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Microsoft DP-420 Exam Syllabus Topics:

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

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최신 Azure Cosmos DB Developer Specialty DP-420 무료샘플문제 (Q41-Q46):

질문 # 41
You have an Azure Cosmos DB for NoSQL account that uses the default consistency level. How can the consistency level be modified as part of a query request?

정답：D


질문 # 42
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.

정답：

설명：

Explanation:
Box 1 = Range
Azure Cosmos DB supports three types of indexes: range, spatial and composite. For the query you provided, which is an equality query on a single property, the best type of index to use is range. Range index is based on an ordered tree-like structure and it is used for equalityqueries, range queries and checking for the presence of a property1. Range index also supports any string or number2.
Box 2 = Composite
Azure Cosmos DB supports three types of indexes: range, spatial and composite. For the query you provided, which is an order by query on two properties, the best type of index to use is composite. Composite index is used for optimizing order by queries on multiple properties1. Composite index allows you to specify a list of property paths and sort orders thatare used for ordering items2.
Box 3 =spatial
Azure Cosmos DB supports three types of indexes: range, spatial and composite. For the query you provided, which is a spatial query on a point property, the best type of index to use is spatial. Spatial index is used for querying items based on their location or proximity to a given point1. Spatial index supports point, polygon and linestring data types2.


질문 # 43
Hotspot Question
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 in 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.

정답：

설명：


질문 # 44
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.

정답：

설명：


질문 # 45
You have an Azure Cosmos DB account named account1 that has a default consistency level of session.
You have an app named App1.
You need to ensure that the read operations of App1 can request either bounded staleness or consistent prefix consistency.
What should you modify for each consistency level? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.

정답：

설명：


질문 # 46
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