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
171. Which PHP extension is essential for optimizing Symfony's performance on a production server?
A. GD
B. PDO
C. APC
D. XDebug
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Answer: APC
172. In Symfony, what is the purpose of environment variables (e.g., .env file)?
A. To create HTML templates
B. To manage database migrations
C. To store configuration settings, secrets, and sensitive information separately from the application code
D. To define API routes
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Answer: To store configuration settings, secrets, and sensitive information separately from the application code
173. What is the Symfony Flex tool, and how does it simplify the deployment process?
A. A database management tool
B. A deployment automation tool
C. A command-line tool that streamlines Symfony application setup, configuration, and maintenance
D. A tool for managing server logs
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Answer: A command-line tool that streamlines Symfony application setup, configuration, and maintenance
174. Which web server software is commonly used to serve Symfony applications in a production environment?
A. Nginx
B. Apache
C. Tomcat
D. IIS
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Answer: Nginx
175. What is the purpose of setting up a virtual host for a Symfony application on a web server?
A. To create HTML templates
B. To manage database migrations
C. To define API routes
D. To specify how incoming HTTP requests are routed to the Symfony application
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Answer: To specify how incoming HTTP requests are routed to the Symfony application
176. What is the recommended directory structure for deploying a Symfony application?
A. A single directory containing all application files
B. A structure that mirrors the development environment, including development tools and files
C. A directory structure that separates application code from public assets and configuration
D. There is no recommended structure; it depends on the developer's preference
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Answer: A directory structure that separates application code from public assets and configuration
177. How can you optimize Symfony for production performance?
A. By disabling caching
B. By enabling the debug mode
C. By installing additional development packages
D. By configuring Symfony to use a production cache and optimizing database queries
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Answer: By configuring Symfony to use a production cache and optimizing database queries
178. What is the purpose of setting appropriate file permissions and ownership for Symfony application files?
A. To create HTML templates
B. To manage database migrations
C. To define API routes
D. To ensure that the web server can read and write files as needed while maintaining security
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Answer: To ensure that the web server can read and write files as needed while maintaining security
179. Which command is commonly used to deploy a Symfony application to a production server using Symfony Flex?
A. php artisan deploy
B. php bin/console deploy
C. symfony deploy
D. composer deploy
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Answer: symfony deploy
180. What is the primary goal of performance tuning in Symfony applications?
A. To increase the number of database tables
B. To enhance the application's speed and efficiency, providing faster response times to users
C. To manage database migrations
D. To define API routes
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Answer: To enhance the application's speed and efficiency, providing faster response times to users
