Add a couple of questions

certificates/cka.md

@@ -13,3 +13,42 @@
 
 `kubectl get pods --all-namespaces`
 </b></details>
+
+<details>
+<summary>How to list all namespaces?</code></summary><br><b>
+
+`kubectl get namespaces`
+</b></details>
+
+<details>
+<summary>How to create a deployment?</code></summary><br><b>
+
+```
+cat << EOF | kubectl create -f -
+> apiVersion: v1
+> kind: Pod
+> metadata:
+>   name: nginx
+> spec:
+>   containers:
+>   - name: nginx
+>     image: nginx
+> EOF
+```
+</b></details>
+
+<details>
+<summary>How to print information on a specific pod?</code></summary><br><b>
+
+`kubectl describe pod pod_name`
+</b></details>
+
+<details>
+<summary>How to delete a pod?</code></summary><br><b>
+
+`kubectl delete pod pod_name`
+</b></details>
+
+<details>
+<summary>How to check the status of all the components?</code></summary><br><b>
+</b></details>