Input Validation for ASP.NET Core CASENET Practice Questions (Page 4)

Questions 16–20

1. 16foundation · easy

   What is the primary reason input validation is essential in an ASP.NET Core application?

   • AIt eliminates the need for output encoding in views.
   • BIt automatically encrypts data transmitted between client and server.
   • CIt prevents malformed or malicious data from being processed by the application.
   • DIt improves the performance of data-binding operations.
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2. 17foundation · easy

   How can you customize the error message displayed for a data annotation attribute?

   • ABy adding a comment above the property.
   • BBy modifying the model class name.
   • CBy changing the controller action name.
   • DBy setting the ErrorMessage property on the attribute.
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4. 18foundation · easy

   Which script libraries are typically required for unobtrusive client-side validation in ASP.NET Core Razor views?

   • AAngular and Zone.js
   • BBootstrap and Popper.js
   • CjQuery and jQuery.Validation
   • DReact and ReactDOM
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5. 19foundation · easy

   How does input validation help prevent SQL injection attacks?

   • ABy disabling SQL commands in the application.
   • BBy rejecting input that does not match expected patterns, such as non-numeric characters in an ID field.
   • CBy automatically escaping all user input before storing it in the database.
   • DBy encrypting the database connection string.
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6. 20foundation · easy

   When ModelState.IsValid is false in a controller action, what is an appropriate response?

   • AThrow an exception to stop execution.
   • BReturn the view with the current model to display errors.
   • CReturn a 204 No Content status.
   • DRedirect to the home page.
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