Because u r trying to access a private source which are constraint to GCP only. But if u wish to know that status of one of your micro instance in GCP then u need the public IP of that machine... (More)
Write-Host writes directly to the console, so the output can't be redirected/processed any further. But echo helps to process the output through pipeline or can be redirected into files.
Yes, u can use the disable option. If u wish to remove the previously enabled settings for any prohibit access to control panel or for some specified items in the control panel then off course u can disable it.