cosmos DB account named account1.
You have several apps that connect to account1 by using the account's secondary key.
You then configure the apps to authenticate by using service principals.
You need to ensure that account1 will only allow apps to connect by using an Azure AD identity.
Which account property should you modify?
Answer: A
Explanation:
Explanation
The disableLocalAuth property is a boolean flag that indicates whether local authentication methods such as primary/secondary keys are disabled for the Azure Cosmos DB account. Setting this property to true improves security by ensuring that Azure Cosmos DB accounts exclusively require Azure Active Directory identities for authentication1.
NEW QUESTION # 27
You have an Azure subscription that contains an Azure Cosmos DB for NoSQL account.
You need to write a SQL query that will return multiple items. The solution must meet the following requirements:
- For each item returned, include the current Coordinated Universal
Time (UTC) date and time, formatted as an ISO 8601 string.
- Minimize development effort.
What should you use?
Answer: B
Explanation:
GetCurrentTimestamp() is a built-in system function in Azure Cosmos DB's SQL API, which returns the current Coordinated Universal Time (UTC) in ISO 8601 format as a string. It can be used directly in a SQL query without any additional effort. This approach minimizes development effort because it doesn't require custom logic or user-defined functions.
NEW QUESTION # 28
You have a database in an Azure Cosmos DB for NoSQL account.
You need to create an Azure function that will access the database to retrieve records based on a variable named accountnumber. The solution must protect against SQL injection attacks.
How should you define the command statement in the function?
Answer: D
Explanation:
Azure Cosmos DB supports queries with parameters expressed by the familiar @ notation.
Parameterized SQL provides robust handling and escaping of user input, and prevents accidental exposure of data through SQL injection.
For example, you can write a query that takes lastName and address.state as parameters, and execute it for various values of lastName and address.state based on user input.
SELECT *
FROM Families f
WHERE f.lastName = @lastName AND f.address.state = @addressState
Reference: https://docs.microsoft.com/en-us/azure/cosmos-db/sql/sql-query-parameterized- queries
NEW QUESTION # 29
You have an Azure Cosmos DB for NoSQL account.
The change feed is enabled on a container named invoice.
You create an Azure function that has a trigger on the change feed.
What is received by the Azure function?
Answer: B
Explanation:
All properties are sent to the change feed. This is testable by creating an Azure Function with CosmosDB input trigger.
NEW QUESTION # 30
You plan to implement con-iot1 and con-iot2.
You need to configure the default Time to Live setting for each container. The solution must meet the loT telemetry requirements.
What should you configure? To answer, select the appropriate options in the answer NOTE: Each correct selection is worth one point.
Answer:
Explanation:
Explanation:
Box 1 =On (no default)
For con-iot1, you need to configure the default TTL setting to On (no default), which means that items in this container do not expire by default, but you can override the TTL value on a per-item basis. This meets the requirement of retaining all telemetry data unless overridden1.
Box 2 = On (3600 seconds)
For con-iot2, you need to configure the default TTL setting to On (3600 seconds), which means that items in this container will expire 3600 seconds (one hour) after their last modified time. This meets the requirement of deleting all telemetry data older than one hour1.
NEW QUESTION # 31
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