To answer this question, you need to understand the concept of a Checkpoint and its purpose.
A Checkpoint is a verification point that is used to verify the properties or characteristics of an object in a software application. It checks whether the expected properties of an object are present or not.
Option A) Accessibility - This option is incorrect because accessibility is related to ensuring that a software application is usable by individuals with disabilities.
Option B) Text Area - This option is correct because a Checkpoint that checks whether a text string is displayed within a defined area in a Windows application is called a Text Area Checkpoint. It verifies that the text is displayed correctly within a specific area or field.
Option C) Standard - This option is incorrect because "Standard" is a generic term and does not specifically refer to a Checkpoint that checks for a text string within a defined area.
Option D) Text - This option is incorrect because "Text" is a generic term and does not specifically refer to a Checkpoint that checks for a text string within a defined area.
The correct answer is Option B) Text Area. This option is correct because a Text Area Checkpoint is used to check whether a text string is displayed within a defined area in a Windows application.