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Microsoft AZ-301 Exam Actual Questions (P. 45)

The questions for AZ-301 were last updated at July 24, 2021.
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  • Viewing questions 221-225 out of 234 questions
Question #53 Topic 17

You use Azure Application Insights.
You plan to use continuous export.
You need to store Application Insights data for five years.
Which Azure service should you use?

  • A. Azure SQL Database
  • B. Azure Storage
  • C. Azure Monitor Logs
  • D. Azure Backup
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Correct Answer: B
Create a Continuous Export.
1. In the Application Insights resource for your app under configure on the left, open Continuous Export and choose Add:
2. Choose the telemetry data types you want to export.
3. Create or select an Azure storage account where you want to store the data.
Click Add, Export Destination, Storage account, and then either create a new store or choose an existing store.
4. Create or select a container in the storage.
Reference:
https://docs.microsoft.com/en-us/azure/azure-monitor/app/export-telemetry#continuous-export-advanced-storage-configuration

Question #54 Topic 17

You have data files in Azure Blob storage.
You plan to transform the files and move them to Azure Data Lake Storage.
You need to transform the data by using mapping data flow.
Which Azure service should you use?

  • A. Azure Storage Sync
  • B. Azure Databricks
  • C. Azure Data Box Gateway
  • D. Azure Data Factory
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Correct Answer: D
You can use Copy Activity in Azure Data Factory to copy data from and to Azure Data Lake Storage Gen2, and use Data Flow to transform data in Azure Data
Lake Storage Gen2.
Reference:
https://docs.microsoft.com/en-us/azure/data-factory/connector-azure-data-lake-storage

Question #55 Topic 17

You have an on-premises application named App1 that uses an Oracle database.
You plan to use Azure Databricks to load data from App1 to an Azure SQL Data Warehouse instance.
You need to ensure that the App1 data is available to Databricks.
Which two Azure services should you include in the solution? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.

  • A. Azure Import/Export service
  • B. Azure Data Box Gateway
  • C. Azure Data Box Edge
  • D. Azure Data Lake Storage
  • E. Azure Data Factory
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Correct Answer: DE
Automate data movement using Azure Data Factory, then load data into Azure Data Lake Storage, transform and clean it using Azure Databricks, and make it available for analytics using Azure Synapse Analytics. Modernize your data warehouse in the cloud for unmatched levels of
Note: Integrate data silos with Azure Data Factory, a service built for all data integration needs and skill levels. Easily construct ETL and ELT processes code-free within the intuitive visual environment, or write your own code. Visually integrate data sources using more than 90+ natively built and maintenance-free connectors at no added cost. Focus on your data""the serverless integration service does the rest.
Reference:
https://azure.microsoft.com/en-us/services/databricks/#capabilities https://azure.microsoft.com/en-us/services/data-factory/

Question #56 Topic 17

You have an Azure subscription. The subscription contains an app that is hosted in the East US, Central Europe, and East Asia regions.
You need to recommend a data-tier solution for the app. The solution must meet the following requirements:
✑ Support multiple consistency levels.
✑ Be able to store at least 1 TB of data.
✑ Be able to perform read and write operations in the Azure region that is local to the app instance.
What should you include in the recommendation?

  • A. an Azure SQL database in an elastic pool
  • B. a Microsoft SQL Server Always On availability group on Azure virtual machines
  • C. an Azure Cosmos DB database
  • D. Azure Table storage that uses geo-redundant storage (GRS) replication
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Correct Answer: C
Azure Cosmos DB approaches data consistency as a spectrum of choices. This approach includes more options than the two extremes of strong and eventual consistency. You can choose from five well-defined levels on the consistency spectrum.
With Cosmos DB any write into any region must be replicated and committed to all configured regions within the account.
Incorrect Answers:
D: Not able to do local writes.
Reference:
https://docs.microsoft.com/en-us/azure/cosmos-db/consistency-levels-tradeoffs
Design a Business Continuity Strategy

Question #57 Topic 17

You are planning to deploy an application named App1 that will run in containers on Azure Kubernetes Service (AKS) clusters. The AKS clusters will be distributed across four Azure regions.
You need to recommend a storage solution for App1. Updated container images must be replicated automatically to all the AKS clusters.
Which storage solution should you recommend?

  • A. Azure Content Delivery Network (CDN)
  • B. Premium SKU Azure Container Registry
  • C. Azure Cache for Redis
  • D. geo-redundant storage (GRS) accounts
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Correct Answer: B
Enable geo-replication for container images.
Best practice: Store your container images in Azure Container Registry and geo-replicate the registry to each AKS region.
To deploy and run your applications in AKS, you need a way to store and pull the container images. Container Registry integrates with AKS, so it can securely store your container images or Helm charts. Container Registry supports multimaster geo-replication to automatically replicate your images to Azure regions around the world.
Geo-replication is a feature of Premium SKU container registries.
Note:
When you use Container Registry geo-replication to pull images from the same region, the results are:
Faster: You pull images from high-speed, low-latency network connections within the same Azure region.
More reliable: If a region is unavailable, your AKS cluster pulls the images from an available container registry.
Cheaper: There's no network egress charge between datacenters.
Reference:
https://docs.microsoft.com/en-us/azure/aks/operator-best-practices-multi-region


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