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
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()
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 NOT a common input validation technique for form data?
A). Regular Expressions
B). Whitelisting
C). Blacklisting
D). Tokenization
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()
Which of the following is NOT a common security vulnerability associated with file uploads in web applications?
A). File Inclusion
B). File Upload Vulnerability
C). Path Traversal
D). Cross-Site Request Forgery
Which PHP function is commonly used to validate email addresses submitted through a form?
A). filter_var()
B). preg_match()
C). validate_email()
D). email_check()
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 a common security vulnerability associated with form data submission?
A). SQL Injection
B). Form Spamming
C). Broken Authentication
D). Clickjacking
What does XSS stand for in the context of web security?
A). Cross-Site Scripting
B). XML Secure Socket
C). External Server Session
D). Cross-Site Sanitization