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To prepare for the Microsoft DP-420 Exam, candidates can take advantage of Microsoft's official training courses and certification resources. Microsoft offers a variety of training options, including self-paced online courses, instructor-led training, and hands-on labs. Additionally, Microsoft provides free online resources, such as documentation, whitepapers, and case studies, to help candidates learn more about Azure Cosmos DB and cloud-native application design principles.
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As per the guidance of the DP-420 Dumps, there are 02 main objectives of the Microsoft DP-420 Certification Exam. The first is to understand Azure Cosmos DB architecture & components, and the second is to understand the design and implementation of cloud-native applications using Microsoft Azure Cosmos DB. Assessment of the candidate's technical knowledge and skills in the field of Azure SQL Database Administration.
NEW QUESTION # 123
You have an Azure Cosmos DB for NoSQL account1 that is configured for automatic failover. The account1 account has a single read-write region in West US and a and a read region in East US.
You run the following PowerShell command.
What is the effect of running the command?
Answer: B
Explanation:
You can use the Set-AzCosmosDBAccountRegion cmdlet to update the regions that an Azure Cosmos DB account uses. You can use this cmdlet to add a region or change the region failover order. The cmdlet requires a resource group name, an Azure Cosmos DB account name, and a list of regions in desired failover order1.
For your scenario, based on the PowerShell command, you are using the Set-AzCosmosDBAccountRegion cmdlet to update the regions for an Azure Cosmos DB account named account1 that is configured for automatic failover. The command specifies two regions: West US and East US. The effect of running the command is that the account will be configured for multi-region writes.
Multi-region writes is a feature of Azure Cosmos DB that allows you to write data to any region in your account and have it automatically replicated to all other regions. This feature provides high availability and low latency for write operations across multiple regions. To enable multi-region writes, you need to specify at least two regions in your account and set them as write regions2. In your command, you are setting both West US and East US as write regions by using the -IsZoneRedundant parameter with a value of $true for both regions.
NEW QUESTION # 124
Hotspot Question
You have an Azure Resource Manager (ARM) template that provisions Azure Cosmos DB accounts and databases. The accounts are deployed to a single Azure region. The databases have provisioned throughput configured. The name of the region, the type of database throughput, and the throughput value are defined as template parameters.
You need to modify some of the Azure Cosmos DB accounts and databases based on the following scenarios:
- Scenario 1: Add a read region and increase the database throughput.
- Scenario 2: Change the provisioned database throughput to autoscale.
The solution must minimize administrative effort and the duration of the modifications.
What should you use for each scenario? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
NEW QUESTION # 125
Hotspot Question
You have an Azure Cosmos DB for NoSQL account that hosts a container named Container1.
Container1 has analytical store enabled.
Users report that some properties fail to return from the analytical store when queries are run against the data in Container1, but the properties exist in the operational store.
You suspect that you are reaching the maximum properties limit.
What is the maximum limit for replicated properties and replicated nested levels? To answer, select the appropriate options in the answer area.
Answer:
Explanation:
NEW QUESTION # 126
You have an Azure subscription. The subscription contains an Azure Cosmos DB for NoSQL account named account1 that hosts a container named Container1. Container1 has a provisioned throughput of 100 request units per second (RU/s) and uses a single physical partition.
You are evaluating the available throughput for Container1.
What is the maximum burst capacity that Container1 can accumulate?
Answer: B
Explanation:
Azure Cosmos DB containers can accumulate burst capacity when they are under-utilized.
Containers that have provisioned throughput and are using a single physical partition can accumulate up to 5 minutes' worth of their provisioned throughput in burst capacity, up to a maximum of 300 RU/s per physical partition.
Given that Container1 has a provisioned throughput of 100 RU/s and uses a single physical partition, it can accumulate up to 300 RU/s in burst capacity (3 times the provisioned throughput).
This burst capacity can be used during short periods of increased load when the container needs more throughput than is provisioned.
NEW QUESTION # 127
Hotspot Question
You have a container in an Azure Cosmos DB for NoSQL account.
You need to use the Azure Cosmos DB SDK to replace a document by using optimistic concurrency.
What should you include in the code? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
Explanation:
Box 1: ConsistencyLevel
The ItemRequestOptions Class ConsistencyLevel property gets or sets the consistency level required for the request in the Azure Cosmos DB service.
Azure Cosmos DB offers 5 different consistency levels. Strong, Bounded Staleness, Session, Consistent Prefix and Eventual - in order of strongest to weakest consistency.
Box 2: _etag
The ItemRequestOptions class helped us implement optimistic concurrency by specifying that we wanted the SDK to use the If-Match header to allow the server to decide whether a resource should be updated. The If-Match value is the ETag value to be checked against. If the ETag value matches the server ETag value, the resource is updated.
Reference:
https://docs.microsoft.com/en-us/dotnet/api/microsoft.azure.cosmos.itemrequestoptions
https://cosmosdb.github.io/labs/dotnet/labs/10-concurrency-control.html
NEW QUESTION # 128
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