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

Answer & Solution

Answer: Option B
Solution:
Validating form data helps prevent security vulnerabilities such as SQL injection, cross-site scripting (XSS), and form tampering.
Related Questions on Average

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 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 of the following is NOT a common input validation technique for form data?

A). Regular Expressions

B). Whitelisting

C). Blacklisting

D). Tokenization

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

A). SQL Injection

B). Form Spamming

C). Broken Authentication

D). Clickjacking

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 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 session management in web applications?

A). Maintaining User State

B). Encrypting Data

C). Preventing SQL Injection

D). Validating Form Data

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 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