Which folder contains the controllers in CodeIgniter?

• /views
• /models
• /controllers
• /config

What architecture does CodeIgniter follow?

• MVVM
• MVC
• MVP
• MVW

What file is used to configure database settings?

• database.php
• db.php
• config.php
• routes.php

Which method loads a view in a controller?

• $this->view()
• $this->load->view()
• $this->load_view()
• $this->show_view()

What is the default controller file name in CodeIgniter?

• home.php
• index.php
• welcome.php
• main.php

Which method allows defining custom routes?

• $route['name'] = 'controller/method';
• $route->set('name', 'controller/method');
• $this->route->add('name', 'controller/method');
• $route->define('name', 'controller/method');

How to pass data from controller to view?

• Using $this->load->data()
• Using $this->load->view('view', $data)
• Using $this->view->set_data($data)
• Using $this->data->load()

Which method deletes a session variable?

• $this->session->unset_userdata('key')
• $this->session->delete('key')
• $this->session->remove('key')
• $this->session->destroy('key')

What does the ‘autoload.php’ file do?

• Autoloads libraries, helpers, and models
• Autoloads only controllers
• Autoloads only views
• Autoloads database drivers only

Which helper assists with URL creation?

• url_helper
• form_helper
• html_helper
• cookie_helper

What is the default namespace for controllers in CodeIgniter 4?

• App\Controllers
• Controllers\App
• CodeIgniter\Controllers
• App\Libraries

Which feature allows you to autoload classes based on namespaces?

• PSR-4 Autoloading
• Classmap Autoloading
• Legacy Autoloading
• Composer Autoloading

What are entities in CodeIgniter 4 used for?

• Represent data models with getters and setters
• Manage views
• Handle routing
• Store session data

What is a migration in CodeIgniter?

• A class to manage database schema changes
• A form validation rule
• A type of controller
• A session method

Which command rolls back the last migration?

• php spark migrate:rollback
• php spark rollback:migrate
• php spark migrate:reset
• php spark rollback