What is autoscaling?
Automatically measuring resource usage
Automatically assigning workloads to nodes in a cluster
Automatically repairing broken application instances
Automatically adding or removing compute resources as needed
https://kubernetes.io/blog/2016/07/autoscaling-in-kubernetes/
Autoscaling means automatically scaling up or down in response to real-time usage data.
Which of the following is not the required field to describe Kubernetes objects?
metadata
apiVersion
Kind
Container
spec
https://kubernetes.io/docs/concepts/overview/working-with-objects/kubernetes-objects/
Graphical user interface, text, application Description automatically generated
The Kubernetes rolling update is used for __.
Updating a service
Scaling an application
Updating a deployment
https://kubernetes.io/docs/tutorials/kubernetes-basics/update/update-intro/
Graphical user interface, text Description automatically generated with medium confidence
Which project in this list is a leading project in the observability space?
Jaeger
Vitess
Argo
Kubernetes
https://github.com/cncf/landscape#trail-map
How would you return all the pod data in the json format using kubectl command?
kubectl get pods -o json
kubectl get pods --all-namspaces
kubectl get pods -o wide
kubectl get pods -o jsonpath
https://kubernetes.io/docs/reference/generated/kubectl/kubectl-commands#get
Which of the following is an example of vertical scaling?
Using cluster autoscaler
Adding more resources (memory and/or cpu) to a kubernetes node
Adding more nodes to kubernetes cluster
Adding more replica pods to a deployment
https://kubernetes.io/docs/tasks/run-application/horizontal-pod-autoscale/
Text Description automatically generated
What is OPA?
Open Permission Agent
Online Policy Audit
Open Policy Agent
Offline Policy Accessor
https://www.cncf.io/projects/open-policy-agent-opa/
Graphical user interface, text, application, email Description automatically generated
What does CNCF stand for?
Cloud Native Computing Foundation
Cloud Native Cloud Foundation
Cloud Native Container Foundation
https://www.cncf.io/about/who-we-are/
What are the two major components of service mesh?
Control plane and Data plane
Master plane and Data plane
None of the options
Controller plane and User plane
Master plane and User plane
https://istio.io/latest/about/service-mesh/
What is the most common way to scale the application in the cloud environment?
Parallel Scaling
Horizontal Scaling
Vertical Scaling
Which of the following provides cloud-native storage orchestration?
Cloud Provider Specific storage (EBS, EFS, Cloud Storage)
Cloud Storage
Storage IO
https://kubernetes.io/docs/concepts/storage/persistent-volumes/#types-of-persistent-volumes
Table Description automatically generated with medium confidence
What is container runtime?
The amount of time it takes a container to execute
A container image format
Another term of kubelet or kubectl
Software that runs containers
https://www.aquasec.com/cloud-native-academy/container-security/container-runtime/
Which role is responsible of creating service level indicator 'SLI', service level objective 'SLO', & Service Level Agreements 'SLA'
Site reliability engineer 'SRE'
DevOps
GitOps
Security and compliance engineer
Developer
https://www.atlassian.com/incident-management/kpis/sla-vs-slo-vs-sli
Notary and the update framework leading security projects in CNCF
TRUE
FALSE
A picture containing timeline Description automatically generated
What is etcd used for in Kubernetes?
Integration with cloud platforms
Network routing for the cluster
Kubernetes API security
Backend object storage for the Kubernetes API
etcd serves as a distributed object store that backs the Kubernetes API.
TESTED 21 Nov 2024