What is the motivation behind SYN/FIN scanning?

What could be used to mitigate hash collisions?

A web application requires multifactor authentication when a user accesses the application from a home office but does not require this when the user is in the office. What access control model is this describing?

Which of the following resources is a knowledge base of real-world observed adversary tactics and techniques?

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?