What is the purpose of the grid system in Bootstrap 3?

• To provide a responsive and flexible layout for web pages.

• To improve the loading speed of web pages.

• To enhance the visual design of web pages.

• To provide a fixed layout for web pages.

How many columns are there in the Bootstrap 3 grid system?

• 6

• 8

• 10

• 12

What class is used to create a responsive, fluid container in Bootstrap 3?

• container-fixed

• container-fluid

• container-responsive

• container-fluidic

What is the default number of columns in a row in Bootstrap 3?

• 12

• 10

• 8

• 6

Which class is used to create a two-column layout in Bootstrap 3?

• col-md-4

• col-md-2

• col-md-8

• col-md-6

What is the purpose of the form-horizontal class in Bootstrap 3?

• To create a vertical form layout.

• To add styling to the form.

• To create a responsive form layout.

• To create a horizontal form layout.

Which class is used to create a button in Bootstrap 3?

• btn-primary

• button

• btn-default

• btn

How can you create a disabled button in Bootstrap 3?

• Add the 'disabled' class to the button element.

• Remove the 'enabled' class from the button element.

• Set the 'disabled' attribute to 'true' on the button element.

• Wrap the button element with a div and add the 'disabled' class to the div element.

What is the purpose of the navbar component in Bootstrap 3?

• The purpose of the navbar component in Bootstrap 3 is to display images.

• The purpose of the navbar component in Bootstrap 3 is to provide a navigation bar.

• The purpose of the navbar component in Bootstrap 3 is to style text.

• The purpose of the navbar component in Bootstrap 3 is to play audio files.

Which class is used to create a fixed navbar in Bootstrap 3?

• navbar-fixed-bottom

• navbar-fixed-top

• navbar-static-top

• navbar-default