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NEW QUESTION 71
What does CNCF stand for?
- A. Cloud Native Cloud Foundation
- B. Cloud Native Container Foundation
- C. Cloud Native Computing Foundation
Answer: C
Explanation:
https://www.cncf.io/about/who-we-are/
NEW QUESTION 72
What is the name of the Kubernetes agent that runs on each worker nodes?
- A. kubelet
- B. pod
- C. systemd
- D. kube-proxy
Answer: A
Explanation:
https://kubernetes.io/docs/concepts/overview/components/
NEW QUESTION 73
Which component of the kubernetes control-plane (master) are all requests to deploy and manage objects posted to?
- A. Kubelet
- B. API Server
- C. ETCD
- D. Controller Manager
- E. Kube-proxy
Answer: B
Explanation:
https://kubernetes.io/docs/reference/command-line-tools-reference/kube-apiserver/
NEW QUESTION 74
What is the smallest possible unit in Kubernetes to run a container?
- A. docker
- B. container
- C. pod
- D. service
Answer: C
Explanation:
https://kubernetes.io/docs/concepts/workloads/pods/
NEW QUESTION 75
How can you achieve cost optimization in the cloud environment?
- A. Use Reserved Instances
- B. Use On Demand instances
- C. Use Spot Instances
- D. Use Bare Metal
Answer: A
NEW QUESTION 76
What is the main difference between Argo vs. Flux CD?
- A. No difference; both are push-based
- B. Argo is pull-based, and Flux is push-based
- C. No difference; both are pull-based
- D. Argo is push-based, and Flux is pull-based
Answer: D
Explanation:
AgroCD: https://argo-cd.readthedocs.io/en/stable/developer-guide/ci/#can-i-retrigger-the-checks-without-pushing-a-new-commit
FluxCD: https://fluxcd.io/
NEW QUESTION 77
What is the primary interface for Kubernetes cluster?
- A. Control Plane
- B. Kubelet
- C. YAML
- D. JSON
- E. Kubernetes Api
Answer: E
Explanation:
https://kubernetes.io/docs/concepts/overview/components/#kube-apiserver
NEW QUESTION 78
kubeadm is an administrative dashboard for kubernetes
- A. True
- B. False
Answer: B
Explanation:
https://kubernetes.io/docs/reference/setup-tools/kubeadm/
NEW QUESTION 79
You might need to run a stateless application in kubernetes, and you want to be able to scale easily and perform rolling updates. What kubernetes resource type can you use to do this
- A. pod
- B. Replica set
- C. Deployment
- D. service
- E. Dameon set
- F. Stateful set
Answer: C
Explanation:
https://kubernetes.io/docs/concepts/workloads/controllers/deployment/
NEW QUESTION 80
Which statement is true about Pod Networking?
- A. All containers in a pod share a single IP address
- B. All containers in a pod get a unique IP address
- C. All pod requires an external DNS server to get the hostname
- D. All pod requires NAT to get a unique IP address.
Answer: A
Explanation:
https://kubernetes.io/docs/concepts/workloads/pods/#pod-networking
NEW QUESTION 81
Which of the following is used to request storage in Kubernetes?
- A. PersistentVolumeClaim 'PVC'
- B. StorageClasses
- C. PersistentVolume 'PV'
- D. Container Storage Interface 'CSI'
Answer: A
Explanation:
https://kubernetes.io/docs/concepts/storage/persistent-volumes/
NEW QUESTION 82
What is the name for the tool that manages communication between pods, injects a sidecar proxy container into each pod and directs network traffic through the proxy container?
- A. Deployment
- B. Network policy
- C. Service mesh
- D. namespace
- E. Service
Answer: C
NEW QUESTION 83
Which of the following factors does scheduling take into account when selecting a Node?
- A. How many replicas there are in a Deployment
- B. Services
- C. Resource requirements
- D. The number of existing Pods on a Node
Answer: C
Explanation:
Scheduling takes resource requirements into account in the form of resource requests.
NEW QUESTION 84
Which organizational persona creates Service Level Agreements 'SLA', Service Level Objectives 'SLO', and Service Level Indicator 'SLI'?
- A. Developer
- B. DevSecOps
- C. Security and Compliance Engineer
- D. DevOps
- E. Site Reliability Engineer (SRE)
Answer: E
Explanation:
SREs create SLAs, SLOs, and SLIs to define and implement standards for application and infra-structure reliability.
NEW QUESTION 85
How should folks new to the cloud native ecosystem, go about learning the different aspects of the ecosystem?
- A. by signing up the CNCF slack
- B. by looking at the cloud native landscape
- C. by reading the Kubernetes documentation
- D. by looking at the cloud native trail-map
Answer: D
Explanation:
https://github.com/cncf/landscape#trail-map
NEW QUESTION 86
Which is not a service type in Kubernetes?
- A. Ingress
- B. ClusterIP
- C. NodePort
- D. LoadBalancer
- E. ExternalName
Answer: A
Explanation:
https://kubernetes.io/docs/tutorials/kubernetes-basics/expose/expose-intro/
NEW QUESTION 87
Which control plane component is responsible for scheduling pods?
- A. kube-proxy
- B. kube api-server
- C. kube scheduler
- D. kubelet
Answer: C
Explanation:
https://kubernetes.io/docs/concepts/overview/components/
NEW QUESTION 88
What is the command used to scale the application?
- A. kubectl explain
- B. kubectl run
- C. kubectl scale
Answer: C
Explanation:
https://kubernetes.io/docs/reference/generated/kubectl/kubectl-commands#scale
NEW QUESTION 89
What is the most common way to scale the application in the cloud environment?
- A. Parallel Scaling
- B. Vertical Scaling
- C. Horizontal Scaling
Answer: C
Explanation:
https://kubernetes.io/docs/tasks/run-application/horizontal-pod-autoscale/
NEW QUESTION 90
What is the default service type in Kubernetes?
- A. serviceType
- B. NodePort
- C. CusterIP
- D. loadBalancer
Answer: C
Explanation:
https://kubernetes.io/docs/concepts/services-networking/service/#publishing-services-service-types
NEW QUESTION 91
What is the use of labels in Kubernetes?
- A. It is used to assign annotation to an object
- B. It is used to assign key-value pair to an object
- C. All of the options
- D. It is used to assign a name to an object.
Answer: B
Explanation:
https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/
NEW QUESTION 92
What is horizontal scaling?
- A. Adding additional replicas of apps and servers
- B. Creating a Deployment
- C. Adding resources to existing apps and servers
- D. Moving workloads from one server to another
Answer: A
Explanation:
https://kubernetes.io/docs/tasks/run-application/horizontal-pod-autoscale/
NEW QUESTION 93
In Kubernetes, what is considered the primary cluster data source?
- A. api server
- B. scheduler
- C. etcd (pronounce: esty-d)
- D. kubelet
Answer: C
Explanation:
https://kubernetes.io/docs/concepts/overview/components/#etcd
NEW QUESTION 94
Which is NOT a use case for the Kubernetes dashboard?
- A. Managing the entire Kubernetes cluster
- B. Troubleshooting any issues with applications
- C. Managing running applications
- D. Installing new Kubernetes cluster
Answer: D
NEW QUESTION 95
Which style of operations are preferred for K8S and cloud native applications?
- A. Declarative
- B. JSON
- C. Imperative
Answer: A
Explanation:
https://kubernetes.io/docs/tasks/manage-kubernetes-objects/declarative-config/#trade-offs
NEW QUESTION 96
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