You work in a cloud-based company where you have been assigned a task to manage files and directories in Azure Data Lake Storage Gen2. You need to create a directory named first-directory. Which of the following cmdlet would you use in PowerShell?

Answer options:

A.New-AzDataLakeGen2Item
B.NewDirectory-AzDataLakeGen2Item
C.New-Dir-AzDataLakeGen2Item
D.Create_directory-AzDataLakeGen2Item

Correct Answer: A 
A directory reference can be created with cmdlet New-AzDataLakeGen2Item in PowerShell. 
The following example shows how a directory first-directory can be added to the container. 
$filesystemName = "myfirst-file-system" 
$dirname = "first-directory/" 
New-AzDataLakeGen2Item -Context $ctx -FileSystem $filesystemName -Path $dirname -Directory
Option A is correct. New-AzDataLakeGen2Item cmdlet is used to create a directory.
Option B is incorrect. There is no command like NewDirectory-AzDataLakeGen2Item.
Option C is incorrect. There is no command like New-Dir-AzDataLakeGen2Item.
Option D is incorrect. Cmdlet New-AzDataLakeGen2Item, not Create_directory-AzDataLakeGen2Item is used to create a directory.
Reference: 
To know more about managing files and directories using PowerShell, please visit the below-given link: 

https://docs.microsoft.com/en-us/azure/storage/blobs/data-lake-storage-directory-file-acl-powershell#manage-access-control-lists-acls