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.
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Practice Test
41. What is the recommended naming convention for controller class names in Symfony?
A. CamelCase
B. snake_case
C. PascalCase
D. kebab-case
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Answer: PascalCase
42. Which Symfony component is responsible for loading and executing controller actions?
A. Dependency Injection
B. Routing
C. HTTP Kernel
D. Event Dispatcher
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Answer: HTTP Kernel
43. In Symfony, how do you pass data from a controller to a view for rendering?
A. Using cookies
B. By directly modifying the view file
C. By returning an array of data as the second argument of the render() method
D. Data cannot be passed from controllers to views
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Answer: By returning an array of data as the second argument of the render() method
44. What is a controller action in Symfony?
A. A piece of JavaScript code
B. A method in a controller class responsible for handling a specific HTTP request
C. A configuration file for routing
D. A database query
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Answer: A method in a controller class responsible for handling a specific HTTP request
45. What is the purpose of the Request object in Symfony controllers?
A. To define API routes
B. To create HTML templates
C. To encapsulate and represent the incoming HTTP request
D. To manage database migrations
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Answer: To encapsulate and represent the incoming HTTP request
46. Which HTTP status code is typically used in Symfony controllers to indicate a successful response?
A. 200 (OK)
B. 404 (Not Found)
C. 500 (Internal Server Error)
D. 302 (Found)
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Answer: 200 (OK)
47. In Symfony, how do you redirect the user to a different URL from a controller action?
A. By modifying the .env file
B. By returning an instance of RedirectResponse
C. By using JavaScript code in the view
D. Redirects are not supported in Symfony controllers
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Answer: By returning an instance of RedirectResponse
48. What is the purpose of route annotations in Symfony controllers?
A. To create HTML templates
B. To define database schemas
C. To specify routing information directly within the controller class
D. To manage API authentication
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Answer: To specify routing information directly within the controller class
49. In Symfony, how can you access route parameters in a controller action?
A. By modifying the .env file
B. By using the Request object's methods like get(), query(), or attributes()
C. By directly modifying the URL
D. Route parameters cannot be accessed in controllers
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Answer: By using the Request object's methods like get(), query(), or attributes()
50. What is the primary purpose of a template in a Symfony application?
A. To create HTML templates
B. To define database schemas
C. To handle HTTP requests
D. To manage API authentication
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Answer: To create HTML templates
