Test

4.2 Extbase Controllers and Actions

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Preguntas del test (19)

1Which statements about Extbase controllers are correct? (2)
1. AExtbase controllers are always interfaces
2. BEvery controller must directly extend the basis controller
  TYPO3\CMS\Extbase\Mvc\Controller\ActionController
3. CThe visibility of all properties should be protected
4. DAll method names in a controller must end in Action()
5. EThe logic implemented in controllers should be kept to a minimum
2What are the characteristics of the methods redirect() and forward() in a controller? (2)
1. AThe redirect() method requires the controller name of the target as an argument
2. BThe redirect() method initiates a new HTTP request
3. CThe forward() method transfers the request to the target action automatically
4. DThe forward() method changes the URL in the way that the action name appears
5. EThe redirect() and forward() methods both clear the cache
3What are the differences between the controller methods forward() and redirect()? (2)
1. AThere are no differences
2. BMethod $this->forward() is set as $this->request->setDispatched(false)
3. CMethod $this->redirect() initiates a new HTTP request; method $this->forward() does not
4. DMethod $this->forward() does not accept any arguments, $this->redirect() does
5. EMethod $this->redirect() renders a template by default; method $this->forward() does not
4How can you generate a HTTP status code 400? (2)
1. Adie(400, null, 'Bad Request.')
2. B$this->addError(400, null, 'Bad Request.')
3. Cnew \TYPO3\CMS\Extbase\Error\Error(400, null, 'Bad Request.')
4. D$this->throwStatus(400, null, 'Bad Request.')
5. EInstantiate a response object and set the status code as \GuzzleHttp\Psr7\Response(400)
5What are the characteristics of controllers? (2)
1. AControllers are the control and central processing unit in the MVC stack
2. BControllers are responsible for initialising domain models
3. CThe logic implemented in controllers should be kept to a minimum
4. DAll business logic should be implemented in controllers
5. EControllers validate all objects
6Which statements about “actions” in Extbase’s controller/action concept are correct? (3)
1. AAction methods are always static functions
2. BActions are public methods of a controller class
3. CNames of action methods always end in Action, for example listAction()
4. DEach action must be stored in a separate PHP file under Classes/Actions/
5. ETo be able to request an action of a plugin, the action has to be registered by using
  configurePlugin()
6. FAction methods must always return a string (this is the content shown in the frontend)
7How can a fallback to the default action be achieved, in order to prevent an error if a non-configured action is
called? (1)
1. AThis is the default behaviour of Extbase
2. BAn appropriate configuration in file ext_localconf.php is required
3. CThe TypoScript setting callDefaultActionIfActionCantBeResolved can be configured
4. DAn errorAction() method can be implemented in the controller
5. EThe key routing can be used in TypoScript
8How can a “Page Not Found” error message be displayed – HTTP code 404 – if a non-configured action is called? (1)
1. AThis is the default behaviour of Extbase
2. BAn appropriate configuration in the ext_localconf.php file is required
3. CThe TypoScript setting exceptionHandler can be configured
4. DAn errorAction() method can be implemented in the controller
5. EThe TypoScript setting throwPageNotFoundExceptionIfActionCantBeResolved can be configured
9Which approach is officially recommended to get an object in a controller? (1)
1. Ause \Vendor\MyExtension\Domain\Repository\TagRepository;
  ...
  $this->objectManager->get(TagRepository::class)
2. Buse \Vendor\MyExtension\Domain\Repository\TagRepository;
  ...
  $this->objectManager->create(TagRepository::class)
3. Cnew \Vendor\MyExtension\Domain\Repository\TagRepository
4. Duse \Vendor\MyExtension\Domain\Repository\TagRepository;
  ...
  $this->instanceManager->make(TagRepository::class)
5. Euse \TYPO3\CMS\Core\Utility\GeneralUtility;
  use \Vendor\MyExtension\Domain\Repository\TagRepository;
  ...
  GeneralUtility::makeInstance(TagRepository::class);
10Where is the Object Manager available as $this->objectManager by default? (2)
1. AIn repositories
2. BIn ViewHelpers
3. CIn Fluid templates
4. DIn controllers
5. EIn domain models

11Which statements about the view in a controller are correct? (2)
1. AYou can access the output of a view by using the method render()
2. BThe view can only be rendered at the end of an action method
3. CThe view is available in the action as $this->view
4. DTo prevent rendering the view, the action must return false
5. EIt is not possible to render a different view than the default one
12How do you prevent an action from being executed? (2)
1. AThe action can be omitted from the TypoScript key switchableControllerActions
2. BThe action can be omitted from the first array of the plugin configuration in file ext_localconf.php
3. CThe action can be omitted from the second array of the plugin configuration in file ext_localconf.php
4. DBy setting the attribute deactivate in file tables.php
5. EBy configuring the action in the page TS key deniedActions
13How can an invalid domain object $blog be accessed in an action new? (2)
1. AThis is always possible
2. BVia the initializeNewAction() method
3. CVia the errorNewAction() method
4. DVia the newAction() method if the annotation @ignorevalidation $blog is set
5. EVia the __destruct() method
14What is the purpose of the method errorAction() in a controller? (1)
1. AThis method is executed if an error in the controller occurs
2. BThis method is executed if an error in the view occurs
3. CThis method is executed before the primary action
4. DThis method is always executed after the primary action
5. EThis method is executed if a validation error in the controller occurs
15How can validation errors of an object $blog be accessed in a controller? (1)
1. AThis is not possible
2. BBy $blog->getErrors()
3. CBy $this->getErrors()
4. DBy $this->controllerContext->getRequest()->getErrors()
5. EBy $this->errors
16How can a non-persisting object be created from a GET request? (1)
1. AThis happens automatically if the object is passed to the method as a parameter in the action
2. BBy using the “Object Type Converter”
3. CBy manually executing convertArrayToObject() in the Property Mapper
4. DBy setting the property mapping in TypoScript
17What is the purpose of the following method in a controller? (2)

use \TYPO3\CMS\Core\Utility\ArrayUtility;
...
public function initializeAction()
{
$settings = [
...
];

ArrayUtility::mergeRecursiveWithOverrule(
$this->settings,
$settings
);
}
1. AFlexForm settings are merged with TypoScript settings
2. BCustom settings are merged with TypoScript settings
3. CAll empty values in the arrays, both $settings and $this->settings, are removed
4. DKeys with a value __UNSET in the array $settings unset array keys with the same name in the array $this->settings
18How do you retrieve the data of the current content object in Extbase? (1)
1. ABy accessing getContentObject()->data of the ConfigurationManager
2. BBy accessing $this->request->getContentObjectData()
3. CBy accessing $this->cObj->data
4. DBy accessing $this->cObj->cObjGetSingle()
19In which file are custom Type Converters registered? (1)
1. AFile ext_tables.php
2. BFile ext_localconf.php
3. CThe controller
4. DFile Configuration/TCA/table.php
5. EFile Configuration/TypoScript/setup.typoscript

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Descripción: El usuario ha eliminado su información de asignaturas Test sobre 4.2 Extbase Controllers and Actions, creado por Usuario eliminado el 27/04/2022.
Autor: Usuario eliminado
Idioma: English
Visitas: 20
Historial: Creado el 27 abr 2022 · actualizado el 27 abr 2022
Etiquetas: el usuario ha eliminado su información de asignaturas
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4.2 Extbase Controllers and Actions

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