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
171. What is the primary purpose of data caching in RESTful Yii applications?
A. To reduce database query overhead
B. To hide API endpoints
C. To improve API versioning
D. To secure API endpoints
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Answer: To reduce database query overhead
172. In Yii, which caching component is used to cache data in a RESTful API application?
A. yii\caching\Cache
B. yii\web\Request
C. yii\base\Controller
D. yii\data\ActiveDataProvider
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Answer: yii\caching\Cache
173. Which Yii caching method is recommended for caching a single API response with a specific key?
A. Yii::$app->cache->set()
B. Yii::$app->cache->delete()
C. Yii::$app->response->get()
D. Yii::$app->urlManager->createUrl()
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Answer: Yii::$app->cache->set()
174. In RESTful Yii, how can you ensure that cached data remains valid and up-to-date?
A. Implement cache expiration policies
B. Use a constant key
C. Cache data indefinitely
D. Use a random key
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Answer: Implement cache expiration policies
175. What is "HTTP caching" in the context of RESTful APIs and Yii?
A. Caching responses at the HTTP level
B. Storing data in cookies
C. Database-driven caching
D. User authentication
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Answer: Caching responses at the HTTP level
176. Which HTTP response header is commonly used to control caching behavior in RESTful APIs?
A. Cache-Control
B. Authorization
C. Content-Encoding
D. User-Agent
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Answer: Cache-Control
177. What is the primary drawback of aggressive caching in RESTful APIs?
A. Stale data may be served to clients
B. Improved API performance
C. Complex cache management
D. Increased server load
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Answer: Stale data may be served to clients
178. Which Yii caching driver is suitable for a distributed environment when using RESTful APIs?
A. Memcached
B. File Cache
C. XCache
D. APC Cache
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Answer: Memcached
179. What is the primary purpose of testing in RESTful Yii applications?
A. To ensure API endpoints are working correctly
B. To hide API implementations
C. To increase caching efficiency
D. To generate API documentation
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Answer: To ensure API endpoints are working correctly
180. In Yii testing, what is the primary role of PHPUnit?
A. Executing unit and functional tests
B. Handling authentication
C. Caching API responses
D. Generating code coverage reports
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Answer: Executing unit and functional tests
