4. Which of the following is true about a HashMap? (Note: More than one may be correct) (1 point) A Hash Map's Hash Function hashes (i.e. , returns an index) both the key and the value in the (key, value) pair. A Hash Map's Hash Function hashes (i.e. , returns an index) only the key in the (key, value) pair. A Hash Map's Hash Function hashes ie, returns an index) only the value in the (key, value) pair. One must know both the key and the value, in the (key, value) pair, when querying a Hash Map. 0 One must know only the key, in the (key, value) pairwhen querying a Hash Map. 0 One must know only the value, in the (key, value) pair, when querying a Hash Map