Searches a table for redundant data, and when found, suggests how to split the table into two or more related tables

Pretexting is a method of social engineering that can be stopped by both users and antiphishing programs

Indicate whether the statement is true or false

Which of the following statements is true?

a. Using existing exceptions makes the program less robust. b. Always create your own exception classes. c. Like any other class, an exception class can contain fields and methods. d. The new exception class should extend RuntimeException if the program should be required to handle the exception.