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| Certification Vendor: | Microsoft |
|---|---|
| Exam Name: | Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB |
| Exam Number: | DP-420 |
| Related Certifications: | Microsoft Certified: Azure Solutions Architect Expert Microsoft Certified: Azure Developer Associate |
| Exam Format: | Practical lab scenarios, Multiple-choice, Multiple-response, Drag-and-drop, Case studies |
| Real Exam Qty: | 40-60 |
| Passing Score: | 700 |
| Available Languages: | Chinese (Simplified), English, Japanese |
| Certificate Validity Period: | 12 months |
| Exam Duration: | 120 minutes |
| Exam Price: | $165 USD |
| Recommended Training: | Course DP-420T00: Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB |
| Exam Registration: | Pearson VUE Microsoft Learn |
| Sample Questions: | Microsoft DP-420 Sample Questions |
| Exam Way: | Online proctored or onsite test center |
| Pre Condition: | No mandatory prerequisites; recommended experience: developing Azure applications, working with NoSQL databases, proficiency in C#/Java/JavaScript/Python, familiarity with Azure management |
| Official Syllabus URL: | https://learn.microsoft.com/en-us/credentials/certifications/resources/study-guides/dp-420 |
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The Microsoft DP-420 exam measures the candidate's proficiency in various areas such as designing and implementing Cosmos DB solutions, designing and implementing global distribution solutions, designing and implementing non-relational data modeling, designing and implementing server-side programming models, and designing and implementing security solutions. DP-420 exam requires the candidate to demonstrate their expertise in using various tools and technologies such as Azure Cosmos DB, Azure Functions, Azure Event Grid, Azure Stream Analytics, and Azure Search. Passing DP-420 Exam validates the candidate's ability to design and implement cloud-native applications on Microsoft Azure using Cosmos DB and prepares them for a successful career in cloud-native application development.
NEW QUESTION # 18
You have a database named telemetry in an Azure Cosmos DB Core (SQL) API account that stores IoT data.
The database contains two containers named readings and devices.
Documents in readings have the following structure.
id
deviceid
timestamp
ownerid
measures (array)
- type
- value
- metricid
Documents in devices have the following structure.
id
deviceid
owner
- ownerid
- emailaddress
- name
brand
model
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: Yes
Need to join readings and devices.
Box 2: No
Only readings is required. All required fields are in readings.
Box 3: No
Only devices is required. All required fields are in devices.
NEW QUESTION # 19
You have an Azure subscription that contains an Azure Cosmos DB for NoSQL account named accounts In account1, you create a container that has the following configurations:
* Partition key: CompanylD
* Composite unique key: UserName and EmailAddress
To the container, you plan to add the data items shown in the following table.
How many conflicts will occur?
Answer: D
NEW QUESTION # 20
You have a database named db1 in an Azure Cosmos DB for NoSQL account named account1. The db1 database has a manual throughput of 4,000 request units per second (RU/s).
You need to move db1 from manual throughput to autoscale throughput by using the Azure CLI. The solution must provide a minimum of 4,000 RU/s and a maximum of 40,000 RU/s.
How should you complete the CLI statements? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
Explanation:
Migrate
40000
According to the Azure CLI reference 1 , you need to use the az cosmosdb sql database throughput migrate command to migrate the throughput of the SQL database between autoscale and manually provisioned. You also need to use the --throughput-type parameter to specify the type of throughput to migrate to, and the --max-throughput parameter to specify the maximum throughput resource can scale to (RU/s).
To complete the CLI statements, you should replace the missing values with:
* --throughput-type autoscale
* --max-throughput 40000
The final command should look like this:
az cosmosdb sql database throughput migrate \
--account-name account1 \
--name db1 \
--resource-group rg1 \
--throughput-type autoscale \
--max-throughput 40000
NEW QUESTION # 21
You have an Apache Spark pool in Azure Synapse Analytics that runs the following Python code in a notebook.
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:
New and updated orders will be added to contoso-erp.orders: Yes
The code performs bulk data ingestion from contoso-app: No
Both contoso-app and contoso-erp have Analytics store enabled: Yes
The code uses the spark.readStream method to read data from a container named orders in a database named contoso-app. The data is then filtered by a condition and written to another container named orders in a database named contoso-erp using the spark.writeStream method. The write mode is set to "append", which means that new and updated orders will be added to the destination container1.
The code does not perform bulk data ingestion from contoso-app, but rather stream processing. Bulk data ingestion is a process of loading large amounts of data into a data store in batches. Stream processing is a process of continuously processing data as it arrives in real-time2.
Both contoso-app and contoso-erp have Analytics store enabled, because they are both accessed by Spark pools using the spark.cosmos.oltp method. This method requires that the containers have Analytics store enabled, which is a feature that allows Spark pools to query data stored in Azure Cosmos DB containers using SQL APIs3.
NEW QUESTION # 22
You have an Azure Cosmos DB for NoSQL container named Contacts that is configured as shown in the following exhibit.
Contacts contains the items shown in the following table.
To Contacts, you plan to insert the items 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.
Answer:
Explanation:
Explanation
NEW QUESTION # 23
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