What are typical characteristics of the Desktop Assistant cache? Note: There are 3 correct answers to this question.

What are typical characteristics of the Desktop Assistant cache? Note: There are 3 correct answers to this question.
A . It reduces the network load.
B. Only requested files will be cached.
C. The update frequency cannot be changed.
D. When a new Desktop Assistant version is installed, the cache must be deleted manually on every end user machine.
E. The lesson.js date is the base for the cache update.

Answer: A,B,E