Linux Fondation

What is a DaemonSet?. It's a type of workload that ensures a specific set of nodes run a copy of a Pod. It's a type of workload responsible for maintaining a stable set of replica Pods running in any node. It's a type of workload that needs to be run periodically on a given schedule. It's a type of workload that provides guarantees about ordering, uniqueness, and identity of a set of Pods.

In the Kubernetes platform, which component is responsible for running containers?. etcd. CRI-O. cloud-controller-manager. kube-controller-manager.

What is the telemetry component that represents a series of related distributed events that encode the end-to-end request flow through a distributed system?. Metrics. Logs. Spans. Traces.

Services and Pods in Kubernetes are ______ objects. JSON. YAML. Java. REST.

What Kubernetes component handles network communications inside and outside of a cluster, using operating system packet filtering if available?. kube-proxy. kubelet. etcd. kube-controller-manager.

What Kubernetes control plane component exposes the programmatic interface used to create, manage and interact with the Kubernetes objects?. kube-controller-manager. kube-proxy. kube-apiserver. etcd.

Which type of Service requires manual creation of Endpoints?. LoadBalancer. Services without selectors. NodePort. ClusterIP with selectors.

Which of these commands is used to retrieve the documentation and field definitions for a Kubernetes resource?. kubectl explain. kubectl api-resources. kubectl get --help. kubectl show.

Which of the following is a lightweight tool that manages traffic flows between services, enforces access policies, and aggregates telemetry data, all without requiring changes to application code?. NetworkPolicy. Linkerd. kube-proxy. Nginx.

Which Kubernetes resource uses immutable: true boolean field?. Deployment. Pod. ConfigMap. ReplicaSet.

Which statement about the Kubernetes network model is correct?. Pods can only communicate with Pods exposed via a Service. Pods can communicate with all Pods without NAT. The Pod IP is only visible inside a Pod. The Service IP is used for the communication between Services.

What is the resource type used to package sets of containers for scheduling in a cluster?. Pod. ContainerSet. ReplicaSet. Deployment.

Can a Kubernetes Service expose multiple ports?. No, you can only expose one port per each Service. Yes, but you must specify an unambiguous name for each port. Yes, the only requirement is to use different port numbers. No, because the only port you can expose is port number 443.

Which persona is normally responsible for defining, testing, and running an incident management process?. Site Reliability Engineers. Project Managers. Application Developers. Quality Engineers.

What is the default deployment strategy in Kubernetes?. Rolling update. Blue/Green deployment. Canary deployment. Recreate deployment.

Which command provides information about the field replicas within the spec resource of a deployment object?. kubectl get deployment.spec.replicas. kubectl explain deployment.spec.replicas. kubectl describe deployment.spec.replicas. kubectl explain deployment --spec.replicas.

Which of the following is a responsibility of the governance board of an open source project?. Decide about the marketing strategy of the project. Review the pull requests in the main branch. Outline the project's “terms of engagement”. Define the license to be used in the project.