KCNA Exam Questions
215 real KCNA exam questions with expert-verified answers and explanations. Page 2 of 5.
- Question #52Kubernetes Fundamentals
What is the purpose of the CRI?
CRIContainer Runtime InterfaceKubernetes architectureContainer runtimes - Question #53Kubernetes Fundamentals
Imagine there is a requirement to run a database backup every day. Which Kubernetes resource could be used to achieve that?
Kubernetes ResourcesCronJobScheduled TasksKubernetes Job - Question #54Cloud Native Architecture
In CNCF, who develops specifications for industry standards around container formats and runtimes?
Open Container InitiativeContainer StandardsCNCF EcosystemContainer Runtimes - Question #55Kubernetes Fundamentals
Which of the following options includes valid API versions?
Kubernetes API VersionsAPI GroupsKubernetes Fundamentals - Question #56Cloud Native Observability
Which of the following will view the snapshot of previously terminated ruby container logs from Pod web-1?
kubectllogscontainersobservability - Question #57Kubernetes Fundamentals
A Kubernetes _____ is an abstraction that defines a logical set of Pods and a policy by which to access them.
Kubernetes ServicePod accessNetworkingService discovery - Question #58Kubernetes Fundamentals
How many hosts are required to set up a highly available Kubernetes cluster when using an external etcd topology?
Kubernetes ArchitectureHigh AvailabilityetcdControl Plane - Question #59Kubernetes Fundamentals
Which of these events will cause the kube-scheduler to assign a Pod to a node?
kube-schedulerPod schedulingKubernetes control plane - Question #60Cloud Native Application Delivery
What helps an organization to deliver software more securely at a higher velocity?
CI/CDSoftware DeliveryAutomationDevOps - Question #61Kubernetes Fundamentals
Which resource do you use to attach a volume in a Pod?
Kubernetes StoragePersistentVolumeClaimPodsVolumes - Question #62Kubernetes Fundamentals
Which key-value store is used to persist Kubernetes cluster data?
Kubernetes core componentsetcdcluster data storagekey-value store - Question #63Kubernetes Fundamentals
What Linux namespace is shared by default by containers running within a Kubernetes Pod?
Kubernetes PodsLinux NamespacesContainer NetworkingPod Architecture - Question #64Kubernetes Fundamentals
What is a Dockerfile?
DockerfileDocker ImageImage Building - Question #65Kubernetes Fundamentals
What does the "nodeSelector" within a PodSpec use to place Pods on the target nodes?
Kubernetes SchedulingnodeSelectorNode LabelsPod Placement - Question #66Kubernetes Fundamentals
What do Deployments and StatefulSets have in common?
DeploymentsStatefulSetsPodsWorkload Resources - Question #67Cloud Native Application Delivery
What is the practice of bringing financial accountability to the variable spend model of cloud resources?
FinOpsCloud Cost ManagementFinancial Accountability - Question #68Cloud Native Application Delivery
What is a best practice to minimize the container image size?
Container ImagesImage OptimizationMultistage BuildsDocker Best Practices - Question #69Container Orchestration
Which tools enable Kubernetes HorizontalPodAutoscalers to use custom, application-generated metrics to trigger scaling events?
HPACustom MetricsPrometheusAutoscaling - Question #70Cloud Native Observability
Which of the following is a valid PromQL query?
PromQLPrometheusQuery LanguageObservability - Question #71Container Orchestration
Which of the following best describes horizontally scaling an application deployment?
Horizontal ScalingApplication ScalingDeploymentCloud Native Concepts - Question #72Kubernetes Fundamentals
How many different Kubernetes service types can you define?
Kubernetes ServicesService TypesNetworking - Question #73Kubernetes Fundamentals
What is the difference between a Deployment and a ReplicaSet?
Kubernetes DeploymentsKubernetes ReplicaSetsWorkload ManagementResource Hierarchy - Question #74Kubernetes Fundamentals
The Container Runtime Interface (CRI) defines the protocol for the communication between:
CRIKubeletContainer RuntimeKubernetes Architecture - Question #75Kubernetes Fundamentals
Which authorization-mode allows granular control over the operations that different entities can perform on different objects in a Kubernetes cluster?
Kubernetes AuthorizationRBACAccess ControlSecurity - Question #76Cloud Native Application Delivery
Which of the following is a correct definition of a Helm chart?
HelmHelm ChartKubernetes Package ManagementApplication Deployment - Question #77Kubernetes Fundamentals
Which of the following sentences is true about namespaces in Kubernetes?
Kubernetes NamespacesCluster ArchitectureDefault Namespace - Question #78Kubernetes Fundamentals
How does Horizontal Pod autoscaling work in Kubernetes?
KubernetesAutoscalingHPAPods - Question #80Kubernetes Fundamentals
What element allows Kubernetes to run Pods across the fleet of nodes?
KubeletKubernetes ArchitectureNode AgentsPod Lifecycle - Question #81Kubernetes Fundamentals
What is the Kubernetes object used for running a recurring workload?
Kubernetes objectsWorkloadsCronJobScheduling - Question #82Cloud Native Application Delivery
In the DevOps framework and culture, who builds, automates, and offers continuous delivery tools for developer teams?
DevOpsPlatform EngineeringCI/CD ToolsTeam Roles - Question #84Cloud Native Architecture
The cloud native architecture centered around microservices provides a strong system that ensures ______________.
Cloud Native ArchitectureMicroservicesSystem Resiliency - Question #85Container Orchestration
Which of the following is the correct command to run a nginx deployment with 2 replicas? kubectl run deploy nginx --image=nginx --replicas=2 A.
kubectlDeploymentReplicasCLI - Question #86Cloud Native Application Delivery
What does "Continuous Integration" mean?
Continuous IntegrationCI/CDAutomationSoftware Development Life Cycle - Question #87Kubernetes Fundamentals
Which of the following options is true about considerations for large Kubernetes clusters?
Kubernetes scalingCluster limitsPod densityNode capacity - Question #88Kubernetes Fundamentals
Which component of the node is responsible to run workloads?
Kubernetes Node ComponentsContainer RuntimeWorkload ExecutionNode Architecture - Question #89Kubernetes Fundamentals
The IPv4/IPv6 dual stack in Kubernetes:
Kubernetes NetworkingIPv4/IPv6 Dual StackServices - Question #90Cloud Native Application Delivery
What does "continuous" mean in the context of CI/CD?
CI/CDContinuous DeliverySoftware ReleaseAutomation - Question #91Kubernetes Fundamentals
What is ephemeral storage?
Ephemeral storageStorageKubernetes storageVolumes - Question #92Kubernetes Fundamentals
What is the reference implementation of the OCI runtime specification?
OCIContainer RuntimeruncContainerization Fundamentals - Question #93Kubernetes Fundamentals
What is a Service?
Kubernetes ServiceNetworkingPod exposureLoad balancing - Question #94Kubernetes Fundamentals
What's the difference between a security profile and a security context?
Kubernetes SecuritySecurity ContextsSecurity ProfilesPod Security - Question #95Cloud Native Observability
At which layer would distributed tracing be implemented in a cloud native deployment?
Distributed TracingObservabilityCloud NativeApplication Layer - Question #96Kubernetes Fundamentals
What framework does Kubernetes use to authenticate users with JSON Web Tokens?
Kubernetes authenticationOpenID ConnectJWTIdentity management - Question #97Kubernetes Fundamentals
Which of the following is a feature Kubernetes provides by default as a container orchestration tool?
Kubernetes featuresApplication lifecycle managementRolloutsRollbacks - Question #98Kubernetes Fundamentals
Which of the following sentences is true about container runtimes in Kubernetes?
Container RuntimeKubernetes NodePodsCRI - Question #99Kubernetes Fundamentals
If a Pod was waiting for container images to download on the scheduled node, what state would it be in?
Pod lifecyclePod statesImage pullPending state - Question #100Cloud Native Architecture
What is CloudEvents?
CloudEventsEvent-driven architectureInteroperabilityCNCF - Question #101Kubernetes Fundamentals
What is the main purpose of etcd in Kubernetes?
etcdKubernetes architectureControl planeKey-value store - Question #102Cloud Native Application Delivery
Imagine you're releasing open-source software for the first time. Which of the following is a valid semantic version?
Semantic VersioningSoftware ReleasesOpen Source Software - Question #103Cloud Native Application Delivery
Which cloud native tool keeps Kubernetes clusters in sync with sources of configuration (like Git repositories), and automates updates to configuration when there is new code to de...
GitOpsContinuous DeliveryFluxArgoCD