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The second form is Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB (DP-420) web-based practice test which can be accessed through online browsing. The DP-420 web-based practice test is supported by browsers like Firefox, Microsoft Edge, Microsoft Chrome, and Safari. You don't need to install any plugins or software to attempt the DP-420 web-based practice test. This online Microsoft DP-420 exam is also compatible with all operating systems.

Microsoft DP-420 Exam Syllabus Topics:

SectionObjectives
Topic 1: Integrate Azure Cosmos DB with Azure services- Data pipelines and analytics
  • 1. Data movement patterns
    • 2. Synapse integration
      - Event-driven architectures
      • 1. Change Feed processing
        • 2. Integration with Azure Functions
          Topic 2: Design and implement data models for Azure Cosmos DB- Model data for NoSQL workloads
          • 1. Partitioning strategies
            • 2. Data modeling patterns (embed vs reference)
              - Design indexing strategies
              • 1. Query optimization considerations
                • 2. Indexing policies
                  Topic 3: Optimize and maintain Cosmos DB solutions- Monitoring and troubleshooting
                  • 1. Diagnostics and logging
                    • 2. Alerts and metrics
                      - Performance optimization
                      • 1. Query performance tuning
                        • 2. RU consumption optimization
                          Topic 4: Design and implement data distribution- Partitioning and scaling
                          • 1. Logical and physical partitions
                            • 2. Throughput (RU/s) planning
                              - Replication and consistency
                              • 1. Consistency levels
                                • 2. Multi-region replication

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                                  Microsoft Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB Sample Questions (Q204-Q209):

                                  NEW QUESTION # 204
                                  You have an Azure Cosmos DB Core (SQL) account that has a single write region in West Europe.
                                  database named db

                                  For each of the following statements, select Yes if the statement is true. Otherwise, select No.
                                  NOTE: Each correct selection is worth one point.

                                  Answer:

                                  Explanation:

                                  Explanation:

                                  Box 1: Yes
                                  The Automatic failover option allows Azure Cosmos DB to failover to the region with the highest failover priority with no user action should a region become unavailable.
                                  Box 2: No
                                  West Europe is used for failover. Only North Europe is writable.
                                  To Configure multi-region set UseMultipleWriteLocations to true.
                                  Box 3: Yes
                                  Provisioned throughput with single write region costs $0.008/hour per 100 RU/s and provisioned throughput with multiple writable regions costs $0.016/per hour per 100 RU/s.
                                  Reference:
                                  https://docs.microsoft.com/en-us/azure/cosmos-db/sql/how-to-multi-master
                                  https://docs.microsoft.com/en-us/azure/cosmos-db/optimize-cost-regions


                                  NEW QUESTION # 205
                                  You work in the Intel company that has its clients across 4 different countries, with hundreds of thousands of clients for countries 1 and 2, and a few thousand clients for countries 3 and 4.
                                  Requests for every country total approximately 50,000 RU/s every hour of the day. The application team of the company suggests using countryId as the partition key for this container.
                                  Which of the following statements is true?

                                  Answer: A


                                  NEW QUESTION # 206
                                  You have a container named contained in an Azure Cosmos DB for NoSQL account.
                                  The following is a sample of a document in container1.

                                  For each of the following statements, select Yes if the statement is true. Otherwise, select No.
                                  NOTE: Each correct selection is worth one point.

                                  Answer:

                                  Explanation:

                                  Explanation:


                                  NEW QUESTION # 207
                                  You have an Azure Cosmos DB for NoSQL account.
                                  The change feed is enabled on a container named invoice.
                                  You create an Azure function that has a trigger on the change feed.
                                  What is received by the Azure function?

                                  Answer: B

                                  Explanation:
                                  Explanation
                                  According to the Azure Cosmos DB documentation12, the change feed is a persistent record of changes to a container in the order they occur. The change feed outputs the sorted list of documents that were changed in the order in which they were modified.
                                  The Azure function that has a trigger on the change feed receives all the properties of the updated items2. The change feed does not include the original items or only the changed properties. The change feed also includes some system-defined properties such as _ts (the last modified timestamp) and _lsn (the logical sequence number)3.
                                  Therefore, the correct answer is:
                                  A: all the properties of the updated items


                                  NEW QUESTION # 208
                                  You are creating a database in an Azure Cosmos DB Core (SQL) API account. The database will be used by an application that will provide users with the ability to share online posts. Users will also be able to submit comments on other users' posts.
                                  You need to store the data shown in the following table.

                                  The application has the following characteristics:
                                  Users can submit an unlimited number of posts.
                                  The average number of posts submitted by a user will be more than 1,000.
                                  Posts can have an unlimited number of comments from different users.
                                  The average number of comments per post will be 100, but many posts will exceed 1,000 comments.
                                  Users will be limited to having a maximum of 20 interests.
                                  For each of the following statements, select Yes if the statement is true. Otherwise, select No.
                                  NOTE: Each correct selection is worth one point.

                                  Answer:

                                  Explanation:


                                  NEW QUESTION # 209
                                  ......

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