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By passing the Microsoft DP-420 Exam, professionals can demonstrate their expertise in designing and implementing cloud-native applications using Cosmos DB. Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB certification can open up new career opportunities and increase earning potential. It can also help organizations to identify professionals with the skills and knowledge needed to design and implement successful Cosmos DB solutions.

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The DP-420 certification exam is a great way for professionals to enhance their skills and credentials in cloud-native application development. It is also an excellent opportunity to learn from Microsoft's experts and gain insights into the latest best practices and techniques in Azure Cosmos DB. By passing the certification exam, professionals can demonstrate their expertise in Azure Cosmos DB and gain recognition for their skills and knowledge in cloud-native application development.

Microsoft DP-420 Exam, also known as Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB, is an advanced-level certification exam that tests your knowledge of designing and implementing cloud-native applications using Azure Cosmos DB. DP-420 exam is intended for professionals who want to validate their expertise in developing cloud-based applications using Azure Cosmos DB.

Microsoft Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB Sample Questions (Q49-Q54):

NEW QUESTION # 49
You plan to implement con-iot1 and con-iot2.
You need to configure the default Time to Live setting for each container. The solution must meet the loT telemetry requirements.
What should you configure? To answer, select the appropriate options in the answer NOTE: Each correct selection is worth one point.

Answer:

Explanation:

NEW QUESTION # 50
You have an Azure Cosmos DB Core (SQL) API account that uses a custom conflict resolution policy. The account has a registered merge procedure that throws a runtime exception.
The runtime exception prevents conflicts from being resolved.
You need to use an Azure function to resolve the conflicts.
What should you use?

A. a function that receives items pushed from the change feed and is triggered by an Azure Cosmos DB trigger
B. a function that pulls items from the change feed and is triggered by a timer trigger
C. a function that receives items pushed from the conflicts feed and is triggered by an Azure Cosmos DB trigger
D. a function that pulls items from the conflicts feed and is triggered by a timer trigger

Answer: C

Explanation:
The Azure Cosmos DB Trigger uses the Azure Cosmos DB Change Feed to listen for inserts and updates across partitions. The change feed publishes inserts and updates, not deletions.

NEW QUESTION # 51
You have an Azure subscription that contains an Azure Cosmos DB for NoSQL account named account1.
Backups for account1 have the following configurations:
* Interval: 2 hours
* Retention period: 4 days
You need to estimate the charges associated with the retention of the backups. How many copies of the backups will incur additional charges?

A. 0
B. 1
C. 2
D. 3

Answer: C

NEW QUESTION # 52
You have three containers in an Azure Cosmos DB Core (SQL) API account as shown in the following table.

You have the following Azure functions:
A function named Fn1 that reads the change feed of cn1
A function named Fn2 that reads the change feed of cn2
A function named Fn3 that reads the change feed of cn3
You perform the following actions:
Delete an item named item1 from cn1.
Update an item named item2 in cn2.
For an item named item3 in cn3, update the item time to live to 3,600 seconds.
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: No
Azure Cosmos DB's change feed is a great choice as a central data store in event sourcing architectures where all data ingestion is modeled as writes (no updates or deletes).
Note: The change feed does not capture deletes. If you delete an item from your container, it is also removed from the change feed. The most common method of handling this is adding a soft marker on the items that are being deleted. You can add a property called "deleted" and set it to "true" at the time of deletion. This document update will show up in the change feed. You can set a TTL on this item so that it can be automatically deleted later.
Box 2: No
The _etag format is internal and you should not take dependency on it, because it can change anytime.
Box 3: Yes
Change feed support in Azure Cosmos DB works by listening to an Azure Cosmos container for any changes.
Reference:
https://docs.microsoft.com/en-us/azure/cosmos-db/sql/change-feed-design-patterns
https://docs.microsoft.com/en-us/azure/cosmos-db/change-feed

NEW QUESTION # 53
You plan to create an Azure Cosmos DB container named account that will contain items in the following format.

You need to define a query that will return the ids of all accounts that have ever recorded a negative value for balance.
How should you complete the query? To answer, select the appropriate options in the answer are a.
NOTE: Each correct selection is worth one point.

Answer:

Explanation:

NEW QUESTION # 54
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