What is the purpose of using prepared statements when interacting with databases in PHP?
A). Preventing SQL Injection
B). Improving Performance
C). Encrypting Data
D). Enforcing Data Integrity
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 PHP function is commonly used to sanitize input data from a form to prevent XSS attacks?
A). htmlspecialchars()
B). htmlentities()
C). strip_tags()
D). filter_var()
What is the purpose of using HTTPS (HTTP Secure) in web applications?
A). Encrypting Data
B). Authenticating Users
C). Preventing XSS Attacks
D). Optimizing Page Load Speed
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 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 HTTP methods is considered safe and idempotent, making it suitable for form submissions?
A). POST
B). GET
C). PUT
D). DELETE
Which PHP function is used to generate a random CSRF token for form submissions?
A). bin2hex()
B). uniqid()
C). md5()
D). openssl_random_pseudo_bytes()
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 measure helps prevent form spamming by distinguishing between human users and bots?
A). CAPTCHA
B). HTTPS
C). CSRF Token
D). Two-Factor Authentication