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Listening Quiz: Thiết kế một dịch vụ web phân tán có khả năng mở rộng – Easy Level
Th3 31, 2025
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bởi
Anna Phạm
trong
Tiếng Anh dành cho Kỹ sư phần mềm (English for Software Engineer)
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1.
What is the main topic of the conversation?
How to design a scalable distributed web service
How to write faster computer code
How to repair broken computer hardware
How to train users to use a website
Explanation:
The speakers discuss several key design choices for building a scalable distributed web service, including load balancing, distributed databases, microservices, redundancy, and caching.
2.
According to Daniel, what helps spread traffic when many users access the service at the same time?
Microservices
Caching data
Redundancy
Load balancers
Explanation:
Daniel says, ‘We can use load balancers to spread traffic.’
3.
What does Daniel say about distributed databases?
They replace the need for user needs analysis
They slow the system down but reduce costs
They help with speed and safety
They are only useful for backups
Explanation:
Daniel explains that using distributed databases helps with ‘speed and safety.’
4.
Why does Daniel suggest using microservices?
Because they eliminate the need for data storage
Because they are required before understanding user needs
Because they make scaling easier
Because they stop all system failures completely
Explanation:
Daniel directly says, ‘Yes, microservices make scaling easier,’ which supports the inference that they are suggested to help the service grow more easily.
5.
What does Daniel recommend to keep the system fast?
Understanding user needs
Building redundancy
Caching data
Using load balancers
Explanation:
Daniel says, ‘Caching data can reduce delays,’ which means it helps keep the system fast.
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