Microsoft DP-420 Useful Dumps, DP-420 Test Practice

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Microsoft DP-420 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Design and implement data models	35-40%	- 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 - Design and implement non-relational data models 1. Reference between documents 2. Embed related entities in documents 3. Store multiple entity types in one container 4. Define primary and unique keys 5. Identify data and access patterns 6. Denormalize data across documents 7. Configure time-to-live (TTL) - Implement connectivity and data access 1. Use SDKs to connect and operate 2. Write efficient SQL queries
Topic 2: 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 3: Optimize an Azure Cosmos DB solution	15-20%	- 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 - Work with change feed 1. Process changes incrementally 2. Trigger downstream workflows
Topic 4: Maintain an Azure Cosmos DB solution	25-30%	- Implement backup and restore 1. Perform point-in-time restore 2. Configure periodic backup - DevOps and automation 1. Deploy via ARM, Bicep, CLI 2. Automate operations - 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 - Manage data movement 1. Migrate between APIs or regions 2. Import/export data
Topic 5: Integrate an Azure Cosmos DB solution	5-10%	- Enable analytical workloads 1. Use Synapse Link 2. Configure analytical store - Integrate with Azure services 1. Use with Azure Functions, Logic Apps, Event Hubs 2. Connect to Azure Stream Analytics

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Microsoft Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB Sample Questions (Q195-Q200):

NEW QUESTION # 195
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 # 196
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:

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 equality queries, range queries and checking for the presence of a property1. Range index also supports any string or number .
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 that are 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.

NEW QUESTION # 197
You have a database in an Azure Cosmos DB SQL API Core (SQL) account that is used for development.
The database is modified once per day in a batch process.
You need to ensure that you can restore the database if the last batch process fails. The solution must minimize costs.
How should you configure the backup settings? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.

Answer:

Explanation:

NEW QUESTION # 198
You have an Azure subscription.
You plan to create an Azure Cosmos DB for NoSQL database named DB1 that will store author and book data for authors that have each published up to ten books. Typical and frequent queries of the data will include:
* All books written by an individual author
* The synopsis of individual books
You need to recommend a data model for DB1. The solution must meet the following requirements:
* Support transactional updates of the author and book data.
* Minimize read operation costs.
What should you recommend?

A. Create a single container that stores author items and book items. Embed a list of each author's books in the
B. Create a single container that stores author items and book items, and then items that represent the relationship between the authors and their books.
C. Create two containers, one that stores author items and another that stores book items. Embed a list of each author's books in the corresponding author item.
D. Create three containers, one that stores author items, a second that stores book items, and a third that stores items that represent the relationship between the authors and their books.

Answer: A

NEW QUESTION # 199
You have an Azure Cosmos DB for NoSQL account that has multiple write regions.
You need to receive an alert when requests that target the database exceed the available request units per second (RU/s).
Which Azure Monitor signal should you use?

A. Document Count
B. Data Usage
C. Provisioned Throughput
D. Total Request Units

Answer: C

Explanation:
Use an alert which is triggered when the container or a database has exceeded the provisioned throughput limit.
Note: Provisioned throughput is the maximum amount of capacity that an application can consume from a table or index. If your application exceeds your provisioned throughput capacity on a table or index, it is subject to request throttling. Throttling prevents your application from consuming too many capacity units.
Reference:
https://docs.microsoft.com/en-us/azure/cosmos-db/monitor-cosmos-db

NEW QUESTION # 200
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