Groovy and Grails Groovy and Grails Web Development & MVC 3

Question 1

Which Grails filter/interceptor mechanism is used to run logic before or after controller actions?

Accepted Answer

Interceptors

Answer

Servlet filter

Answer

Middleware

Answer

Before-advice

Question 2

In a Grails GSP, how do you output the value of a Groovy expression?

Accepted Answer

${expression}

Answer

<%= expression %>

Answer

<g:out value='expression'/>

Answer

Question 3

What does the `respond` method in a Grails controller do differently from `render`?

Accepted Answer

It performs content negotiation to return JSON, XML, or HTML based on the request

Answer

It only renders HTML

Answer

It sends binary file downloads

Answer

It always returns HTTP 201

Question 4

Which Grails command generates a controller and its associated views for a domain class?

Accepted Answer

grails generate-all

Answer

grails create-controller

Answer

grails scaffold

Answer

grails create-views

Question 5

In Grails, what is the default HTTP method mapped to a controller action named `save`?

Accepted Answer

POST

Answer

GET

Answer

PUT

Answer

DELETE

Question 6

Which Grails plugin provides Spring Security integration for authentication and authorization in web applications?

Accepted Answer

spring-security-core

Answer

grails-security-core

Answer

grails-shiro

Answer

grails-auth-plugin