DP-420復習対策 & DP-420実際試験

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MicrosoftのDP-420認定試験がIT業界には極めて重要な地位があるがよく分かりましょう。試験に合格するのは簡単ではないもよくわかりましょう。“簡単に合格できる方法がありますか？”答えはもちろんですよ。Jpshikenはこの問題を着々解決できますよ。IT専門家がMicrosoftのDP-420認定試験に関する特別な問題集を開発しています。それをもって、試験は問題になりませんよ。

Microsoft DP-420: Microsoft Azure Cosmos DBを使用したクラウドネイティブアプリケーションの設計と実装の試験は、Microsoft Azure Cosmos DBを使用してクラウドネイティブアプリケーションを開発および実装する能力を測定する認定試験です。この試験は、クラウドでスケーラブルで効率的に機能する分散アプリケーションの構築と管理のスキルと知識を試験するように設計されています。

Microsoft DP-420試験、またはDesigning and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DBとしても知られている試験は、Azure Cosmos DBを使用してクラウドネイティブアプリケーションを設計および実装する知識をテストする上級レベルの認定試験です。この試験は、Azure Cosmos DBを使用してクラウドベースのアプリケーションを開発する専門知識を検証したいプロフェッショナル向けに設計されています。

>> DP-420復習対策 <<

実用的なDP-420復習対策一回合格-高品質なDP-420実際試験

多くの人がDP-420試験を非常に重視する必要があります。また、試験に合格することは多くの人にとって簡単なことではないこともわかっています。そのため、多くの人にとって優れた学習方法は非常に重要です。さらに、適切な学習ツールも同様に重要です。DP-420リファレンスガイドは、リラックスした状態で試験に合格するのに役立ちます。弊社からDP-420認定試験ガイド資料をご紹介します。 DP-420学習教材は、DP-420試験に合格するのに非常に有用で役立つと考えています。

Microsoft DP-420試験は、Microsoft Azure Cosmos DBを使用してクラウドネイティブアプリケーションの設計と実装における専門家のスキルと知識を検証するために設計された高度なレベルの認定です。この認定は業界で非常に評価されており、専門家がクラウドネイティブのアプリケーション開発におけるキャリアを促進するのに役立ちます。この試験の服用に興味がある場合は、必ず徹底的に準備し、Azure Cosmos DBおよびその他の関連技術で実践的な経験を積むようにしてください。

Microsoft Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB 認定 DP-420 試験問題 (Q65-Q70):

質問 # 65
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?

A. A manual failover will occur.
B. The account will be configured for multi-region writes.
C. The provisioned throughput for account1 will increase.
D. The account will be unavailable to writes during the change.

正解：D

解説：
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.

質問 # 66
You are developing an application that will connect to an Azure Cosmos DB for NoSQL account. The account has a single readme region and one agonal read region. The regions are configured for automatic failover.
The account has the following connect strings. (Line numbers are included for reference only.)

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

正解：

解説：

Explanation:
If the primary write region fails, applications that write to the database must use a different connection string to continue to use the service. = NO You do not need to use a different connection string to continue to use the service if the primary write region fails. This is because Azure Cosmos DB supports automatic failover, which means that it will automatically switch the primary write region to another region in case of a regional outage2. The application does not need to change the connection string or specify the failover priority3. The connection string contains a list of all the regions associated with your account, and Azure Cosmos DB will route the requests to the appropriate region based on the availability and latency1.
The primary Read-Only SQL Connection String and the Secondary Read-Only SQL Connection String will connect to different regions from an application running in the East US Azure region = Yes The primary read-only SQL connection string and the secondary read-only SQL connection string will connect to different regions from an application running in the East US Azure region. This is because the primary read-only SQL connection string contains the endpoint for the East US region, which is the same as the primary write region. The secondary read-only SQL connection string contains the endpoint for the West US region, which is the additional read region. Therefore, if an application running in the East US Azure region uses these connection strings, it will connect to different regions depending on which one it chooses.
Applications can choose from which region by setting the PreferredLocations property within their connection properties = Yes Applications can choose from which region by setting the PreferredLocations property within their connection properties. This property allows you to specify a list of regions that you prefer to read from based on their proximity to your application2. Azure Cosmos DB will route the requests to the appropriate region based on the availability and latency1. You can also set the ApplicationRegionproperty to the region where your application is deployed, and Azure Cosmos DB will automatically populate the PreferredLocations property based on the geo-proximity from that location1.

質問 # 67
You have an Azure Cosmos DB Core (SQL) API account named storage1 that uses provisioned throughput capacity mode.
The storage1 account contains the databases shown in the following table.

The databases contain the containers shown in the following table.

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

正解：

解説：

Explanation:

Box 1: No
Four containers with 1000 RU/s each.
Box 2: No
Max 8000 RU/s for db2. 8 containers, so 1000 RU/s for each container.
Box 3: Yes
Max 8000 RU/s for db2. 8 containers, so 1000 RU/s for each container. Can very well add an additional container.
Reference:
https://docs.microsoft.com/en-us/azure/cosmos-db/plan-manage-costs
https://azure.microsoft.com/en-us/pricing/details/cosmos-db/

質問 # 68
You have a container in an Azure Cosmos DB for NoSQL account that stores data about orders. The following is a sample of an order document.

Documents are up to 2 KB.
You plan to receive one million orders daily.
Customers will frequently view then past order history.
You are the evaluating whether to use orderDate as the partition key.
What are two effects of using orderDate as the partition key? Each correct answer presents a complete solution.
NOTE: Each correct selection is worth one point.

A. There will always be a hot partition.
B. You will exceed the maximum number of partition key values.
C. You will exceed the maximum storage per partition.
D. Queries will run cross-partition.

正解：A、D

質問 # 69
You need to create a data store for a directory of small and medium-sized businesses (SMBs). The data store must meet the following requirements:
* Store companies and the users employed by them. Each company will have less than 1,000 users.
* Some users have data that is greater than 2 KB.
* Associate each user to only one company.
* Provide the ability to browse by company.
* Provide the ability to browse the users by company.
* Whenever a company or user profile is selected, show a details page for the company and all the related users.
* Be optimized for reading data.
Which design should you implement to optimize the data store for reading data?

A. Create a user container that uses the user ID as the partition key and a company container that container that uses the company ID as the partition key. Add the company ID to each user documents.
B. In a directory container, create a document for each company and a document for each user. Use company ID as the partition key.
C. In a company container, create a document for each company. Embed the users into company documents. Use the company ID as the partition key.
D. In a user container, create a document for each user. Embed the company into each user document. Use the user ID as the partition key.

正解：C

解説：
Azure Cosmos DB is a multi-model database that supports various data models, such as documents, key-value, graph, and column-family3. The core content-model of Cosmos DB's database engine is based on atom-record-sequence (ARS), which allows it to store and query different types of data in a flexible and efficient way3.
To optimize the data store for reading data, you should consider the following factors:
* The size and shape of your data
* The frequency and complexity of your queries
* The latency and throughput requirements of your application
* The trade-offs between storage efficiency and query performance
Based on these factors, one possible design that you could implement is B. In a company container, create a document for each company. Embed the users into company documents. Use the company ID as the partition key.
This design has the following advantages:
* It stores companies and users as self-contained documents that can be easily retrieved by company ID1.
* It avoids storing redundant data or creating additional containers for users1.
* It allows you to browse by company and browse the users by company with simple queries1.
* It shows a details page for the company and all the related users by fetching a single document1.
* It leverages the benefits of embedding data, such as reducing the number of requests, improving query performance, and simplifying data consistency2.
This design also has some limitations, such as:
* It may not be suitable for some users who have data that is greater than 2 KB, as it could exceed the maximum document size limit of 2 MB2.
* It may not be optimal for scenarios where users need to be associated with more than one company or queried independently from companies2.
* It may not be scalable for companies that have more than 1,000 users, as it could result in hot partitions or throttling2.
Depending on your specific use case and requirements, you may need to adjust this design or choose a different one. For example, you could use a hybrid data model that combines embedding and referencing data2
, or you could use a graph data model that expresses entities and relationships as vertices and edges.

質問 # 70
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DP-420実際試験: https://www.jpshiken.com/DP-420_shiken.html

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