When are Group Policy Objects (GPOs) NOT applied automatically to workstations?

A folder D:\Files\Marketing has the following NTFS permissions:
* Administrators: Full Control
* Marketing: Change and Authenticated
* Users: Read
It has been shared on the server as "MARKETING", with the following share permissions:
* Full Control share permissions for the Marketing group
Which of the following effective permissions apply if a user from the Sales group accesses the \
\FILESERVER\MARKETING shared folder?

What technical control provides the most critical layer of defense if an intruder is able to bypass all physical security controls and obtain tapes containing critical data?

If you do NOT have an original file to compare to, what is a good way to identify steganography in potential carrier files?

Which of the following SIP methods is used to setup a new session and add a caller?