Microsoft DP-420 - Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB

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Total 144 questions

You have a database in an Azure Cosmos DB for NoSQL account. The database contains a container named container1. The indexing mode container1 is set to none. You configure Azure Cognitive Search to extract data from container1 and make the data searchable. You discover that the Cognitive Search index is missing all the data from the Azure Cosmos DB index. What should you do to resolve the issue?

Modify The index attributes in Cognitive Search to searchable.

Modify the index attributes in Cognitive Search to Retrievable.

Change the indexing mode of container 1 to consistent-

Modify the indexing policy of container 1 to exclude the / * path

Question # 12

You have a container named container1 in an Azure Cosmos DB Core (SQL) API account.

You need to provide a user named User1 with the ability to insert items into container1 by using role-based access control (RBAC). The solution must use the principle of least privilege.

Which roles should you assign to User1?

CosmosDB Operator only

DocumentDB Account Contributor and Cosmos DB Built-in Data Contributor

DocumentDB Account Contributor only

Cosmos DB Built-in Data Contributor only

Question # 13

You have an app named App1 that uses an Azure Cosmos DB for NoSQL database.

App1 uses the spatial columns shown in the following table.

You need to design an indexing strategy for App1.

Which columns can be indexed by using spatial indexes?

Col1 only

Col1 and Col2 only

Col1, Col2, and Col3 only

Col1, Col2, and CoI4 only

Question # 14

You plan to create an operational system that will store data in an Azure Cosmos OB 'or NoSQL account. You need to configure the account to meet the following requirements:

â€¢Support Spark queries.

â€¢Support the analysis of data from the last six months.

â€¢Only pay for analytical compute when running queries.

Which three actions should you perform? Each correct answer presents part of the solution. NOTE Each correct selection is worth one point.

Create an Azure Synapse linked service.

Create a container and set the time to live to six months.

Create a container and set the analytical property to six months.

Create an Azure Synapse pipeline.

Create an Azure Databanks notebook.

Enable Azure Synapse Link for the account

Question # 15

You have an Azure Cosmos DB for NoSQL account named account1 that has a single read-write region and one additional read region. Account1 uses the strong default consistency level.

You have an application that uses the eventual consistency level when submitting requests to account1.

How will writes from the application be handled?

Writes will use the strong consistency level.

Azure Cosmos DB will reject writes from the application.

The write order is not guaranteed during replication.

Writes will use the eventual consistency level.

Question # 16

You have a container in an Azure Cosmos DB for NoSQL account that stores data about orders. The following is a sample of an order document.

Documents are up to 2 KB.

You plan to receive one million orders daily.

Customers will frequently view then past order history.

You are the evaluating whether to use orderDate as the partition key.

What are two effects of using orderDateas the partition key? Each correct answer presents a complete solution.

NOTE: Each correct selection is worth one point.

You will exceed the maximum number of partition key values.

Queries will run cross-partition.

You will exceed the maximum storage per partition.

There will always be a hot partition.

Question # 17

You have an Azure Cosmos DB for NoSQL account. The account hosts a container that has the change feed enabled. You are building an app by using the Azure Cosmos DB SDK. The app will read items from the change feed by using a pull model. You need to ensure that multiple threads can read the change feed in parallel. What should you include?

the changeFeedStartFew value

the Pagesize value

the FeedRange value

a stream-based iterator

Question # 18

You have an Azure subscription that contains a resource group named RG1. RG1 contains an Azure Cosmos DB for NoSQL account named account1.

You plan to audit changes to the control plane of account1.

You need to ensure that audit events include the details of the security principal that performs each control plane change.

How should you complete the az command? To answer select the appropriate options in the answer area.

NOTE: Each correct selection is worth one point.

Question # 19

You are developing an application that will connect to an Azure Cosmos DB for NoSQL account. The account has a single readme region and one agonal read region. The regions are configured for automatic failover.

The account has the following connect strings. (Line numbers are included for reference only.)

For each of the following statements, select Yes if the statement is true. otherwise, select No.

NOTE: Each correct selection is worth one point.

Explanation:

If the primary write region fails, applications that write to the database must use a different connection string to continue to use the service. = NO

You do not need to use a different connection string to continue to use the service if the primary write region fails.Â This is because Azure Cosmos DB supports automatic failover, which means that it will automatically switch the primary write region to another region in case of a regional outage2.Â The application does not need to change the connection string or specify the failover priority3.Â The connection string contains a list of all the regions associated with your account, and Azure Cosmos DB will route the requests to the appropriate region based on the availability and latency1.

The primary Read-Only SQL Connection String and the Secondary Read-Only SQL Connection String will connect to different regions from an application running in the East US Azure region = Yes

The primary read-only SQL connection string and the secondary read-only SQL connection string will connect to different regions from an application running in the East US Azure region. This is because the primary read-only SQL connection string contains the endpoint for the East US region, which is the same as the primary write region. The secondary read-only SQL connection string contains the endpoint for the West US region, which is the additional read region. Therefore, if an application running in the East US Azure region uses these connection strings, it will connect to different regions depending on which one it chooses.

Applications can choose from which region by setting the PreferredLocations property within their connection properties = Yes

Applications can choose from which region by setting the PreferredLocations property within their connection properties.Â This property allows you to specify a list of regions that you prefer to read from based on their proximity to your application2.Â Azure Cosmos DB will route the requests to the appropriate region based on the availability and latency1.Â You can also set the ApplicationRegionproperty to the region where your application is deployed, and Azure Cosmos DB will automatically populate the PreferredLocations property based on the geo-proximity from that location1.

Question # 20

Your company develops an application named App1 that uses the Azure Cosmos DB SDK and the Eventual consistency level.

App1 queries an Azure Cosmos DB for NoSQL account named account!

You need to identify which consistency level to assign to App1 to meet the following requirements:

â€¢ Maximize the throughput of the queries generated by App1 without increasing the number of request units currently used by the queries.

â€¢ Provide the highest consistency guarantees.

Which consistency level should you identify?

Strong

Bounded Staleness

Session

Consistent Prefix

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Microsoft DP-420 - Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB

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