Explanation
When a host is placed in Network Containment, the host machine is unable to send or receive network traffic except to/from the Falcon Cloud and any resources allowlisted in the Containment Policy. This allows users to isolate a host from the network, while still allowing it to communicate with the Falcon Cloud and other essential services. The other options are either incorrect or not true of Network Containment.
Reference: CrowdStrike Falcon User Guide, page 40.

Explanation
The Falcon Host Administrator role is required to manage groups and policies in Falcon. This role allows users to create, edit and delete groups and policies, as well as assign them to hosts. The other roles do not have this capability. Reference: [CrowdStrike Falcon User Guide], page 17.

Explanation
There are three "Auto" sensor version update options available for Windows Sensor Update Policies: Auto - N-1, Auto - TEST-QA and Auto - Latest. These options allow the administrator to automatically update the sensor version to the previous stable version, the latest test version or the latest stable version, respectively.
Reference: [CrowdStrike Falcon User Guide], page 38.