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Microsoft DP-420 exam is a certification exam that measures the knowledge and skills of individuals in designing and implementing cloud-native applications using Microsoft Azure Cosmos DB. It is designed for developers, architects, and IT professionals who want to validate their expertise in working with the cloud-native applications on Microsoft Azure. DP-420 Exam focuses on the key concepts, features, and services of Azure Cosmos DB and how they can be used to develop scalable, highly available, and globally distributed cloud-native applications.
For quick and complete Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB (DP-420) exam preparation you can trust TestBraindump Microsoft DP-420 Exam Questions. With the Microsoft DP-420 practice test questions you can ace your Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB (DP-420) exam preparation and be ready to perform well in the final Microsoft DP-420 certification exam.
NEW QUESTION # 51
You have an Azure Cosmos DB for NoSQL account named account that has the disablekeyBasedletadatwriteAccess property enabled.
You are developing an app named App1 that will be used by a use1 named DevUser1 to create containers in account1. DevUser1 has a non-privileged user account in the Azure AD tenant.
You need to ensure that DevUser1 can use App1 to create containers in account1.
What should you do? To answer, select the appropriate options in the answer area.
NOTE Each correct selection is worth one point.
Answer:
Explanation:
Explanation
NEW QUESTION # 52
You have an Azure Cosmos DB for NoSQL account.
You plan 10 create a container named container1. The container1 container will store items that include two properties named nm and age The most commonly executed queries will query container1 for a specific name. The following is a sample of the query.
You need to define an opt-in Indexing policy for container1. The solution must meet the following requirements:
* Minimize the number of request units consumed by the queries.
* Ensure that the _etag property is excluded from indexing.
How should you define the indexing poky? To answer, select the appropriate options in the answer are a. NOTE: Each correct selection Is worth one point.
Answer:
Explanation:
NEW QUESTION # 53
Hotspot Question
You have an Azure Cosmos DB for NoSQL container named Container1 that has a default indexing policy. Container1 has two properties named age and name. The _etag property is NOT indexed.
You run the following query.
SELECT c.name, c.age FROM c WHERE c.name = "Tim" ORDER BY c.age ASC
You need to add an index to Container1 and optimize the query syntax. The solution must minimize the number of RU/s utilized by the query and maximize query performance.
Which index should you add, and which query should you use? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
NEW QUESTION # 54
Hotspot Question
You have an Azure Cosmos DB for NoSQL database named DB1 that hosts a container named Container1. The partition key for Container1 is /city.
You are developing a cloud-native app named App1 that will store customer information in DB1.
App1 will perform transactional batch operations to update the items in Container1.
You need to configure App1 to meet the following requirements:
- Ensure that batch operations are rolled back if an item's ETag value
has changed since the value was last read.
- Ensure that all operations in the batch apply to a single partition
key value.
How should you complete the C# code? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
NEW QUESTION # 55
You have a database named db1 in an Azure Cosmos DB for NoSQL
You are designing an application that will use dbl.
In db1, you are creating a new container named coll1 that will store in coll1.
The following is a sample of a document that will be stored in coll1.
The application will have the following characteristics:
* New orders will be created frequently by different customers.
* Customers will often view their past order history.
You need to select the partition key value for coll1 to support the application. The solution must minimize costs.
To what should you set the partition key?
Answer: A
Explanation:
Based on the characteristics of the application and the provided document structure, the most suitable partition key value for coll1 in the given scenario would be the customerId, Option B.
The application frequently creates new orders by different customers and customers often view their past order history. Using customerId as the partition key would ensure that all orders associated with a particular customer are stored in the same partition. This enables efficient querying of past order history for a specific customer and reduces cross-partition queries, resulting in lower costs and improved performance.
a partition key is a JSON property (or path) within your documents that is used by Azure Cosmos DB to distribute data among multiple partitions3. A partition key should have a high cardinality, which means it should have many distinct values, such as hundreds or thousands1. A partition key should also align with the most common query patterns of your application, so that you can efficiently retrieve data by using the partition key value1.
Based on these criteria, one possible partition key that you could use for coll1 is B. customerId.
This partition key has the following advantages:
It has a high cardinality, as each customer will have a unique ID3.
It aligns with the query patterns of the application, as customers will often view their past order history3.
It minimizes costs, as it reduces the number of cross-partition queries and optimizes the storage and throughput utilization1.
This partition key also has some limitations, such as:
It may not be optimal for scenarios where orders need to be queried independently from customers or aggregated by date or other criteria3.
It may result in hot partitions or throttling if some customers create orders more frequently than others or have more data than others1.
It may not support transactions across multiple customers, as transactions are scoped to a single logical partition2.
Depending on your specific use case and requirements, you may need to adjust this partition key or choose a different one. For example, you could use a synthetic partition key that concatenates multiple properties of an item2, or you could use a partition key with a random or pre-calculated suffix to distribute the workload more evenly2.
NEW QUESTION # 56
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