In which type of cache does the application treats cache as the main data store, reads data from it and writes data to it? (I) Read Through/Write Through Cache (II) Cache-aside

In which type of cache does the application treats cache as the main data store, reads data from it and writes data to it? (I) Read Through/Write Through Cache (II) Cache-aside
A) I and II
B) I
C) II
D) None of the options