Using Material UI Components CBA Practice Questions (Page 3)

Questions 11–15

1. 11foundation · easy

   A Backstage plugin developer wants to apply a one-off margin and background color to a Material UI component without creating a separate style class. Which Material UI styling approach is most appropriate for this inline, component-level customization?

   • AThe theme object
   • BThe sx prop
   • CA global CSS file
   • DmakeStyles
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2. 12foundation · easy

   In a Backstage plugin, a developer wants to ensure that Material UI components automatically use the same color palette and typography as the rest of the Backstage application. What is the primary mechanism that provides these theme values to components?

   • AmakeStyles
   • BThe sx prop
   • CThe ThemeProvider
   • DThe CssBaseline component
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4. 13foundation · easy

   A Backstage plugin developer needs to define a set of reusable style rules for a custom component that will be used in multiple places. Which Material UI styling solution is best suited for creating and reusing these styles?

   • AThe sx prop
   • BInline style attribute
   • CCSS modules
   • DmakeStyles
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5. 14application · medium

   A developer wants to create a reusable styled Button for their plugin that has a custom border radius and font weight, but should still inherit the primary color from the Backstage theme. Which approach is the most maintainable?

   • AUse the sx prop on every Button instance in the plugin.
   • BOverride the theme's components.MuiButton styleOverrides to apply the custom border radius and font weight globally.
   • CUse makeStyles to define a class and apply it to each Button.
   • DUse the styled() utility to create a custom Button component with the desired CSS properties.
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6. 15expert · hard

   A Backstage admin has customized the theme to use a dark primary color. They notice that some third-party plugins use the default MUI theme instead of the custom one, making those plugins look out of place. The admin wants to ensure all plugins, including third-party ones, use the custom theme. What is the most effective way to achieve this?

   • AOverride the third-party plugins' styles using a global CSS stylesheet.
   • BModify the third-party plugins' source code to import the custom theme.
   • CEnsure the custom theme is passed to the ThemeProvider at the app root, and verify that the third-party plugins are rendered within the app's component tree.
   • DUse a custom ThemeProvider that wraps the entire app and forces the theme on all children, regardless of their origin.
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