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Microsoft DP-420 Exam Syllabus Topics:

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

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Microsoft Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB Sample Questions (Q119-Q124):

NEW QUESTION # 119
You have an Azure Cosmos DB for NoSQL account that frequently receives the same three queries.
You need to configure indexing to minimize RUs consumed by the queries.
Which type of index should you use for each query? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.

Answer:

Explanation:


NEW QUESTION # 120
You have a database in an Azure Cosmos DB Core (SQL) API account.
You plan to create a container that will store employee data for 5,000 small businesses. Each business will have up to 25 employees. Each employee item will have an emailAddress value.
You need to ensure that the emailAddress value for each employee within the same company is unique.
To what should you set the partition key and the unique key? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.

Answer:

Explanation:


NEW QUESTION # 121
You are developing an application that will use an Azure Cosmos DB Core (SQL) API account as a data source.
You need to create a report that displays the top five most ordered fruits as shown in the following table.

A collection that contains aggregated data already exists. The following is a sample document:
{
"name": "apple",
"type": ["fruit", "exotic"],
"orders": 10000
}
Which two queries can you use to retrieve data for the report? Each correct answer presents a complete solution.
NOTE: Each correct selection is worth one point.

Answer: B,D

Explanation:
Explanation
ARRAY_CONTAINS returns a Boolean indicating whether the array contains the specified value. You can check for a partial or full match of an object by using a boolean expression within the command.
Reference: https://docs.microsoft.com/en-us/azure/cosmos-db/sql/sql-query-array-contains


NEW QUESTION # 122
Drag and Drop Question
You have an Azure Cosmos DB container named owners. Each item in owners represents an owner and their pets.
The following is a sample of the JSON

You are writing a query that will retrieve the average age of each pet owned by each owner, if the pet is older than two years.
How should you complete the query? To answer, drag the appropriate values to the correct targets. Each value may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.
NOTE: Each correct selection is worth one point.

Answer:

Explanation:


NEW QUESTION # 123
You have an app that stores data in an Azure Cosmos DB Core (SQL) API account The app performs queries that return large result sets.
You need to return a complete result set to the app by using pagination. Each page of results must return 80 items.
Which three actions should you perform in sequence? To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.

Answer:

Explanation:

1 - Configure the MaxItemCount in QueryRequestOptions
2 - Run the query and provide a continuation token
3 - Append the results to a variable


NEW QUESTION # 124
......

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