Symfony is a powerful PHP framework renowned for its versatility and robustness. Established in 2005, it follows the MVC architecture, offering reusable components and tools for web development. With a strong community, Symfony excels in creating everything from small apps to complex enterprise systems, making it a top choice for PHP developers.
Show All Answers
Practice Test
101. What is a service in Symfony's Dependency Injection Container?
A. A route definition
B. A PHP class that provides a specific functionality or resource
C. A database table
D. A form type
Show Answer
Report This Question
Answer: A PHP class that provides a specific functionality or resource
102. What is the Symfony Dependency Injection Container responsible for?
A. To create HTML templates
B. To manage database migrations
C. To store and manage service definitions and their dependencies
D. To define API routes
Show Answer
Report This Question
Answer: To store and manage service definitions and their dependencies
103. How do you define a service in Symfony's services.yaml configuration file?
A. By using HTML markup
B. By adding a route configuration
C. By specifying the service class, its arguments, and other properties
D. By modifying the .env file
Show Answer
Report This Question
Answer: By specifying the service class, its arguments, and other properties
104. What is autowiring in Symfony's Dependency Injection?
A. A feature that automatically generates HTML templates
B. A mechanism that automatically injects dependencies based on type hinting in the constructor
C. A way to define routes automatically
D. A method for managing database migrations
Show Answer
Report This Question
Answer: A mechanism that automatically injects dependencies based on type hinting in the constructor
105. In Symfony, what is the purpose of service tags?
A. To create HTML templates
B. To manage database migrations
C. To add metadata to services and allow them to be discovered and used by other parts of the application
D. To define API routes
Show Answer
Report This Question
Answer: To add metadata to services and allow them to be discovered and used by other parts of the application
106. What is the difference between a public and a private service in Symfony?
A. There is no difference; the terms are used interchangeably.
B. Public services can be accessed and used outside the container, while private services are restricted to internal use only.
C. Public services have more arguments in their constructors than private services.
D. Public services are automatically autowired, while private services are not.
Show Answer
Report This Question
Answer: Public services can be accessed and used outside the container, while private services are restricted to internal use only.
107. Which command is used to list all services registered in the Symfony Dependency Injection Container?
A. php artisan service:list
B. php bin/console debug:container
C. symfony services:show
D. composer show services
Show Answer
Report This Question
Answer: php bin/console debug:container
108. In Symfony, how can you inject a service into a controller action?
A. By manually creating an instance of the service in the action
B. By using JavaScript code
C. By type hinting the service as an argument in the action method
D. By editing the .env file
Show Answer
Report This Question
Answer: By type hinting the service as an argument in the action method
109. What is the purpose of Symfony's service aliases?
A. To create HTML templates
B. To manage database migrations
C. To provide alternative names for services, making them easier to reference and inject
D. To define API routes
Show Answer
Report This Question
Answer: To provide alternative names for services, making them easier to reference and inject
110. In Symfony, what is the primary purpose of the Console component?
A. To create HTML templates
B. To manage database migrations
C. To provide a command-line interface for interacting with Symfony applications
D. To define API routes
Show Answer
Report This Question
Answer: To provide a command-line interface for interacting with Symfony applications
