Given the dynamic array list named "a" below, which has a size of 5 (containing elements 1-5) and has a capacity of 8 : Indicate which of the following operations would be valid and which would produce an error. Assume that each operation starts with a fresh copy of the dynamic array list as the picture above. Q1.1 1 Point Insert an element at index 6. Valid Invalid / Error Q1.2 1 Point Insert an element at index 4 , then another at index 6. Valid Invalid / Error 1 Point Remove the element at index 4. Valid Invalid / Error Q1.4 1 Point Remove an element from index 1 , then remove an element from index 4. Valid Invalid / Error