Q
What security measure helps prevent form spamming by distinguishing between human users and bots?

Answer & Solution

Answer: Option A
Solution:
CAPTCHA (Completely Automated Public Turing test to tell Computers and Humans Apart) presents challenges that are easy for humans to solve but difficult for bots, preventing automated form submissions.
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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 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

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A). Regular Expressions

B). Whitelisting

C). Blacklisting

D). Tokenization

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

What is the primary purpose of form data validation in web applications?

A). Enhancing user experience

B). Preventing security vulnerabilities

C). Optimizing server performance

D). Improving search engine ranking

What is the purpose of session management in web applications?

A). Maintaining User State

B). Encrypting Data

C). Preventing SQL Injection

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Which of the following is a common security vulnerability associated with form data submission?

A). SQL Injection

B). Form Spamming

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What security mechanism prevents Cross-Site Request Forgery (CSRF) attacks by generating and validating unique tokens for each form submission?

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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()