Which method prevents the default form submission if validation fails?

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' }

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

A). minlength

B). maxlength

C). required

D). email

What does the equalTo rule validate?

A). Field value must be unique

B). Field value must be a number

C). Field value must match another field

D). Field value must be an email address

What is the default event that triggers form validation in the jQuery Validation Plugin?

A). onSubmit

B). onBlur

C). onChange

D). onFocus

How can you add a custom validation method using the jQuery Validation Plugin?

A). $.validator.custom()

B). $.validator.addMethod()

C). $.validator.newMethod()

D). $.validator.create()

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 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

What is the correct way to specify validation rules in the jQuery Validation Plugin?

A). rules: { fieldName: rule }

B). fields: { rule: fieldName }

C). options: { fieldName: rule }

D). validate: { rule: fieldName }

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