DP-203: Azure Data Engineer Associate Certification Preparation

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Questions and Answers

What is the purpose of the az storage entity show command?

  • To create a new storage table entry
  • To view the contents of a storage table entry (correct)
  • To update an existing storage table entry
  • To delete a storage table entry

Which of the following is a key benefit of Azure Managed Disks?

  • They do not provide options for data encryption at rest
  • They require manual OS upgrades and security patches
  • They offer 99.999% availability by storing multiple replicas of the data (correct)
  • They cannot be allocated to availability sets or availability zones

What is the purpose of using availability sets and availability zones with Azure Managed Disks?

  • To increase the cost of the disks
  • To reduce the options for data encryption at rest
  • To increase the survivability of the disks in case of server, rack, or data center outages (correct)
  • To decrease the availability of the disks

Which of the following is not a type of Azure Managed Disk?

<p>Hybrid Disk (B)</p> Signup and view all the answers

What is the main benefit of Azure Managed Disks compared to physical disks?

<p>You don't need to worry about OS upgrades, security patches, and so on (D)</p> Signup and view all the answers

How do Azure Managed Disks achieve their high availability of 99.999%?

<p>By storing three different replicas of the data on different servers (A)</p> Signup and view all the answers

Which layer of techniques for efficient querying does partitioning belong to?

<p>Storage layer (C)</p> Signup and view all the answers

What is the primary challenge with changing partitions at a later stage?

<p>Data transfers, query modifications, and changes to applications (D)</p> Signup and view all the answers

What is the key consideration when designing a partition strategy?

<p>Maximizing query performance for the most critical queries (A)</p> Signup and view all the answers

What is the primary goal when designing partitions?

<p>Reducing data transfer between partitions (B)</p> Signup and view all the answers

Which of the following is NOT a technique mentioned in the text for efficient querying?

<p>Data deduplication (A)</p> Signup and view all the answers

What is the relationship between the three layers of techniques for efficient querying mentioned in the text?

<p>They are complementary and should be used in combination (D)</p> Signup and view all the answers

What is the command to create a new Azure file share named 'iacfileshare' under 'iacstorage'?

<p>share-rm create --resource-group IACRG --storage-account iacstorage --name iacfileshare (B)</p> Signup and view all the answers

How can you list the file shares of the storage account 'iacstorage'?

<p>az storage share list --account-name iacstorage (B)</p> Signup and view all the answers

Which option allows you to put a file into the file share 'iacfileshare'?

<p>az storage file upload --share-name iacfileshare --source ./testfile.txt (A)</p> Signup and view all the answers

What is the command to view the files in the file share 'iacfileshare'?

<p>az storage file list --share-name iacfileshare (D)</p> Signup and view all the answers

How can you download a file named 'testfile.txt' from the file share 'iacfileshare'?

<p>az storage file download --share-name iacfileshare -f testfile.txt -d ./testfile.txt (D)</p> Signup and view all the answers

Why is using the primary key not recommended in production systems for accessing storage?

<p>Primary keys are less secure and easily compromised. (D)</p> Signup and view all the answers

What is the primary advantage of using Azure VMs compared to traditional on-premises servers?

<p>Faster deployments and scalability (B)</p> Signup and view all the answers

What is the purpose of the Azure Marketplace in the context of Azure VMs?

<p>To provide a collection of OS flavors and versions that can be used to spin up VMs (D)</p> Signup and view all the answers

Which of the following VM types is NOT mentioned in the given text?

<p>Database-optimized (D)</p> Signup and view all the answers

What is the purpose of the 'Review + Create' and 'Submit' steps in the Azure portal VM creation process?

<p>To review the VM configuration and create the VM (C)</p> Signup and view all the answers

What is the primary difference between creating an Azure VM using the portal versus the CLI?

<p>The CLI offers more advanced configuration options for Azure VMs (B)</p> Signup and view all the answers

What is the primary purpose of Azure VM security patches and OS upgrades?

<p>To offload the responsibility of managing OS updates from the VM owner (B)</p> Signup and view all the answers

What is the primary reason for the explosion of data engineering jobs mentioned in the text?

<p>The rapid adoption of cloud-native technologies by companies (C)</p> Signup and view all the answers

What is the primary purpose of the book described in the text?

<p>To prepare readers for the DP-203: Azure Data Engineer Associate exam (A)</p> Signup and view all the answers

Which of the following Azure components is NOT mentioned in the text as being explored through real-world use cases?

<p>Azure Cosmos DB (B)</p> Signup and view all the answers

What is the primary audience for the book described in the text?

<p>Aspiring and experienced data engineers looking to obtain the DP-203 certification (C)</p> Signup and view all the answers

Which of the following is a key benefit of obtaining the DP-203: Azure Data Engineer Associate certification?

<p>It helps you stand out among other data engineering professionals (D)</p> Signup and view all the answers

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