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

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Question # 9

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

You need to use the Azure Cosmos DB SDK to replace a document by using optimistic concurrency.

What should you include in the code? To answer, select the appropriate options in the answer area.

NOTE: Each correct selection is worth one point.

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Question # 10

You have a database in an Azure Cosmos DB for NoSQL account that is configured for multi-region writes.

You need to use the Azure Cosmos DB SDK to implement the conflict resolution policy for a container. The solution must ensure that any conflict sent to the conflict feed.

Solution: You set ConfilictResolutionMode to Custom. You Set ResolutionProcedures to a custom stored procedure. You configure the custom stored procedure to use the conflictingItems parameter to resolve conflict.

Does this meet the goal?

A.

Yes

B.

No

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Question # 11

You have an Apache Spark pool in Azure Synapse Analytics that runs the following Python code in a notebook.

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

NOTE: Each correct selection is worth one point.

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Question # 12

You need to configure an Apache Kafka instance to ingest data from an Azure Cosmos DB Core (SQL) API account. The data from a container named telemetry must be added to a Kafka topic named iot. The solution must store the data in a compact binary format.

Which three configuration items should you include in the solution? Each correct answer presents part of the solution.

NOTE: Each correct selection is worth one point.

A.

"connector.class": "com.azure.cosmos.kafka.connect.source.CosmosDBSourceConnector"

B.

"key.converter": "org.apache.kafka.connect.json.JsonConverter"

C.

"key.converter": "io.confluent.connect.avro.AvroConverter"

D.

"connect.cosmos.containers.topicmap": "iot#telemetry"

E.

"connect.cosmos.containers.topicmap": "iot"

F.

"connector.class": "com.azure.cosmos.kafka.connect.source.CosmosDBSinkConnector"

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Question # 13

You have an Azure Cosmos DB for NoSQL database named db1.

You run the following code:

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

NOTE: Each correct selection is worth one point.

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Question # 14

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?

A.

| where OperationName startswith "AccountUpdateStart"

B.

| where OperationName startswith "SqlContainersDelete"

C.

| where OperationName startswith "MongoCollectionsThroughputUpdate"

D.

| where OperationName startswith "SqlContainersThroughputUpdate"

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Question # 15

You have a database in an Azure Cosmos DB Core (SQL) API 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?

A.

cmd = "SELECT * FROM Persons p

WHERE p.accountnumber = 'accountnumber'"

B.

cmd = "SELECT * FROM Persons p

WHERE p.accountnumber = LIKE @accountnumber"

C.

cmd = "SELECT * FROM Persons p

WHERE p.accountnumber = @accountnumber"

D.

cmd = "SELECT * FROM Persons p

WHERE p.accountnumber = '" + accountnumber + "'"

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Question # 16

You have an Azure subscription that contains the resources shown in the following table.

You need to query Container1 from the serverless SQL pool of workspace1.

How should you complete the query? To answer, select the appropriate options in the answer area.

NOTE: Each correct selection is worth one point.

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