5. Which PHP function is commonly used to sanitize input data from a form to prevent XSS attacks?

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()

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 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 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

What is the purpose of session management in web applications?

A). Maintaining User State

B). Encrypting Data

C). Preventing SQL Injection

D). Validating Form Data

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

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

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 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