You have an AVD host pool. You have been asked to troubleshoot an issue for a Remote Desktop client for Windows 10 client that stopped responding and can’t be opened. You need to delete the user data, restore the default settings, and unsubscribe from all Workspaces. 
Which of the following commands would you run?

Answer options:

A.Nslookup
B.msrdcw
C.reset_remote_client
D.mstsc

Correct Answer: B 
If a Remote Desktop Client for Windows 7 or 10 stops responding and can’t be opened, you can fix it by using the msrdcw.exe /reset [/f] command. It will delete your user data, restore the default settings, and unsubscribe from all Workspaces.
Option A is incorrect. nslookup is used to confirm DNS could resolve the FQDN.
Option B is correct. msrdcw is the right command to fix the issues related to non-responding of Remote Desktop Client for Windows 7 or 10.
Option C is incorrect. reset_remote_client is not a valid command.
Option D is incorrect. MSTSC is used to run Remote Desktop (RDP) in windows.
Reference: 
To know more about how to Troubleshoot the Remote Desktop client, please visit the below-given link: 

https://docs.microsoft.com/en-us/azure/virtual-desktop/troubleshoot-client