What are the primary operations of a hash table?

What are the primary operations of a hash table?

• A. Hash table stores data in a pre-sized array without keys.
• B. Hash table maps keys to values using a hash function; supports push and pop.
• C. Hash table stores data in a sorted linked list without hashing.
• D. A hash table maps keys to values using a hash function and supports insert, lookup, and delete.

Answer: (D)