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Listening Quiz: Thuyết Trình Cấu Hình Tự Động Mở Rộng Cụm – Advanced Level
Th5 31, 2025
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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 purpose of William’s presentation?
To compare different cloud providers for application hosting
To explain how cluster autoscaling works and how it is configured
To announce a change in company policy
To teach the team how to write monitoring logs
Explanation:
William says he will explain cluster autoscaling, and the conversation covers how it works, its configuration, risks, monitoring, and testing.
2.
What metrics does the autoscaler use according to William?
Disk space and network speed
User names and passwords
Temperature and power
CPU and memory
Explanation:
William says the autoscaler uses metrics like CPU and memory.
3.
How does the team define the number of nodes for autoscaling?
By setting minimum and maximum node counts in the config
By using only the current traffic level
By manually approving every node change
By creating a separate server for each user
Explanation:
Anna asks about minimum and maximum nodes, and William answers that they define min and max node counts in the config.
4.
What can be inferred about staging environments in this conversation?
They are used to remove all unused nodes immediately
They are used to test autoscaling before production
They are only used after production problems happen
They replace the need for logs and alerts
Explanation:
William says they run tests in staging environments first before using autoscaling in production, so staging is for testing first.
5.
How does the team monitor autoscaler performance?
By asking customers to report issues
By using logs and alerts
By checking only the weather forecast
By restarting the system every hour
Explanation:
William states that logs and alerts are used to track autoscaler actions.
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