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

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

A). errorPlacement

B). errorLocation

C). errorPosition

D). errorField

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

Which method is used to initialize form validation with the jQuery Validation Plugin?

A). .validate()

B). .check()

C). .verify()

D). .init()

What is the purpose of the highlight option in jQuery Validation Plugin?

A). To change the color of valid fields

B). To change the color of invalid fields

C). To add a CSS class to valid fields

D). To add a CSS class to invalid fields

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 method prevents the default form submission if validation fails?

A). submitHandler: function(form)

B). beforeSubmit: function(form)

C). onError: function(form)

D). preventSubmit: function(form)

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 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

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

A). minlength

B). maxlength

C). required

D). email

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' }