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Listening Quiz: Thiết Kế Chính Sách Auto-Scaling – Medium Level
Th11 20, 2025
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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?
Planning a marketing campaign
Choosing a new office location
Designing an auto-scaling policy
Training employees on customer service
Explanation:
Kevin and Olivia discuss which metrics to use, when to add or remove servers, and how often to check them, all of which are part of designing an auto-scaling policy.
2.
Which metrics do Kevin and Olivia decide to use for scaling?
Memory usage and disk space
Network speed and battery level
CPU usage and request queue depth
Sales numbers and customer ratings
Explanation:
Kevin says they can use CPU usage and request queue depth for scaling.
3.
According to Kevin, what does high CPU usage indicate?
The network is down
The servers are busy
The requests have been completed
The policy is outdated
Explanation:
Kevin explains that high CPU means the servers are busy.
4.
Why do Kevin and Olivia check the metrics every minute?
To make sure requests never wait in a queue
To respond quickly to changes in traffic
To reduce the number of servers immediately
To avoid using CPU usage as a metric
Explanation:
Kevin says they should check the metrics every minute to respond quickly to changes, which implies frequent monitoring for changing traffic.
5.
What will they do if both metrics are low?
Stop checking the metrics
Leave the system unchanged
Remove some servers to save cost
Add more servers
Explanation:
Kevin says that if both metrics are low, they can remove some servers to save cost.
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