To view the Kerberos tickets issued to the server in a SharePoint Server farm, you should run the klist.exe command. Klist.exe is a command-line tool that allows you to manage and display Kerberos tickets. The other options, such as stsadm.exe, Get-SPAuthenticationRealm, and Get-SPAppAcquisitionConfiguration, do not provide the functionality to view Kerberos tickets.
To ensure that Group1 can create and edit term set hierarchies in a term set group named TermGroup1, the best role to assign is 'Contributors for TermGroup1.' Contributors have the specific permissions required to manage term sets, including creating and editing term set hierarchies. This role aligns with the principle of least privilege by granting just enough access to perform the needed tasks without providing unnecessary administrative permissions.