The IT instructors at Superior Technical College are planning to use virtual machines in a windows server 2016 course. the course is divided into four units, with several activities planned for each unit. Students' virtual machines are checked and graded at the end of each unit. The problem is that errors made in early units could make it difficult to perform certain tasks in later units. Create a short report explaining how instructors could use a combination of snapshots and linked clones so that students can have a new virtual machine for each unit of the class.