Knowledge quiz

It's time to put what you've learned to the test, get 8 right to pass this unit.

Which components can you differentiate in a Helm chart?

Choose the correct answer.

"Chart.yaml", "values.yaml", "charts/", "templates/"

"helm.yaml", "parameters.yaml", "charts/", "manifests/"

"Kubenetes.yaml", "parameters.yaml", "charts/", "manifests/"

How many servers you must secure when working with the Serverless module?

Choose the correct answer.

What are the pros of Serverless Functions?

There are two correct answers.

They are vendor-specific.

They are less portable compared to containers.

They reduce the implementation and operation effort of your application.

They support the asynchronous programming model.

When would you choose a DaemonSet?

Choose the correct answer.

When you want to run a stateful workload.

When you want to run a stateless workload.

When you want to run a workload on every node in the cluster.

When you want to run a workload randomly on a node in the cluster.

Which of the following is true about the RollingUpdate deployment strategy?

There are two correct answers.

It is the default deployment strategy.

It can be used to update your application without downtime.

It can be used to update your application with downtime.

It deletes the old pods before creating the new ones.

How can Serverless Functions be invoked?

There are two correct answers.

By an HTTP request

By an event

By a cron job

By a Kubernetes job

Which of the following statements is true about CronJobs in Kubernetes?

Choose the correct answer.

CronJobs are used to run a workload periodically.

CronJobs are used to run a workload once and then terminate.

CronJobs are used to run a workload on a subset of nodes in your cluster.

CronJobs are used to create a ReplicaSet.

Which command to use to perform a dry-run of your Helm chart to check if it is valid?

Choose the correct answer.

helm test

helm install

helm template

What are Horizontal Pod Autoscalers (HPA) used for?

Choose the correct answer.

To scale a Deployment vertically.

To scale a Deployment horizontally.

10.

What is the main difference between ReplicaSets and DaemonSets?

Choose the correct answer.

ReplicaSets ensure that one copy of a given pod runs on a subset of nodes in your cluster.

DaemonSets ensure that one copy of a given pod runs on a subset of nodes in your cluster.