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| Certification Vendor: | Microsoft |
|---|---|
| Exam Name: | Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB |
| Exam Number: | DP-420 |
| Exam Format: | Multiple choice, Lab, Hot area, Drag and drop, Case study |
| Exam Price: | $165 USD |
| Passing Score: | 700/1000 |
| Certificate Validity Period: | 1 year |
| Related Certifications: | Microsoft Certified: Azure Cosmos DB Developer Specialty |
| Real Exam Qty: | 40-60 |
| Available Languages: | English, Chinese (Simplified), Korean, Japanese |
| Exam Duration: | 100-120 |
| Sample Questions: | Microsoft DP-420 Sample Questions |
| Exam Way: | Online proctored exam or in-person test center |
| Pre Condition: | No formal prerequisite exams are required. Candidates should have experience developing Azure solutions and working with Azure Cosmos DB. |
| Official Syllabus URL: | https://learn.microsoft.com/en-us/credentials/certifications/exams/dp-420/ |
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The DP-420 exam covers a wide range of topics related to Cosmos DB, including data modeling, partitioning, indexing, querying, and performance tuning. Candidates are expected to have a deep understanding of the underlying architecture of Cosmos DB and its various APIs, such as SQL, MongoDB, Cassandra, and Azure Table Storage. They should also be familiar with the best practices for designing and implementing cloud-native applications, such as microservices architecture, containerization, and serverless computing. Overall, the DP-420 Certification Exam is an excellent opportunity for professionals to showcase their expertise in cloud-native application development using Cosmos DB and advance their career in the field.
NEW QUESTION # 11
Hotspot Question
You are creating a database in an Azure Cosmos DB for NoSQL account. The database will be used by an application that will provide users with the ability to share online posts. Users will also be able to submit comments on other users' posts.
You need to store the data shown in the following table.
The application has the following characteristics:
- Users can submit an unlimited number of posts.
- The average number of posts submitted by a user will be more than
1,000.
- Posts can have an unlimited number of comments from different users.
The average number of comments per post will be 100, but many posts will exceed 1,000 comments. Users will be limited to having a maximum of 20 interests. 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
Non-relational data increases write costs, but can decrease read costs.
Box 2: Yes
Non-relational data increases write costs, but can decrease read costs.
Box 3: No
Non-relational data increases write costs, but can decrease read costs.
NEW QUESTION # 12
Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.
After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.
You have a container named container1 in an Azure Cosmos DB Core (SQL) API account.
You need to make the contents of container1 available as reference data for an Azure Stream Analytics job.
Solution: You create an Azure function that uses Azure Cosmos DB Core (SQL) API change feed as a trigger and Azure event hub as the output.
Does this meet the goal?
Answer: A
Explanation:
The Azure Cosmos DB change feed is a mechanism to get a continuous and incremental feed of records from an Azure Cosmos container as those records are being created or modified. Change feed support works by listening to container for any changes. It then outputs the sorted list of documents that were changed in the order in which they were modified.
The following diagram represents the data flow and components involved in the solution:
Reference: https://docs.microsoft.com/en-us/azure/cosmos-db/sql/changefeed-ecommerce-solution
NEW QUESTION # 13
Hotspot Question
You have an Azure Cosmos DB for NoSQL account that hosts a container named Container1.
Container1 stores items in the following format.
You need to modify the contents of Container1 to conform to the following format.
How should you complete the JSON Patch document? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
NEW QUESTION # 14
Hotspot Question
You plan to use two Azure Cosmos DB for NoSQL accounts. Both accounts will use Transparent Data Encryption (TDE).
You plan to store customer-managed keys in Azure Key Vault.
You need to configure security to meet the following requirements:
- Ensure that all operations on the control plane are audited.
- Ensure that both accounts use the same identity when authenticating
to Key Vault.
What should you do for each requirement? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
NEW QUESTION # 15
You have an Azure Cosmos DB Core (SQL) API account named account1.
You have the Azure virtual networks and subnets shown in the following table.
The vnet1 and vnet2 networks are connected by using a virtual network peer.
The Firewall and virtual network settings for account1 are configured as shown in the exhibit.
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
VM1 is on vnet1.subnet1 which has the Endpoint Status enabled.
Box 2: No
Only virtual network and their subnets added to Azure Cosmos account have access. Their peered VNets cannot access the account until the subnets within peered virtual networks are added to the account.
Box 3: No
Only virtual network and their subnets added to Azure Cosmos account have access.
Reference: https://docs.microsoft.com/en-us/azure/cosmos-db/how-to-configure-vnet-service-endpoint
NEW QUESTION # 16
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