Yii is a high-performance, open-source PHP framework renowned for its efficiency and versatility in web application development. Launched in 2008, Yii (pronounced "yee") has gained a strong following among developers worldwide. It boasts a robust set of features, including a powerful extension system, seamless integration of third-party libraries, and comprehensive tools for handling security and scalability. With its emphasis on clean, maintainable code and rapid development, Yii is an excellent choice for building web applications of varying complexities, from simple websites to intricate enterprise solutions.
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Practice Test
231. In Yii, what is the purpose of using a content delivery network (CDN) for scaling?
A. To deliver application code faster
B. To optimize database queries
C. To secure the application
D. To manage user authentication
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Answer: To deliver application code faster
232. What is the Yii component used to improve application scalability by caching database query results?
A. Yii Redis
B. Yii Cache
C. Yii Memcached
D. Yii SQL
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Answer: Yii Cache
233. When should you consider using a load balancer in a Yii application for scaling?
A. When you need to optimize database queries
B. When you want to secure the application
C. When traffic exceeds a single server's capacity
D. When writing efficient SQL queries
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Answer: When traffic exceeds a single server's capacity
234. What is database sharding in Yii, and how does it contribute to application scalability?
A. It's a caching mechanism for Yii applications
B. It divides the database into smaller parts
C. It optimizes the application's UI
D. It secures user authentication
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Answer: It divides the database into smaller parts
235. Which Yii technique helps reduce server load by storing static assets on the client's browser?
A. Database sharding
B. Browser caching
C. Load balancing
D. Session management
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Answer: Browser caching
236. What is the role of a Content Delivery Network (CDN) in Yii application scaling?
A. It manages database connections
B. It speeds up content delivery
C. It stores user passwords securely
D. It scales the server vertically
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Answer: It speeds up content delivery
237. What is the purpose of using Yii's asset management for scaling?
A. To optimize SQL queries
B. To manage application assets
C. To load balance multiple servers
D. To handle user authentication
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Answer: To manage application assets
238. Which Yii feature helps in scaling by automatically distributing application requests to multiple servers?
A. Load balancing
B. Page caching
C. Redis caching
D. Fragment caching
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Answer: Load balancing
239. What is the primary role of middleware in a Yii application?
A. Handling HTTP requests
B. Managing database connections
C. Rendering views
D. Handling user authentication
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Answer: Handling HTTP requests
240. Which Yii component is responsible for managing and executing middleware?
A. Yii Router
B. Yii Event Manager
C. Yii Application
D. Yii Middleware
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Answer: Yii Event Manager
