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
21. What is the primary purpose of the Symfony Event Dispatcher component?
A. To create HTML templates
B. To manage database migrations
C. To dispatch and listen for events within an application
D. To define API routes
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Answer: To dispatch and listen for events within an application
22. Which Symfony component is responsible for handling routing and URL matching in web applications?
A. Twig
B. Doctrine
C. Routing
D. HTTP Kernel
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Answer: Routing
23. What is the Symfony Dependency Injection component used for?
A. To create HTML templates
B. To manage database migrations
C. To manage and inject service dependencies into classes
D. To define API routes
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Answer: To manage and inject service dependencies into classes
24. Which Symfony component provides tools for working with HTTP headers, status codes, and cookies?
A. Event Dispatcher
B. HTTP Foundation
C. Form
D. Validator
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Answer: HTTP Foundation
25. In Symfony, which component allows developers to validate and sanitize data, ensuring it meets specific criteria and constraints?
A. Form
B. Validator
C. Security
D. Console
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Answer: Validator
26. What is the Symfony Form component used for?
A. To create HTML templates
B. To define database schemas
C. To build and handle web forms, including form rendering and data submission
D. To manage API authentication
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Answer: To build and handle web forms, including form rendering and data submission
27. Symfony's Console component provides tools for building command-line applications. What is the primary class used to create console commands?
A. Symfony\Console\Application
B. Symfony\Console\Command
C. Symfony\Console\Kernel
D. Symfony\Console\Terminal
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Answer: Symfony\Console\Command
28. Which Symfony component is used for translating messages into different languages, making applications accessible to a global audience?
A. HTTP Foundation
B. Routing
C. Translator
D. Event Dispatcher
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Answer: Translator
29. What is the purpose of the Symfony Security component?
A. To define API routes
B. To create HTML templates
C. To manage authentication and authorization in web applications
D. To manage database migrations
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Answer: To manage authentication and authorization in web applications
30. What is the primary purpose of routing in Symfony?
A. To create HTML templates
B. To map URLs to controller actions
C. To manage database migrations
D. To define API routes
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Answer: To map URLs to controller actions
