Input Validation u0026 API Request Handling Quiz Quiz

1. Data Type Validation

   Which type of validation ensures that the received data conforms to the expected data type, such as integer, string, or boolean?

   1. Format Validation
   2. Data Type Validation
   3. Range Validation
   4. Presence Validation
   5. Content Validation

2. Error Code for Invalid Input

   Which HTTP status code is generally used to indicate that the server cannot process the request due to invalid or malformed client input?

   1. 400 Bad Request
   2. 500 Internal Server Error
   3. 200 OK
   4. 404 Not Found
   5. 403 Forbidden

3. Sanitization Technique

   What input validation technique removes or encodes characters that could be harmful, such as HTML tags or SQL injection attempts?

   1. Authentication
   2. Sanitization
   3. Authorization
   4. Normalization
   5. Filtering

4. Handling Missing Required Fields

   What validation is essential to confirm that all required fields in an API request are present and not empty before processing it?

   1. Range Validation
   2. Content Validation
   3. Presence Validation
   4. Type Validation
   5. Format Validation

5. Regular Expressions

   Which validation method uses patterns to verify if data conforms to a specific structure, such as an email address or phone number?

   1. Regular Expressions
   2. Blacklisting
   3. Whitelisting
   4. Encoding
   5. Decoding

6. Whitelisting vs Blacklisting

   Which input validation method is generally considered more secure: whitelisting or blacklisting?

   1. Neither are secure
   2. Blacklisting
   3. They are equally secure
   4. Whitelisting
   5. Depends on the application

7. Rate Limiting

   What technique limits the number of API requests a user can make within a specific timeframe to prevent abuse or denial-of-service attacks?

   1. Data Masking
   2. Rate Limiting
   3. Input Sanitization
   4. Output Encoding
   5. Input Validation

8. Format Validation Scenario

   Which validation is appropriate for ensuring a date string is in the correct format, such as 'YYYY-MM-DD'?

   1. Content Validation
   2. Presence Validation
   3. Type Validation
   4. Format Validation
   5. Range Validation

9. API Versioning Importance

   What is the primary reason for implementing API versioning when handling invalid or deprecated requests?

   1. To improve server performance
   2. To provide backward compatibility
   3. To simplify the codebase
   4. To reduce network traffic
   5. To enhance security measures

10. Custom Error Messages

    What's the benefit of providing custom, user-friendly error messages in API responses for invalid input?

    1. It reduces server load
    2. It simplifies debugging
    3. It improves the user experience
    4. It enhances security measures
    5. It reduces development costs