Answer:
Null(00) is the correct answer to the following blank.
Step-by-step explanation:
Because when we changing the plain text into the hexadecimal then, we have to place null(00) to use with pro-discover in the middle of each and every hexadecimal value. We use null(00) because the null value contains 0(zero) or having no value.
So, that's why the following answer i.e., null(00) is true.