Which PHP function is commonly used to sanitize input data from a form to prevent SQL injection?
A). mysqli_real_escape_string()
B). htmlspecialchars()
C). filter_var()
D). htmlentities()
Which of the following is a best practice for preventing SQL Injection when executing SQL queries in PHP?
A). Use Parameterized Queries
B). Store Passwords in Plain Text
C). Use addslashes() Function
D). Disable Error Reporting
Which PHP function is commonly used to check if a form field is empty?
A). empty()
B). isset()
C). is_empty()
D). is_null()
What security mechanism prevents Cross-Site Request Forgery (CSRF) attacks by generating and validating unique tokens for each form submission?
A). CSRF Token
B). Session Management
C). Secure Cookies
D). HTTPS
Which HTTP header instructs web browsers to limit the scope of cookies to a specific domain?
A). SameSite
B). Cache-Control
C). Access-Control-Allow-Origin
D). Content-Security-Policy
Which of the following HTTP methods is considered safe and idempotent, making it suitable for form submissions?
A). POST
B). GET
C). PUT
D). DELETE
What is the purpose of input validation in web forms?
A). Ensuring Data Integrity
B). Enhancing User Experience
C). Preventing XSS Attacks
D). Enforcing Password Policies
Which of the following is a secure method for storing passwords in a database?
A). Hashing
B). Encryption
C). Salting
D). All of the above
Which of the following is NOT a common input validation technique for form data?
A). Regular Expressions
B). Whitelisting
C). Blacklisting
D). Tokenization
Which of the following is a common security vulnerability associated with form data submission?
A). SQL Injection
B). Form Spamming
C). Broken Authentication
D). Clickjacking