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Listening Quiz: Dùng Redis Cache Cho Danh Mục E-commerce – Easy Level
Th10 1, 2024
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bởi
Anna Phạm
trong
Tiếng Anh dành cho Kiến trúc sư hệ thống (English for Systems Architect)
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1.
What is the main topic of the conversation?
How to choose between different payment methods
How to train employees to manage customer orders
How to redesign the database structure for a catalog
How to use Redis to improve an e-commerce catalog system
Explanation:
The speakers discuss using Redis as a cache to reduce database load, speed up access, and improve scalability for the catalog.
2.
According to Emily, how does Redis help with high reads?
It encrypts data before saving it
It increases the size of the database server
It automatically deletes old products from the catalog
It stores data in memory for fast access
Explanation:
Emily says Redis stores data in memory for fast access, which helps with high reads.
3.
What does Emily say can be done when the data changes in the database?
The data must be stored only on the client side
The database must be rebuilt from scratch
The catalog must stop accepting users
The cache can be updated or invalidated
Explanation:
Emily explains that if the data changes in the database, they can update or invalidate the cache.
4.
What can be inferred about Mark after hearing Emily’s explanation?
He plans to replace the e-commerce catalog with a new app
He thinks the catalog should store less data overall
He is interested in using Redis to improve performance
He wants to remove all caching from the system
Explanation:
Mark asks several follow-up questions about Redis and then says, ‘Great, let’s add Redis to our system,’ which shows interest in using it to improve performance.
5.
Why does Emily mention that many tools and libraries support Redis?
To show that Redis is easy to set up
To warn that Redis is difficult to maintain
To suggest that the database should not be used at all
To explain that Redis cannot be used for catalogs
Explanation:
Emily says many tools and libraries support Redis in response to Mark asking if it is easy to set up, so her purpose is to show that setup is easy.
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