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Listening Quiz: Phân Tích Nguyên Nhân Gốc Rễ Của Sự Suy Giảm Hiệu Suất – Advanced Level
Th2 24, 2024
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bởi
Anna Phạm
trong
Tiếng Anh dành cho Kỹ sư DevOps (English for DevOps Engineer)
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1.
What is the main topic of the conversation?
Planning a new product launch
Training a new employee on coding standards
Choosing a database for a new project
Investigating a slowdown in the latest build
Explanation:
John and Anna discuss a performance drop in the latest build and possible causes, such as logging and slow database queries.
2.
How much slower is the main module in the latest build?
About 15% slower
About 10% slower
About 20% slower
About 5% slower
Explanation:
John says the main module is about 20% slower.
3.
What happens when logging is disabled?
The database queries become fully optimized
Memory use drops by 15%
The data processing function stops working
Speed improves by 15%
Explanation:
John says that disabling logging improves speed by 15%.
4.
What can be inferred about the new logging system?
It has no effect on speed at all
It likely contributes to the performance problem
It reduces database query times
It completely fixes the slowdown
Explanation:
Anna and John conclude that logging is a big factor because the new logging adds overhead and disabling it improves speed.
5.
What do Anna and John decide to do first?
Remove the data processing function
Increase memory usage
Fix logging and optimize queries
Rewrite the main module from scratch
Explanation:
Anna says, ‘Let’s fix logging and optimize queries first,’ which states their next step.
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