Kubernetes - Labels and Selectors
You want to select pods with label 'app' equal to 'web' and label 'env' not in ('dev', 'test'). Which selector is correct?
You want to select pods with label 'app' equal to 'web' and label 'env' not in ('dev', 'test'). Which selector is correct?
hard📝 Workflow Q8 of 15
Step-by-Step Solution
Solution:
Step 1: Understand combined selector syntax
Multiple selectors are separated by commas and combined with AND logic.Step 2: Validate each part
app=webis correct equality selector;env notin (dev, test)correctly excludes 'dev' and 'test'.Final Answer:
app=web, env notin (dev, test) -> Option BQuick Check:
Combine selectors with commas and correct syntax [OK]
Quick Trick: Use commas to combine multiple label selectors [OK]
Common Mistakes:
- Using spaces instead of commas
- Incorrect operator usage
- Missing parentheses in 'notin'
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