please answer the question

QUESTION 6 A developer added a special function in a php file that will remove semicolons, dashes, quotes and comma from an input filed that accept a string data type. Which of the following attacks this function will help to stop? Input validation to protect against SQL injection. Padding to protect against string buffer overflows. Error handling to protect against website exploitation. Exception handling to protect against XSRF attack. QUESTION 7 An employer requires that employees use a key-generating app on their mobile phones to log into the company application. With reference to authentication factor, this authentication factor is defined as: O Something you do Something you know Something you have Something you are