Testing MSIX app attach involves a number of steps or actions. From the below-given list, choose the step(s) that is/are not a part of testing the MSIX app attach. (Select all that are applicable)

Answer options:

A.Registration
B.Destage
C.Publish
D.None of these

Correct Answer: C 
MSIX app attach follows the below actions or steps: 

Option A is incorrect. Registration is part of testing the MSIX app attach and makes the application available for the user.
Option B is incorrect. Destage is a step of testing the MSIX app attach and removing the app from the computer.
Option C is correct. You don`t publish the application in the test phase.
Option D is incorrect. Publish is not a stage in testing the MSIX app attach.
Reference: 
To know more about the MSIX app attach, please visit the below-given link: 

https://docs.microsoft.com/en-us/learn/modules/m365-wvd-application-management/3-what-is-msix-app-attach?ns-enrollment-type=LearningPath&ns-enrollment-id=learn-m365.windows-virtual-desktop