Describe the Messaging Techniques and Best Practices When Displaying Errors in User Interfaces. PLATFORM-DEVELOPER-II Practice Questions (Page 2)

Questions 6–10

1. 6foundation · easy

   Which of the following is a best practice when writing error messages for a user interface?

   • AUse technical jargon to be precise
   • BExplain what went wrong and how to resolve it
   • CDisplay the error only once at the top of the page
   • DKeep the message vague to avoid alarming the user
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2. 7application · medium

   A developer is working on a custom Lightning component that has a form with several required fields. When the user submits the form, the component should validate the fields and show errors. Which placement of error messages is the best practice?

   • AShow a modal dialog with a list of all errors.
   • BShow all errors in a single toast notification at the top of the page.
   • CShow an inline message next to each invalid field and a summary at the top.
   • DShow errors only when the user hovers over the field.
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4. 8application · medium

   A developer is building a custom Lightning component that allows users to enter a password. The password must be at least 8 characters and contain a number. When the user enters 'password', what is the best error message?

   • APassword is too weak.
   • BInvalid password.
   • CPassword must be at least 8 characters and contain a number.
   • DError: Password does not meet requirements.
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5. 9application · medium

   A developer is building a custom Lightning component that allows users to delete a record. The developer wants to confirm the user's intent before deleting, and then show the result of the deletion. Which messaging technique is best for the confirmation step?

   • AA modal dialog with 'Confirm' and 'Cancel' buttons.
   • BA browser alert() with 'OK' and 'Cancel'.
   • CAn inline message next to the delete button asking for confirmation.
   • DA toast notification asking 'Are you sure?'
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6. 10application · medium

   A developer is building a custom Lightning component that allows users to enter a discount percentage. The valid range is 0 to 50. When the user enters 75, what is the best error message?

   • AInvalid discount.
   • BDiscount must be between 0 and 50.
   • CPlease enter a number between 0 and 50.
   • DError: Value out of range.
   Reveal Solution Discussion Select an answer first