Which rule ensures that a field must not be left empty?

How do you include the jQuery Validation Plugin in your HTML file?

A). Using a script tag

B). Using a link tag

C). Using an iframe

D). Using an embed tag

How can you display all error messages in one place instead of next to each field?

A). Use the errorSummary option

B). Use the errorLabel option

C). Use the errorContainer option

D). Use the errorList option

How can you make a field optional in jQuery Validation Plugin?

A). By not including it in the rules section

B). By setting the required rule to false

C). By using the optional rule

D). By setting the field type to optional

How do you specify a custom error message for a validation rule?

A). error: 'Message'

B). message: 'Message'

C). msg: 'Message'

D). messages: { fieldName: 'Message' }

What is the purpose of the remote rule in jQuery Validation Plugin?

A). To check field value uniqueness on the server

B). To validate field value against a regex

C). To prevent default action

D). To handle field validation on the client-side

Which option allows you to place error messages in a specific location?

A). errorPlacement

B). errorLocation

C). errorPosition

D). errorField

What is the primary purpose of form validation?

A). Enhance visual design

B). Secure data submission

C). Improve page load speed

D). Reduce server requests

Which jQuery plugin is commonly used for form validation?

A). jQuery UI

B). jQuery Mobile

C). jQuery Validation Plugin

D). jQuery Animate

How do you apply validation to only specific fields in a form?

A). By using the field selector

B). By using the field attribute

C). By specifying fields in the validate method

D). By using CSS classes

How can you prevent a form from being submitted if it is invalid?

A). By using the onsubmit option

B). By using the preventSubmit option

C). By using the blockSubmit option

D). By using the submitHandler option