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README.md
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@ -5346,12 +5346,16 @@ It means they would eventually die and pods are unable to heal so it is recommen
`kubectl delete pod pod_name`
</b></details>
#### Kubernetes Deployment
#### Kubernetes - Deployment
<details>
<summary>What is a "Deployment" in Kubernetes?</summary><br><b>
</b></details>
<details>
<summary>Describe the process of a deployment in high level</summary><br><b>
</b></details>
<details>
<summary>How to create a deployment?</code></summary><br><b>
@ -8444,7 +8448,7 @@ Logging<br>
</b></details>
<details>
<summary>What is the different between infrastructure monitoring and application monitoring? (methods, tools, ...)</summary><br><b>
<summary>What is the difference between infrastructure monitoring and application monitoring? (methods, tools, ...)</summary><br><b>
</b></details>
## Prometheus
@ -8453,6 +8457,12 @@ Logging<br>
<summary>What is Prometheus? What are some of Prometheus's main features?</summary><br><b>
</b></details>
<details>
<summary>In what scenarios it might be better to NOT use Prometheus?</summary><br><b>
From Prometheus documentation: "if you need 100% accuracy, such as for per-request billing".
</b></details>
<details>
<summary>Describe Prometheus architecture and components</summary><br><b>
</b></details>
@ -9056,6 +9066,12 @@ as key-value pair, document-oriented, etc.
False. OpenShift is a PaaS (platform as a service) solution.
</b></details>
## OpenShift - Images
<details>
<summary>What is an image stream?</summary><br><b>
</b></details>
<details>
<summary>What would be the best way to run and manage multiple OpenShift environments?</summary><br><b>
@ -11836,7 +11852,7 @@ Also, data inconsistency is a concern with horizontal scaling.
</b></details>
<details>
<summary>Explain when in which use cases will you use vertical scaling and in which use cases you will use horizontal scaling</summary><br><b>
<summary>Explain in which use cases will you use vertical scaling and in which use cases you will use horizontal scaling</summary><br><b>
</b></details>
<details>

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certificates/ckad.md Normal file
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@ -0,0 +1,31 @@
## Certified Kubernetes Application Developer (CKAD)
### Core Concepts
### Pods
<details>
<summary>Deploy a pod called web-1985 using the nginx:alpine image</code></summary><br><b>
`kubectl run web-1985 --image=nginx:alpine --restart=Never`
</b></details>
### Namespaces
<details>
<summary>List all namespaces</code></summary><br><b>
kubectl get ns
</b></details>
<details>
<summary>List all the pods in the namespace 'neverland'</code></summary><br><b>
kubectl get ns -n neverland
</b></details>
<details>
<summary>List all the pods in all the namespaces</code></summary><br><b>
kubectl get po --all-namespaces
</b></details>