configuration_parameters.yaml

questions:
  -
    uuid: 1eebf878-8b97-61c4-b7c2-99d84c92580c
    question: 'What are the correct ways to parse the 1983-07-01 date into an DateTime object?'
    answers:
      - { value: "Yaml::parse('1983-07-01', 32)", correct: false }
      - { value: "Yaml::parse('1983-07-01', Yaml::PARSE_DATETIME)", correct: true }
      - { value: "Yaml::parse('1983-07-01', true)", correct: false }
      - { value: "Yaml::parse('1983-07-01', false)", correct: false }
      - { value: "Yaml::parse('1983-07-01')", correct: true }
      - { value: "Yaml::parse('1983-07-01', Yaml::DATETIME)", correct: false }
    help: 'https://symfony.com/doc/current/components/yaml.html#date-handling'
  -
    uuid: 1eebf878-8b98-6c4a-af97-99d84c92580c
    question: 'Which methods don''t belong to Symfony\Component\Config\Definition\Builder\ExprBuilder?'
    answers:
      - { value: else, correct: true }
      - { value: ifInteger, correct: true }
      - { value: thenSet, correct: true }
      - { value: thenValid, correct: true }
      - { value: ifEmpty, correct: true }
      - { value: ifArray, correct: false }
      - { value: then, correct: false }
      - { value: ifString, correct: false }
    help: 'https://symfony.com/doc/current/components/config/definition.html#validation-rules'
  -
    uuid: 1eebf878-8b9d-6556-bb01-99d84c92580c
    question: 'Which of the following are validation rules provided by Symfony\Component\Config\Definition\Builder\ExprBuilder?'
    answers:
      - { value: ifInArray(), correct: true }
      - { value: ifString(), correct: true }
      - { value: ifNull(), correct: true }
      - { value: ifArray(), correct: true }
      - { value: always(), correct: true }
      - { value: ifTrue(), correct: true }
      - { value: never(), correct: false }
      - { value: ifNotNull(), correct: false }
      - { value: ifNotInArray(), correct: true }
    help: 'https://symfony.com/doc/current/components/config/definition.html#validation-rules'
  -
    uuid: 1eebf878-8b9e-6e60-b63b-99d84c92580c
    question: 'Which of these configuration node types are available?'
    answers:
      - { value: scalar, correct: true }
      - { value: array, correct: true }
      - { value: enum, correct: true }
      - { value: string, correct: false }
    help: 'https://symfony.com/doc/current/components/config/definition.html#node-type'
  -
    uuid: 1eebf878-8b9e-6eb0-9f6e-99d84c92580c
    question: 'Which of these methods are existing?'
    answers:
      - { value: useAttributeAsKey(), correct: true }
      - { value: isRequired(), correct: true }
      - { value: cannotBeEmpty(), correct: true }
      - { value: setDefaultValue(), correct: false }
      - { value: setValidation(), correct: false }
    help: 'https://symfony.com/doc/current/components/config/definition.html'
  -
    uuid: 1eebf878-8b9e-6f00-8f11-99d84c92580c
    question: 'Which class is used to define hierarchy of configuration values?'
    answers:
      - { value: Symfony\Component\Config\Definition\Builder\TreeBuilder, correct: true }
      - { value: Symfony\Component\Config\Definition\Builder\HierarchyBuilder, correct: false }
      - { value: Symfony\Component\Config\Definition\Builder\NodeBuilder, correct: false }
      - { value: Symfony\Component\Config\Definition\Builder\Builder, correct: false }
    help: 'https://symfony.com/doc/current/components/config/definition.html#defining-a-hierarchy-of-configuration-values-using-the-treebuilder'
  -
    uuid: 1eebf878-8ba1-6a98-afae-99d84c92580c
    question: 'Which of the following values are available to define a null element in YAML ?'
    answers:
      - { value: '-', correct: false }
      - { value: 'null', correct: true }
      - { value: '~', correct: true }
      - { value: 'false', correct: false }
    help: 'https://symfony.com/doc/current/components/yaml/yaml_format.html#nulls'
  -
    uuid: 1eebf878-8ba2-634e-8082-99d84c92580c
    question: "Is the following code valid?$value = Yaml::parse(file_get_contents('/path/to/file.yml'));"
    answers:
      - { value: 'Yes', correct: true }
      - { value: 'No', correct: false }
    help: 'https://symfony.com/doc/current/components/yaml/introduction.html#reading-yaml-files'
  -
    uuid: 1eebf878-8ba2-6b14-854d-99d84c92580c
    question: 'Given a deprecated service, does using the %service_id% placeholder required in the deprecation message?'
    answers:
      - { value: 'No', correct: false }
      - { value: 'Yes', correct: true }
    help: 'https://symfony.com/doc/current/service_container/alias_private.html#deprecating-services'
  -
    uuid: 1eebf878-8ba3-610e-89e4-99d84c92580c
    question: 'What is the purpose of the logging: true option in the translator config?'
    answers:
      - { value: 'Log a message when the given local is not configured.', correct: false }
      - { value: 'Log a message when Symfony translate a string in the given locale.', correct: false }
      - { value: 'Translate all log messages in the default locale.', correct: false }
      - { value: "Log a message when Symfony doesn't find a translation for the given locale.", correct: true }
    help: 'https://symfony.com/doc/current/reference/configuration/framework.html#logging'
  -
    uuid: 1eebf878-8ba3-6406-a1e6-99d84c92580c
    question: 'What is the 2nd argument of Symfony\Component\Config\ConfigCacheFactory::cache method ?'
    answers:
      - { value: 'A boolean to set the debug mode', correct: false }
      - { value: 'An array of options', correct: false }
      - { value: 'A callback executed if the cache has to be refreshed', correct: true }
      - { value: 'The resource filename', correct: false }
    help: 'https://github.com/symfony/symfony/blob/6.4/src/Symfony/Component/Config/ConfigCacheFactory.php'
  -
    uuid: 1ef80078-f45b-64da-8d99-253d4466d548
    question: 'In which file is the APP_ENV variable defined to choose the active environment for the application in Symfony?'
    answers:
      - { value: config/packages/framework.yaml, correct: false }
      - { value: .env, correct: true }
      - { value: services.yaml, correct: false }
      - { value: composer.json, correct: false }
    help: 'https://symfony.com/doc/7.0/configuration.html'
  -
    uuid: 1ef8007c-6a77-6666-acda-f97fd898b2ef
    question: 'What is the command to run a Symfony task in a specific environment without modifying the .env file?'
    answers:
      - { value: 'php bin/console --env=prod <command>', correct: false }
      - { value: 'APP_ENV=prod php bin/console <command>', correct: true }
      - { value: 'php bin/console env:prod <command>', correct: false }
      - { value: 'php bin/console set-env prod', correct: false }
    help: 'https://symfony.com/doc/7.0/configuration.html'
  -
    uuid: 1ef8007f-1f7a-6606-9139-fd4c956a4883
    question: 'What syntax is used to reference an environment variable in a YAML configuration file?'
    answers:
      - { value: '%env(VAR_NAME)%', correct: true }
      - { value: '${VAR_NAME}', correct: false }
      - { value: '{{ env(VAR_NAME) }}', correct: false }
      - { value: '#env(VAR_NAME)#', correct: false }
    help: 'https://symfony.com/doc/7.0/configuration.html'
  -
    uuid: 1ef80081-4f13-63a2-98e6-8390f97f5219
    question: 'If an environment variable is not defined, how can you specify a default value in a YAML file?'
    answers:
      - { value: 'Use env_default(VAR_NAME)', correct: true }
      - { value: 'Add a comment in the YAML file', correct: false }
      - { value: "Use the syntax env(VAR_NAME): 'default_value", correct: false }
      - { value: "it's impossible", correct: false }
    help: 'https://symfony.com/doc/7.0/configuration.html'
  -
    uuid: 1ef80083-fdc1-6582-9335-8bef89e3c7cf
    question: 'Where should you store environment variables that are specific to the local machine?'
    answers:
      - { value: .env, correct: false }
      - { value: .env.local, correct: true }
      - { value: .env.test, correct: false }
      - { value: services.yaml, correct: false }
    help: 'https://symfony.com/doc/7.0/configuration.html'
  -
    uuid: 1ef800ab-a2bc-6128-be2b-511459a79806
    question: 'Which command improves performance in production by generating a .env.local.php file for environment variables?'
    answers:
      - { value: 'composer dump-env prod', correct: true }
      - { value: 'php bin/console env:dump', correct: false }
      - { value: 'php bin/console cache:clear', correct: false }
      - { value: 'php bin/console debug:dotenv', correct: false }
    help: 'https://symfony.com/doc/7.0/configuration.html#configuring-environment-variables-in-production'
  -
    uuid: 1ef800b1-26f6-6af6-9606-5f6d32804220
    question: 'How do you define a boolean parameter in Symfony?'
    answers:
      - { value: "app.enable_feature: 'true'", correct: false }
      - { value: 'app.enable_feature: true', correct: true }
      - { value: "app.enable_feature: '1'", correct: false }
      - { value: 'app.enable_feature: 1', correct: false }
    help: 'https://symfony.com/doc/7.0/configuration.html#configuration-parameters'
  -
    uuid: 1ef800b3-83c5-66cc-9f57-0dd23eb3ffa6
    question: 'Which of the following is a correct way to define an array parameter?'
    answers:
      - { value: "app.supported_locales: 'en, es, fr'", correct: false }
      - { value: "app.supported_locales: ['en', 'es', 'fr']", correct: true }
      - { value: 'app.supported_locales: en, es, fr', correct: false }
      - { value: 'app.supported_locales: {en, es, fr}', correct: false }
    help: 'https://symfony.com/doc/7.0/configuration.html#configuration-parameters'
  -
    uuid: 1ef800b7-4d9d-6e06-8aa3-e1c5a7eff6e4
    question: 'How do you define a binary content parameter in Symfony?'
    answers:
      - { value: "app.binary_data: 'VGhpcyBpcyBhIEJlbGwgY2hhciAH'", correct: false }
      - { value: 'app.binary_data: !!binary VGhpcyBpcyBhIEJlbGwgY2hhciAH', correct: false }
      - { value: 'app.binary_data: !binary VGhpcyBpcyBhIEJlbGwgY2hhciAH', correct: true }
      - { value: 'app.binary_data: binary:VGhpcyBpcyBhIEJlbGwgY2hhciAH', correct: false }
    help: 'https://symfony.com/doc/7.0/configuration.html#configuration-parameters'
  -
    uuid: 1ef800ba-c8df-6d82-a0bb-353743b6c517
    question: 'What syntax is used to reference a parameter in configuration files?'
    answers:
      - { value: '${app.admin_email}', correct: false }
      - { value: app.admin_email, correct: false }
      - { value: '%app.admin_email%', correct: true }
      - { value: '@app.admin_email@', correct: false }
    help: 'https://symfony.com/doc/7.0/configuration.html#configuration-parameters'
  -
    uuid: 1ef800be-d38d-6744-9d0d-7339978c8ff1
    question: 'Which of the following is true about parameters starting with a dot (.)?'
    answers:
      - { value: 'They are available at runtime', correct: false }
      - { value: 'They are available only during container compilation', correct: true }
      - { value: 'They are ignored by Symfony', correct: false }
      - { value: 'They are used for database connections', correct: false }
    help: 'https://symfony.com/doc/7.0/configuration.html#configuration-parameters'
  -
    uuid: 1ef800c4-0054-6f66-bfd3-779efb0c4390
    question: 'Which symbol indicates that a parameter is a PHP constant in symfony parameters ?'
    answers:
      - { value: '!php/const', correct: true }
      - { value: php/const, correct: false }
      - { value: '@php/const', correct: false }
      - { value: '#php/const', correct: false }
    help: 'https://symfony.com/doc/7.0/configuration.html#configuration-parameters'
  -
    uuid: 1ef800c6-fad9-6264-a183-47b81c8e8cc0
    question: 'How can you access configuration parameters in Symfony controllers?'
    answers:
      - { value: 'By using the ParameterBagInterface', correct: true }
      - { value: 'By using the Configurator class', correct: false }
      - { value: 'By importing the parameters directly', correct: false }
      - { value: 'By using the Service Locator pattern', correct: false }
    help: 'https://symfony.com/blog/new-in-symfony-4-1-getting-container-parameters-as-a-service'
  -
    uuid: 1ef800d7-2fdf-6c5a-9de8-af45c8f65cf4
    question: 'If a parameter value includes the % character, how should it be written to escape it?'
    answers:
      - { value: '%%', correct: true }
      - { value: '%%%', correct: false }
      - { value: '%', correct: false }
      - { value: $%, correct: false }
    help: 'https://symfony.com/doc/7.0/configuration.html#configuration-parameters'
  -
    uuid: 1ef80078-f45b-64da-8d99-253d4466d548
    question: 'In which file is the APP_ENV variable defined to choose the active environment for the application in Symfony?'
    answers:
      - { value: config/packages/framework.yaml, correct: false }
      - { value: .env, correct: true }
      - { value: services.yaml, correct: false }
      - { value: composer.json, correct: false }
    help: 'https://symfony.com/doc/7.0/configuration.html'
  -
    uuid: 1ef8007c-6a77-6666-acda-f97fd898b2ef
    question: 'What is the command to run a Symfony task in a specific environment without modifying the .env file?'
    answers:
      - { value: 'php bin/console --env=prod <command>', correct: false }
      - { value: 'APP_ENV=prod php bin/console <command>', correct: true }
      - { value: 'php bin/console env:prod <command>', correct: false }
      - { value: 'php bin/console set-env prod', correct: false }
    help: 'https://symfony.com/doc/7.0/configuration.html'
  -
    uuid: 1ef8007f-1f7a-6606-9139-fd4c956a4883
    question: 'What syntax is used to reference an environment variable in a YAML configuration file?'
    answers:
      - { value: '%env(VAR_NAME)%', correct: true }
      - { value: '${VAR_NAME}', correct: false }
      - { value: '{{ env(VAR_NAME) }}', correct: false }
      - { value: '#env(VAR_NAME)#', correct: false }
    help: 'https://symfony.com/doc/7.0/configuration.html'
  -
    uuid: 1ef80081-4f13-63a2-98e6-8390f97f5219
    question: 'If an environment variable is not defined, how can you specify a default value in a YAML file?'
    answers:
      - { value: 'Use env_default(VAR_NAME)', correct: true }
      - { value: 'Add a comment in the YAML file', correct: false }
      - { value: "Use the syntax env(VAR_NAME): 'default_value", correct: false }
      - { value: "it's impossible", correct: false }
    help: 'https://symfony.com/doc/7.0/configuration.html'
  -
    uuid: 1ef80083-fdc1-6582-9335-8bef89e3c7cf
    question: 'Where should you store environment variables that are specific to the local machine?'
    answers:
      - { value: '.env', correct: false }
      - { value: '.env.local', correct: true }
      - { value: '.env.test', correct: false }
      - { value: 'services.yaml', correct: false }
    help: 'https://symfony.com/doc/7.0/configuration.html'
  -
    uuid: 1ef800ab-a2bc-6128-be2b-511459a79806
    question: 'Which command improves performance in production by generating a .env.local.php file for environment variables?'
    answers:
      - { value: 'composer dump-env prod', correct: true }
      - { value: 'php bin/console env:dump', correct: false }
      - { value: 'php bin/console cache:clear', correct: false }
      - { value: 'php bin/console debug:dotenv', correct: false }
    help: 'https://symfony.com/doc/7.0/configuration.html#configuring-environment-variables-in-production'
  -
    uuid: 1ef800b1-26f6-6af6-9606-5f6d32804220
    question: 'How do you define a boolean parameter in Symfony?'
    answers:
      - { value: "app.enable_feature: 'true'", correct: false }
      - { value: 'app.enable_feature: true', correct: true }
      - { value: "app.enable_feature: '1'", correct: false }
      - { value: 'app.enable_feature: 1', correct: false }
    help: 'https://symfony.com/doc/7.0/configuration.html#configuration-parameters'
  -
    uuid: 1ef800b3-83c5-66cc-9f57-0dd23eb3ffa6
    question: 'Which of the following is a correct way to define an array parameter?'
    answers:
      - { value: "app.supported_locales: 'en, es, fr'", correct: false }
      - { value: "app.supported_locales: ['en', 'es', 'fr']", correct: true }
      - { value: 'app.supported_locales: en, es, fr', correct: false }
      - { value: 'app.supported_locales: {en, es, fr}', correct: false }
    help: 'https://symfony.com/doc/7.0/configuration.html#configuration-parameters'
  -
    uuid: 1ef800b7-4d9d-6e06-8aa3-e1c5a7eff6e4
    question: 'How do you define a binary content parameter in Symfony?'
    answers:
      - { value: "app.binary_data: 'VGhpcyBpcyBhIEJlbGwgY2hhciAH'", correct: false }
      - { value: 'app.binary_data: !!binary VGhpcyBpcyBhIEJlbGwgY2hhciAH', correct: false }
      - { value: 'app.binary_data: !binary VGhpcyBpcyBhIEJlbGwgY2hhciAH', correct: true }
      - { value: 'app.binary_data: binary:VGhpcyBpcyBhIEJlbGwgY2hhciAH', correct: false }
    help: 'https://symfony.com/doc/7.0/configuration.html#configuration-parameters'
  -
    uuid: 1ef800ba-c8df-6d82-a0bb-353743b6c517
    question: 'What syntax is used to reference a parameter in configuration files?'
    answers:
      - { value: '${app.admin_email}', correct: false }
      - { value: '&app.admin_email', correct: false }
      - { value: '%app.admin_email%', correct: true }
      - { value: '@app.admin_email@', correct: false }
    help: 'https://symfony.com/doc/7.0/configuration.html#configuration-parameters'
  -
    uuid: 1ef800be-d38d-6744-9d0d-7339978c8ff1
    question: 'Which of the following is true about parameters starting with a dot (.)?'
    answers:
      - { value: 'They are available at runtime', correct: false }
      - { value: 'They are available only during container compilation', correct: true }
      - { value: 'They are ignored by Symfony', correct: false }
      - { value: 'They are used for database connections', correct: false }
    help: 'https://symfony.com/doc/7.0/configuration.html#configuration-parameters'
  -
    uuid: 1ef800c4-0054-6f66-bfd3-779efb0c4390
    question: 'Which symbol indicates that a parameter is a PHP constant in symfony parameters ?'
    answers:
      - { value: '!php/const', correct: true }
      - { value: '&php/const', correct: false }
      - { value: '@php/const', correct: false }
      - { value: '#php/const', correct: false }
    help: 'https://symfony.com/doc/7.0/configuration.html#configuration-parameters'
  -
    uuid: 1ef800c6-fad9-6264-a183-47b81c8e8cc0
    question: 'How can you access configuration parameters in Symfony controllers?'
    answers:
      - { value: 'By using the ParameterBagInterface', correct: true }
      - { value: 'By using the Configurator class', correct: false }
      - { value: 'By importing the parameters directly', correct: false }
      - { value: 'By using the Service Locator pattern', correct: false }
    help: 'https://symfony.com/blog/new-in-symfony-4-1-getting-container-parameters-as-a-service'
  -
    uuid: 1ef800d7-2fdf-6c5a-9de8-af45c8f65cf4
    question: 'If a parameter value includes the % character, how should it be written to escape it?'
    answers:
      - { value: '%%', correct: true }
      - { value: '%%%', correct: false }
      - { value: '%', correct: false }
      - { value: '$%', correct: false }
    help: 'https://symfony.com/doc/7.0/configuration.html#configuration-parameters'