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Lead1Pass Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB (DP-420) questions are regularly updated to ensure it remains aligned with the Microsoft DP-420 latest exam content. With access to the updated dumps, you can be confident that you always get DP-420 updated questions that are necessary to succeed in your DP-420 Exam and achieve Microsoft certification. Furthermore, Lead1Pass offers 1 year's worth of free DP-420 exam questions updates. This valuable inclusion ensures that DP-420 candidates have access to the latest DP-420 exam dumps, even after their initial purchase.
| Section | Weight | Objectives |
|---|---|---|
| Design and implement data models | 35-40% | - Design partitioning strategy
|
| Design and implement data distribution | 5-10% | - Design replication strategy
|
| Integrate an Azure Cosmos DB solution | 5-10% | - Enable analytical workloads
|
| Optimize an Azure Cosmos DB solution | 15-20% | - Work with change feed
|
| Maintain an Azure Cosmos DB solution | 25-30% | - Implement backup and restore
|
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NEW QUESTION # 51
Case Study 1 - Litware, inc
Overview
Litware, Inc. is a United States-based grocery retailer. Litware has a main office and a primary datacenter in Seattle. The company has 50 retail stores across the United States and an emerging online presence. Each store connects directly to the internet. Existing environment.
Cloud and Data Service Environments. Litware has an Azure subscription that contains the resources shown in the following table.
Each container in productdb is configured for manual throughput. The con-product container stores the company's product catalog data. Each document in con-product includes a con- productvendor value. Most queries targeting the data in con-product are in the following format.
SELECT * FROM con-product p WHERE p.con-productVendor - 'name'
Most queries targeting the data in the con-productVendor container are in the following format SELECT * FROM con-productVendor pv ORDER BY pv.creditRating, pv.yearFounded Existing environment.
Current Problems.
Litware identifies the following issues:
- Updates to product categories in the con-productVendor container do not propagate automatically to documents in the con-product container.
- Application updates in con-product frequently cause HTTP status code 429 "Too many requests".
- You discover that the 429 status code relates to excessive request unit (RU) consumption during the updates.
Requirements.
Planned Changes
Litware plans to implement a new Azure Cosmos DB for NoSQL account named account2 that will contain a database named iotdb. The iotdb database will contain two containers named con- iot1 and con-iot2.
Litware plans to make the following changes:
- Store the telemetry data in account2.
- Configure account1 to support multiple read-write regions.
- Implement referential integrity for the con-product container.
- Use Azure Functions to send notifications about product updates to different recipients.
- Develop an app named App1 that will run from all locations and query the data in account1.
- Develop an app named App2 that will run from the retail stores and query the data in account2.
- App2 must be limited to a single DNS endpoint when accessing account2.
Requirements.
Business Requirements
Litware identifies the following business requirements:
- Whenever there are multiple solutions for a requirement, select the solution that provides the best performance, as long as there are no additional costs associated.
- Ensure that Azure Cosmos DB costs for IoT-related processing are predictable.
- Minimize the number of firewall changes in the retail stores.
Requirements.
Product Catalog Requirements
Litware identifies the following requirements for the product catalog:
- Implement a custom conflict resolution policy for the product catalog data.
- Minimize the frequency of errors during updates of the con-product container.
- Once multi-region writes are configured, maximize the performance of App1 queries against the data in account1.
- Trigger the execution of two Azure functions following every update to any document in the con- product container.
You need to provide a solution for the Azure Functions notifications following updates to con- product. The solution must meet the business requirements and the product catalog requirements.
Which two actions should you perform? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.
Answer: C,D
Explanation:
leaseCollectionPrefix: when set, the value is added as a prefix to the leases created in the Lease collection for this Function. Using a prefix allows two separate Azure Functions to share the same Lease collection by using different prefixes.
Scenario: Use Azure Functions to send notifications about product updates to different recipients.
Trigger the execution of two Azure functions following every update to any document in the con- product container.
Reference:
https://docs.microsoft.com/en-us/azure/azure-functions/functions-bindings-cosmosdb-v2-trigger
NEW QUESTION # 52
You have an Azure Cosmos DB for NoSQL container.
All queries to the container use the Bounded Stateness consistency level.
You discover that when many queries are executed against the container, an HTTP 429 error is returned.
What are two ways to reduce the number of HTTP 429 errors? Each correct answer presents a complete solution.
NOTE Each correct selection is worth one point.
Answer: B,E
NEW QUESTION # 53
Drag and Drop Question
You have an Azure subscription.
You need to deploy a new Azure Cosmos DB for NoSQL database. The solution must meet the following requirements:
- The database must use customer-managed keys from an Azure Key Vault.
- Permissions must be defined by using a Key Vault access policy.
Which three actions should you perform in sequence? To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.
Answer:
Explanation:
NEW QUESTION # 54
You have an Azure Cosmos DB Core (SQL) API account named account1.
In account1, you run the following query in a container that contains 100GB of data.
SELECT *
FROM c
WHERE LOWER(c.categoryid) = " hockey "
You view the following metrics while performing the query.
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
Each physical partition should have its own index, but since no index is used, the query is not cross-partition.
Box 2: No
Index utilization is 0% and Index Look up time is also zero.
Box 3: Yes
A partition key index will be created, and the query will perform across the partitions.
Reference: https://docs.microsoft.com/en-us/azure/cosmos-db/sql/how-to-query-container
NEW QUESTION # 55
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 orderDateas the partition key? Each correct answer presents a complete solution.
NOTE: Each correct selection is worth one point.
Answer: A,D
NEW QUESTION # 56
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