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| Certification Vendor: | Microsoft |
|---|---|
| Exam Name: | Designing and Implementing Cloud-Native Applications Using |
| Exam Number: | DP-420 |
| Exam Price: | $165 USD (may vary by region) |
| Available Languages: | Japanese, Korean, Chinese (Simplified), French, English, German, Spanish |
| Passing Score: | 700 / 1000 |
| Exam Format: | Short answer, Multiple response, Case studies, Drag and drop, Multiple choice |
| Real Exam Qty: | 40-60 (approx.) |
| Certificate Validity Period: | 1 year (renewable via Microsoft Learn assessment) |
| Exam Duration: | 100-120 |
| Related Certifications: | Microsoft Certified: Azure Developer Associate (AZ-204) Microsoft Certified: Azure Solutions Architect Expert (AZ-305) |
| Recommended Training: | Azure Cosmos DB Documentation Microsoft Learn DP-420 Learning Path |
| Exam Registration: | Pearson VUE Registration Portal Microsoft Learn DP-420 Exam Page |
| Sample Questions: | Microsoft DP-420 Sample Questions |
| Exam Way: | Online proctored (Pearson VUE) or in-person at authorized test centers |
| Pre Condition: | No mandatory prerequisites. Recommended: experience with Azure development and NoSQL databases, especially Cosmos DB. |
| Official Syllabus URL: | https://learn.microsoft.com/credentials/certifications/exams/dp-420/ |
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Microsoft DP-420 Certification Exam is an excellent way for professionals to demonstrate their skills and knowledge in the field of cloud-native application development. Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB certification is highly valued by employers and can help individuals advance their careers in the field of cloud computing. If you are interested in pursuing this certification, it is recommended that you have a strong understanding of Azure Cosmos DB and experience working with cloud-native applications.
NEW QUESTION # 83
You have an Azure Cosmos DB Core (SQL) API account named account1 that has the disableKeyBasedMetadataWriteAccess property enabled.
You are developing an app named App1 that will be used by a user named DevUser1 to create containers in account1. DevUser1 has a non-privileged user account in the Azure Active Directory (Azure AD) tenant.
You need to ensure that DevUser1 can use App1 to create containers in account1.
What should you do? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
Reference:
https://docs.microsoft.com/en-us/azure/cosmos-db/secure-access-to-data
https://docs.microsoft.com/en-us/rest/api/resources/
NEW QUESTION # 84
You have an Azure subscription that contains an Azure Cosmos DB for NoSQL database named db1. The subscription is linked to a Microsoft Entra tenant that contains a user named User1.
You need to delegate permissions to User1 to meet the following requirements:
- Ensure that User1 can manage db1.
- Prevent User1 from accessing connection strings.
- Prevent User1 from accessing the data stored in db1.
Which role should you assign to User1?
Answer: D
Explanation:
To ensure the user can only manage the database without accessing connection strings or stored data, you should assign the Cosmos DB Operator role.
Role Details and Permissions
This role is specifically designed for the control plane, allowing administrative tasks while strictly isolating data-plane access.
Management Capabilities: The user can manage Azure Cosmos DB accounts, databases, and containers.
Access Restrictions: By design, this role cannot view or regenerate account keys (connection strings).
Data Isolation: This role does not grant permissions to read, write, or query the actual data stored within the containers.
Reference:
https://learn.microsoft.com/en-us/azure/cosmos-db/how-to-connect-role-based-access-control
NEW QUESTION # 85
You have three containers in an Azure Cosmos DB Core (SQL) API account as shown in the following table.
You have the following Azure functions:
A function named Fn1 that reads the change feed of cn1
A function named Fn2 that reads the change feed of cn2
A function named Fn3 that reads the change feed of cn3
You perform the following actions:
Delete an item named item1 from cn1.
Update an item named item2 in cn2.
For an item named item3 in cn3, update the item time to live to 3,600 seconds.
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: No
Azure Cosmos DB's change feed is a great choice as a central data store in event sourcing architectures where all data ingestion is modeled as writes (no updates or deletes).
Note: The change feed does not capture deletes. If you delete an item from your container, it is also removed from the change feed. The most common method of handling this is adding a soft marker on the items that are being deleted. You can add a property called "deleted" and set it to "true" at the time of deletion. This document update will show up in the change feed. You can set a TTL on this item so that it can be automatically deleted later.
Box 2: No
The _etag format is internal and you should not take dependency on it, because it can change anytime.
Box 3: Yes
Change feed support in Azure Cosmos DB works by listening to an Azure Cosmos container for any changes.
Reference:
https://docs.microsoft.com/en-us/azure/cosmos-db/sql/change-feed-design-patterns
https://docs.microsoft.com/en-us/azure/cosmos-db/change-feed
NEW QUESTION # 86
You have an Azure Cosmos DB Core (SQL) account that has a single write region in West Europe.
database named db
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
The Automatic failover option allows Azure Cosmos DB to failover to the region with the highest failover priority with no user action should a region become unavailable.
Box 2: No
West Europe is used for failover. Only North Europe is writable.
To Configure multi-region set UseMultipleWriteLocations to true.
Box 3: Yes
Provisioned throughput with single write region costs $0.008/hour per 100 RU/s and provisioned throughput with multiple writable regions costs $0.016/per hour per 100 RU/s.
Reference:
https://docs.microsoft.com/en-us/azure/cosmos-db/sql/how-to-multi-master
https://docs.microsoft.com/en-us/azure/cosmos-db/optimize-cost-regions
NEW QUESTION # 87
You have a container m an Azure Cosmos DB for NoSQL account. The container stores data about families.
Data about parents, children, and pets are stored as separate documents.
Each document contains the address of each family. Members of the same family share the same partition key named family Id You need to update the address for each member of the same family that share the same address. The solution must meet the following requirements:
* Be atomic consistent isolated, and durable (ACID).
* Provide the lowest latency.
What should you do?
Answer: C
NEW QUESTION # 88
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