Hi, the photo doesn’t show the question on what to answer, all I see are empt boxes, if you message me the question I will answer it for you!
Answer:
First we understand what is hash function.A hash function is mostly used in Hashmaps. It maps different keys to a set of values.There may occur a case when we have same key but different values.This case is called collision.So we have to use different collision handling techniques that are open addressing and separate chaining.
A perfect hash function maps key-value pair such that there are no collisions.
The answer is b becuase a daily blog is a daily journal
