スッキリわかるDP-420合格教本

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Microsoft DP-420 Exam Syllabus Topics:

Section	Objectives
Integrate Azure Cosmos DB with Azure services	- Data pipelines and analytics 1. Synapse integration 2. Data movement patterns - Event-driven architectures 1. Change Feed processing 2. Integration with Azure Functions
Design and implement data distribution	- Replication and consistency 1. Multi-region replication 2. Consistency levels - Partitioning and scaling 1. Logical and physical partitions 2. Throughput (RU/s) planning
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
Optimize and maintain Cosmos DB solutions	- Performance optimization 1. RU consumption optimization 2. Query performance tuning - Monitoring and troubleshooting 1. Alerts and metrics 2. Diagnostics and logging

>> DP-420受験方法 <<

DP-420日本語試験対策 & DP-420復習対策

Microsoft DP-420認証試験を通るために、いいツールが必要です。Microsoft DP-420認証試験について研究の資料がもっとも大部分になって、GoShikenは早くてMicrosoft DP-420認証試験の資料を集めることができます。弊社の専門家は経験が豊富で、研究した問題集がもっとも真題と近づいて現場試験のうろたえることを避けます。

Microsoft Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB 認定 DP-420 試験問題 (Q23-Q28):

質問 # 23
Which of the following function in Spark SQL separates the array's elements into multiple rows with positions and utilizes the column names 'pos' for position and 'col' for elements of the array?

A. explode()
B. preexplode()
C. Separate()
D. posexplode()

正解：D

解説：
posexplode() is a function in Spark SQL that separates the array's elements into multiple rows with positions and utilizes the column names pos for position and col for elements of the array.
https://docs.microsoft.com/en-us/learn/modules/query-azure-cosmos-db-with-apache-spark-for-azure-synapse-analytics/5-perform-complex-queries

質問 # 24
You have an Azure Cosmos DB Core (SQL) API account that is configured for multi-region writes. The account contains a database that has two containers named container1 and container2.
The following is a sample of a document in container1:
{
" customerId " : 1234,
" firstName " : " John " ,
" lastName " : " Smith " ,
" policyYear " : 2021
}
The following is a sample of a document in container2:
{
" gpsId " : 1234,
" latitude " : 38.8951,
" longitude " : -77.0364
}
You need to configure conflict resolution to meet the following requirements:
For container1 you must resolve conflicts by using the highest value for policyYear.
For container2 you must resolve conflicts by accepting the distance closest to latitude: 40.730610 and longitude: -73.935242.
Administrative effort must be minimized to implement the solution.
What should you configure for each container? To answer, drag the appropriate configurations to the correct containers. Each configuration may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.
NOTE: Each correct selection is worth one point.

正解：

解説：

Explanation:

Box 1: Last Write Wins (LWW) (default) mode
Last Write Wins (LWW): This resolution policy, by default, uses a system-defined timestamp property. It ' s based on the time-synchronization clock protocol.
Box 2: Merge Procedures (custom) mode
Custom: This resolution policy is designed for application-defined semantics for reconciliation of conflicts.
When you set this policy on your Azure Cosmos container, you also need to register a merge stored procedure. This procedure is automatically invoked when conflicts are detected under a database transaction on the server. The system provides exactly once guarantee for the execution of a merge procedure as part of the commitment protocol.
Reference:
https://docs.microsoft.com/en-us/azure/cosmos-db/conflict-resolution-policies
https://docs.microsoft.com/en-us/azure/cosmos-db/sql/how-to-manage-conflicts

質問 # 25
You have a container named container1 in an Azure Cosmos DB for NoSQL account named account1.
You configure container1 to use Always Encrypted by using an encryption policy as shown in the C# and the Java exhibits. (Click the C# tab to view the encryption policy in C#. Click the Java tab to see the encryption policy in Java.)

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：

質問 # 26
You have an Azure Cosmos DB database that hosts a container named container1.
You need to ensure that the items stored in contained will NOT expire unless their TTL value is set explicitly. What should you do?

A. Set the DefaultiiwioLive property to null.
B. Remove the DefaultTiiwroLive property.
C. Set the DefaulttimtoLive property to e.
D. Set the DefaultTineToLive property to -l.

正解：D

質問 # 27
Hotspot Question
You have an Azure subscription that contains an Azure Cosmos DB for NoSQL account named Account1 and an Azure key vault named Vault1.
You plan to enable customer-managed keys and use an encryption key stored in Vault1 to encrypt data at rest.
You need to configure Account1 to use the key from Vault1. The solution must ensure that Account1 continues to operate if the key is rotated in Vault1.
What should you do? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.

正解：

解説：

質問 # 28
......

昇進の機会を得て仕事に就きたいと考えているなら、当社からDP-420学習問題を選択するのが最良の選択のチャンスになります。なぜなら、DP-420学習教材には、あなたが自分自身を改善し、他の人よりも優れたものにするのに役立つ十分な能力があるからです。当社のDP-420学習教材は、多くの人々が認定を取得し、夢を実現するのに役立ちました。また、当社のDP-420テストガイドに連絡する機会もあります。

DP-420日本語試験対策: https://www.goshiken.com/Microsoft/DP-420-mondaishu.html

P.S. GoShikenがGoogle Driveで共有している無料かつ新しいDP-420ダンプ：https://drive.google.com/open?id=1_7Bwo0v9SOT4Wmmz3eGcENBQ0K6fe9L3