You want to select pods that have label version set to either v1 or v2, but exclude those with label env=dev. Which selector correctly achieves this?

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Kubernetes - Labels and Selectors

You want to select pods that have label version set to either v1 or v2, but exclude those with label env=dev. Which selector correctly achieves this?

Aversion = v1 || v2, env != dev

Bversion in (v1, v2) env != dev

Cversion in (v1, v2), env notin (dev)

Dversion in (v1, v2) && env != dev

Step-by-Step Solution

Solution:

Step 1: Use set-based selector for 'version'
To select pods with version label as v1 or v2, use version in (v1, v2).
Step 2: Use set-based exclusion for 'env'
To exclude pods with env=dev, use env notin (dev).
Step 3: Combine selectors with comma
Separate multiple selectors with commas to combine conditions.
Final Answer:
version in (v1, v2), env notin (dev) -> Option C
Quick Check:
Combine set-based selectors with commas [OK]

Quick Trick: Combine selectors with commas; use 'in' and 'notin' properly [OK]

Common Mistakes:

Using '!=' or '||' which are invalid in selectors
Missing commas between selectors
Incorrect syntax for set-based selectors

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You want to select pods that have label version set to either v1 or v2, but exclude those with label env=dev. Which selector correctly achieves this?

Step 1: Use set-based selector for 'version'

Step 2: Use set-based exclusion for 'env'

Step 3: Combine selectors with comma

Final Answer:

Quick Check:

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