DP-420 Reliable Guide Files | Sample DP-420 Questions

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Microsoft DP-420 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Maintain an Azure Cosmos DB solution	25-30%	- Implement backup and restore 1. Configure periodic backup 2. Perform point-in-time restore - Implement security 1. Encrypt data at rest and in transit 2. Manage authentication and authorization - Manage data movement 1. Import/export data 2. Migrate between APIs or regions - 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
Topic 2: Design and implement data models	35-40%	- 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 - Design and implement non-relational data models 1. Identify data and access patterns 2. Denormalize data across documents 3. Store multiple entity types in one container 4. Embed related entities in documents 5. Define primary and unique keys 6. Configure time-to-live (TTL) 7. Reference between documents - Plan sizing and scaling 1. Select consistency levels 2. Provision throughput and storage
Topic 3: Design and implement data distribution	5-10%	- Manage data distribution and failover 1. Define failover priorities 2. Manage regional availability - Design replication strategy 1. Implement multi-region write 2. Configure multi-region replication
Topic 4: Integrate an Azure Cosmos DB solution	5-10%	- Enable analytical workloads 1. Configure analytical store 2. Use Synapse Link - Integrate with Azure services 1. Connect to Azure Stream Analytics 2. Use with Azure Functions, Logic Apps, Event Hubs
Topic 5: Optimize an Azure Cosmos DB solution	15-20%	- 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 - Define and implement indexing strategy 1. Exclude or include properties 2. Select index types and paths

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Microsoft Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB Sample Questions (Q148-Q153):

NEW QUESTION # 148
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.

Answer:

Explanation:

NEW QUESTION # 149
You maintain a relational database for a book publisher. The database contains the following tables.

The most common query lists the books for a given authorId.
You need to develop a non-relational data model for Azure Cosmos DB Core (SQL) API that will replace the relational database. The solution must minimize latency and read operation costs.
What should you include in the solution?

A. Create a container that contains a document for each Author and a document for each Book. In each Book document, embed authorId.
B. Create a container for Author and a container for Book. In each Author document and Book document embed the data from Bookauthorlnk.
C. Create a container for Author and a container for Book. In each Author document, embed bookId for each book by the author. In each Book document embed authorId of each author.
D. Create Author, Book, and Bookauthorlnk documents in the same container.

Answer: C

Explanation:
Explanation
Store multiple entity types in the same container.

NEW QUESTION # 150
You have an application that queries an Azure Cosmos 06 for NoSQL account.
You discover that the following two queries run frequently,

You need to minimize the request units (RUs) consumed by reads and writes. What should you create?

A. a composite index for (name ASC, time stamp DESC)
B. a composite index for (name ASC, time stamp ASC)
C. a composite index for (name ASC time stamp ASC) and a composite index for (name, time stamp disc)
D. a composite index for (name DESC, time stamp ASC)

Answer: B

NEW QUESTION # 151
You have an Azure Cosmos DB for NoSQL container.
All queries to the container use the Bounded Stateness consistency level.
You discover that when many queries are executed against the container, an HTTP 429 error is returned.
What are two ways to reduce the number of HTTP 429 errors? Each correct answer presents a complete solution.
NOTE Each correct selection is worth one point.

A. Add a post-trigger to the container.
B. Add query retry logic to the client application.
C. Use a query request option to change the consistency level to Strong
D. Add a pre-trigger to the container.
E. Increase the maximum throughput.

Answer: B,E

NEW QUESTION # 152
You have the Azure Cosmos DB for NoSQL containers shown in the following table.

You have the items shown in the following table.

When will each item expire? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.

Answer:

Explanation:

Explanation

NEW QUESTION # 153
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