Answer:
The answer is D, to preserve a copy of all the information from the original data segment.
Explanation:
The Hash function by description or definition is a IT tool or programming code used in in carving out specific set of information out of a whole array of database. This way it is easier to search for data or information in time of need.
In python programming language, the Indexing and slicing function can be classified or used as an example to illustrate the hash function such that when you need to recall an object, integer or script in your database you simply use the hash function.
