Tag - KCNA exam

What is scheduling in KubernetesA . Determining when to execute a cron-job B. Assigning pods to nodes C. Joining a new nodes to the clusters D. Setting a time for automated tasksView AnswerAnswer: B Explanation: https://kubernetes.io/docs/concepts/scheduling-eviction/ Graphical user interface, application Description automatically generated

Which of the following are characteristics of Statefulsets?A . Ordered, graceful deployment and scaling B. Creates replica sets C. Uses headless servicesView AnswerAnswer: A Explanation: https://kubernetes.io/docs/concepts/workloads/controllers/statefulset/ Graphical user interface, text, application, email Description automatically generated

Which control plane component is responsible for scheduling pods?A . kube-proxy B. kube scheduler C. kubelet D. kube api-serverView AnswerAnswer: B Explanation: https://kubernetes.io/docs/concepts/overview/components/ Graphical user interface, text, application Description automatically generated

What is a benefits of Kubernetes federation?A . Avoids scalability limits on pods and nodes B. Creates highly available clusters in different regions C. Low latencyView AnswerAnswer: A,B,C

Which prometheus metric type represents a single number value that can increase and decrease over time?A . Gauge B. Histogram C. Summary D. CounterView AnswerAnswer: A Explanation: https://prometheus.io/docs/concepts/metric_types/#gauge Graphical user interface, text Description automatically generated

What is OPA?A . Open Permission Agent B. Online Policy Audit C. Open Policy Agent D. Offline Policy AccessorView AnswerAnswer: C Explanation: https://www.cncf.io/projects/open-policy-agent-opa/ Graphical user interface, text, application, email Description automatically generated

Which of the following is not the part of Kubernetes Control Plane?A . kube scheduler B. etcd (pronounce: esty-d) C. kube api-server D. kube-proxyView AnswerAnswer: D Explanation: https://kubernetes.io/docs/concepts/overview/components/ Graphical user interface, diagram, application Description automatically generated

Which access control component of Kubernetes is responsible for authorization and decides what requestor is allowed to do?A . Service Account B. Role-based access control 'RBAC' C. DeploymentView AnswerAnswer: B Explanation: https://kubernetes.io/docs/reference/access-authn-authz/authorization/ Text, letter Description automatically generated

Which role is responsible of creating service level indicator 'SLI', service level objective 'SLO', & Service Level Agreements 'SLA'A . Site reliability engineer 'SRE' B. DevOps C. GitOps D. Security and compliance engineer E. DeveloperView AnswerAnswer: A Explanation: https://www.atlassian.com/incident-management/kpis/sla-vs-slo-vs-sli Text Description automatically generated

Which is NOT a use case for the Kubernetes dashboard?A . Troubleshooting any issues with applications B. Managing running applications C. Installing new Kubernetes cluster D. Managing the entire Kubernetes clusterView AnswerAnswer: C