CKS_FINALE

queued/CKS-011.md

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+# CKS-011 — Verify and install a Kubernetes binary
+
+Domain: **1.5 Platform binary verification**  
+Time: **4 minutes** · Score: **Section B only**
+
+## Supplied files
+
+```text
+/opt/release/kubectl
+/opt/release/kubectl.sha256
+```
+
+`kubectl.sha256` contains the official raw SHA-256 value but no filename.
+
+## Task
+
+Verify the downloaded binary against the checksum. Install it as `/usr/local/bin/kubectl` with owner `root:root` and mode `0755` only if verification succeeds. Then show its client version and installed ownership/mode.
+
+## Section B — scored answer
+
+```bash
+# Your commands
+```
+
+Say **Grade CKS-011** when saved.