DP-420 Fragen Antworten - DP-420 Exam

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Microsoft DP-420 Exam Syllabus Topics:

SectionWeightObjectives
Integrate an Azure Cosmos DB solution5-10%- Integrate with Azure services
  • 1. Connect to Azure Stream Analytics
  • 2. Use with Azure Functions, Logic Apps, Event Hubs
- Enable analytical workloads
  • 1. Configure analytical store
  • 2. Use Synapse Link
Design and implement data models35-40%- Design partitioning strategy
  • 1. Choose partition key based on workload
  • 2. Plan for distribution and throughput
- Design and implement non-relational data models
  • 1. Reference between documents
  • 2. Store multiple entity types in one container
  • 3. Denormalize data across documents
  • 4. Embed related entities in documents
  • 5. Identify data and access patterns
  • 6. Define primary and unique keys
  • 7. Configure time-to-live (TTL)
- Plan sizing and scaling
  • 1. Select consistency levels
  • 2. Provision throughput and storage
- Implement connectivity and data access
  • 1. Write efficient SQL queries
  • 2. Use SDKs to connect and operate
Design and implement data distribution5-10%- Design replication strategy
  • 1. Configure multi-region replication
  • 2. Implement multi-region write
- Manage data distribution and failover
  • 1. Manage regional availability
  • 2. Define failover priorities
Maintain an Azure Cosmos DB solution25-30%- Implement backup and restore
  • 1. Perform point-in-time restore
  • 2. Configure periodic backup
- Implement security
  • 1. Manage authentication and authorization
  • 2. Encrypt data at rest and in transit
- DevOps and automation
  • 1. Deploy via ARM, Bicep, CLI
  • 2. Automate operations
- Monitor and troubleshoot
  • 1. Analyze metrics and logs
  • 2. Use Azure Monitor and Application Insights
- Manage data movement
  • 1. Import/export data
  • 2. Migrate between APIs or regions
Optimize an Azure Cosmos DB solution15-20%- Define and implement indexing strategy
  • 1. Exclude or include properties
  • 2. Select index types and paths
- Optimize query performance
  • 1. Tune query structure and syntax
  • 2. Optimize throughput allocation
- Work with change feed
  • 1. Trigger downstream workflows
  • 2. Process changes incrementally

>> DP-420 Fragen Antworten <<

DP-420 Exam - DP-420 Prüfungsfragen

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Microsoft Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB DP-420 Prüfungsfragen mit Lösungen (Q185-Q190):

185. Frage
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.

Antwort:

Begründung:

Explanation:
New and updated orders will be added to contoso-erp.orders: Yes
The code performs bulk data ingestion from contoso-app: No
Both contoso-app and contoso-erp have Analytics store enabled: Yes
The code uses the spark.readStream method to read data from a container named orders in a database named contoso-app. The data is then filtered by a condition and written to another container named orders in a database named contoso-erp using the spark.writeStream method. The write mode is set to"append", which means that new and updated orders will be added to the destination container1.
The code does not perform bulk data ingestion from contoso-app, but rather stream processing. Bulk data ingestion is a process of loading large amounts of data into a data store in batches. Stream processing is a process of continuously processing data as it arrives in real-time2.
Both contoso-app and contoso-erp have Analytics store enabled, because they are both accessed by Spark pools using the spark.cosmos.oltp method. This method requires that the containers have Analytics store enabled, which is a feature that allows Spark pools to query data stored in Azure Cosmos DB containers using SQL APIs3.


186. Frage
You have a container named container1 in an Azure Cosmos DB for NoSQL account. Upserts of items in container1 occur every three seconds.
You have an Azure Functions app named function1 that is supposed to run whenever items are inserted or replaced in container1.
You discover that function1 runs, but not on every upsert.
You need to ensure that function1 processes each upsert within one second of the upsert.
Which property should you change in the Function.json file of function1?

Antwort: D

Begründung:
With an upsert operation we can either insert or update an existing record at the same time.
FeedPollDelay: The time (in milliseconds) for the delay between polling a partition for new changes on the feed, after all current changes are drained. Default is 5,000 milliseconds, or 5 seconds.
Incorrect Answers:
A: checkpointInterval: When set, it defines, in milliseconds, the interval between lease checkpoints.
Default is always after each Function call.
C: maxItemsPerInvocation: When set, this property sets the maximum number of items received per Function call. If operations in the monitored collection are performed through stored procedures, transaction scope is preserved when reading items from the change feed. As a result, the number of items received could be higher than the specified value so that the items changed by the same transaction are returned as part of one atomic batch.
Reference: https://docs.microsoft.com/en-us/azure/azure-functions/functions-bindings-cosmosdb- v2-trigger


187. Frage
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.

Antwort:

Begründung:

Explanation:


188. Frage
Hotspot Question
You have an Azure Cosmos DB for NoSQL account that hosts a container named Container1.
Container1 stores items in the following format.

You need to modify the contents of Container1 to conform to the following format.

How should you complete the JSON Patch document? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.

Antwort:

Begründung:


189. Frage
You have a database named db1 in an Azure Cosmos DB for NoSQL account named account1. The db1 database has a manual throughput of 4,000 request units per second (RU/s).
You need to move db1 from manual throughput to autoscale throughput by using the Azure CLI. The solution must provide a minimum of 4,000 RU/s and a maximum of 40,000 RU/s.
How should you complete the CLI statements? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.

Antwort:

Begründung:


190. Frage
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