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The DP-420 certification exam is designed to test candidates on a range of topics, including Azure Cosmos DB data modeling, partitioning, indexing, and querying. It also covers concepts related to Azure Functions, Azure Event Hubs, Azure Stream Analytics, and Azure Cosmos DB Change Feed. DP-420 exam is intended for professionals who have experience working with Azure Cosmos DB and are knowledgeable about cloud computing concepts and principles.
To prepare for the DP-420 Exam, candidates should have a thorough understanding of Azure Cosmos DB's architecture, data modeling, and indexing capabilities. They should also be familiar with the various APIs and programming models that are available for working with Azure Cosmos DB. Microsoft offers several training resources, including online courses, practice exams, and study guides, to help candidates prepare for the DP-420 exam.
NEW QUESTION # 195
You have a container named container1 in an Azure Cosmos DB for NoSQL account named account1.
You configure container1 to use Always Encrypted by using an encryption policy as shown in the C# and the Java exhibits. (Click the C# tab to view the encryption policy in C#. Click the Java tab to see the encryption policy in Java.)
For each of the following statements, select Yes if the statement is true. Otherwise, select No.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
Explanation
According to the Azure Cosmos DB documentation1, Always Encrypted is a feature designed to protect sensitive data, such as credit card numbers or national identification numbers, stored in Azure Cosmos DB.
Always Encrypted allows clients to encrypt sensitive data inside client applications and never reveal the encryption keys to the database.
To use Always Encrypted, you need to define an encryption policy for each container that specifies which properties should be encrypted and which data encryption keys (DEK) should be used. The DEKs are stored in Azure Cosmos DB and are wrapped by customer-managed keys (CMK) that are stored in Azure Key Vault.
Based on the encryption policy shown in the exhibits, the creditcard property is encrypted with a DEK named dek1, and the SSN property is encrypted with a DEK named dek2. Both DEKs are wrapped by a CMK named cmk1.
To answer your statements:
You can perform a query that filters on the creditcard property = No. This is because the creditcard property is encrypted and cannot be used for filtering or sorting operations1.
You can perform a query that filters on the SSN property = No. This is also because the SSN property is encrypted and cannot be used for filtering or sorting operations1.
An application can be allowed to read the creditcard property while being restricted from reading the SSN property = Yes. This is possible by using different CMKs to wrap different DEKs and applying access policies on the CMKs in Azure Key Vault. For example, if you use cmk2 to wrap dek2 instead of cmk1, you can grant an application access to cmk1 but not cmk2, which means it can read the creditcard property but not the SSN property2.
NEW QUESTION # 196
App1 is an application that reads the data stored in the Azure Cosmos DB Core (SQL) API account. The application runs the same read queries every minute. Eventual is the default consistency level set for the account.
You identify that instead of using the cache, the request units are consumed by every query.
You verify that both the metrics IntegratedCacheiteItemHitRate and
IntegratedCacheQueryHitRate are having values of 0. You also verify the provisioning of the dedicated gateway cluster and its use in the connection string.
You need to ensure that the application App1 uses the Azure Cosmos DB integrated cache.
Which of the following do you need to configure?
Answer: D
Explanation:
As the integrated cache is specific to the Azure Cosmos DB account and needs significant memory and CPU, it needs a dedicated gateway node. Therefore, you need to configure the connectivity mode of the application CosmosClient. Connect to Azure Cosmos DB with the help of gateway mode.
Option A is incorrect. You need to configure the connectivity mode of App1 CosmosClient, not the consistency level of the requests.
Option B is incorrect. There is no need to configure the indexing policy.
Option C is incorrect. Eventual is the default consistency level set for the account. Therefore, configuring the default consistency level of the Azure Cosmos DB account is not the right answer.
Option D is correct. You need to configure the connectivity mode of the application CosmosClient.
Connect to Azure Cosmos DB using gateway mode.
Reference:
https://docs.microsoft.com/en-us/azure/cosmos-db/integrated-cache-faq
NEW QUESTION # 197
You have an Azure Cosmos DB for NoSQL account.
You plan 10 create a container named container1. The container1 container will store items that include two properties named nm and age The most commonly executed queries will query container1 for a specific name. The following is a sample of the query.
You need to define an opt-in Indexing policy for container1. The solution must meet the following requirements:
* Minimize the number of request units consumed by the queries.
* Ensure that the _etag property is excluded from indexing.
How should you define the indexing poky? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection Is worth one point.
Answer:
Explanation:
Explanation:
NEW QUESTION # 198
You have an Azure Cosmos DB Core (SQL) API account used by an application named App1.
You open the Insights pane for the account and see the following chart.
Use the drop-down menus to select the answer choice that answers each question based on the information presented in the graphic.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
NEW QUESTION # 199
You plan to create an Azure Cosmos DB database named db1 that will contain two containers. One of the containers will contain blog posts, and the other will contain users. Each item in the blog post container will include:
* A single blog post
* All the comments associated to the blog post
* The names of the users who created the blog post and added the comments.
You need to design a solution to update usernames m the user container without causing data integrity issues. The solution must minimize administrative and development effort. What should you include in the solution? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
NEW QUESTION # 200
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