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Sno. Question Options Marks
1. What is the purpose of di.xml? (a). Define routes
(b). Configure dependency injection
(c). Define layout
(d). Configure database
1
2. A merchant reports that after updating product prices via API, the storefront still shows old prices for several minutes.
What is the BEST solution?
(a). Flush full page cache manually
(b). Use cache tags to invalidate specific product cache
(c). Disable Varnish caching
(d). Increase cache lifetime
0
3. Which cache improves frontend speed most? (a). Config cache
(b). Block cache
(c). Full Page Cache
(d). Layout cache
1
4. In Magento 2, plugins (interceptors) are defined in: (a). module.xml
(b). di.xml
(c). config.xml
(d). webapi.xml
1
5. Which plugin type wraps the original method? (a). before
(b). around
(c). after
(d). observer
1
6. A merchant complains that:
  • Category pages are slow
  • Elasticsearch is enabled
  • Queries are optimized

What should you check FIRST?
(a). MySQL performance
(b). Elasticsearch cluster health & indexing
(c). Frontend theme
(d). Admin configuration
1
7. What is the purpose of db_schema.xml? (a). Define UI components
(b). Define database tables
(c). Configure API routes
(d). Configure cache
1
8. What is used to define service contracts? (a). Interfaces
(b). Controllers
(c). Blocks
(d). Helpers
1
9. What is the purpose of config.php? (a). Store module configuration
(b). Store database credentials
(c). Store API tokens
(d). Store cache config
1
Total Marks:8/9 Percentage:88.888888888889%