Out of the following which one can be considered as a possible solutions for SQL injection vulnerability?

  1. Data Validation

  2. Secure Cookies

  3. Encryption

  4. Comprehensive exception handling


Correct Option: A
Explanation:

To solve this question, the user needs to understand the concept of SQL injection and the methods to prevent it.

SQL injection is a type of vulnerability that allows an attacker to insert malicious SQL code into a database query. This can result in unauthorized access to sensitive data, modification of data, or even the deletion of data. To prevent SQL injection attacks, various methods can be used.

Now, let's go through each option and explain why it is right or wrong:

A. Data Validation: This option is correct. Data validation is a technique used to ensure that the data entered by the user is in the correct format. By validating the user input, it is possible to prevent SQL injection attacks as the malicious SQL code will not be executed.

B. Secure Cookies: This option is incorrect. Secure cookies are used to prevent session hijacking and cross-site scripting attacks. However, they have no effect on SQL injection attacks.

C. Encryption: This option is incorrect. Encryption is used to protect data in transit and at rest. However, it does not prevent SQL injection attacks.

D. Comprehensive exception handling: This option is incorrect. Comprehensive exception handling is used to handle errors and exceptions that occur during program execution. It does not prevent SQL injection attacks.

The Answer is: A

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