Cloud bursting can alleviate which of the following attacks?

Which of the following access control types would give a system administrator the ability to assign access according to least privilege?

A systems administrator is configuring updates on a system. Which of the following update branches should the administrator choose to ensure the system receives updates that are maintained for at least four years?

A company still has several dedicated servers and wants to migrate them to its private cloud.
Which of the following migration methods would be BEST to accomplish this goal?

A systems administrator recently deployed a VDI solution in a cloud environment; however, users are now experiencing poor rendering performance when trying to display 3-D content on their virtual desktops, especially at peak times.
Which of the following actions will MOST likely solve this issue?