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WorksheetsDocker and Kubernetes - Day-3
Total questions: 10
Worksheet time: 5mins
Which Kubernetes component manages the assigning PODs to nodes?
etcd
API Server
Scheduler
POD Controller
What is the name of namespace in Kubernetes which is used for special cluster purposes?
Default
kube-system
kube-config
kubesystem
An abstraction in Kubernetes which allows access to a logical set of Pods is?
kube-proxy
Service
Deployment
LoadBalancer
What you can use in Kubernetes to ensure that your application is ready to handle incoming traffic?
Liveness Probe
Readiness Probe
Service Probe
Startup time Probe
If the given POD is restarted what will happen to its IP address?
Will be the same. Only recreating the POD assigns new IP
Will change to new one
Will be hold until POD finish with state Failed
Will move to new instance of the POD
What is the correct FQDN for service "nginx" in namespace "app"?
nginx.app.local
nginx.app.svc.cluster.local
nginx.app.cluster.local
nginx.svc.cluster.local
Why is the old ReplicaSet keep around (but scaled down to 0)?
It can be then reuse by new deployment of the same type of PODs
In case of rollback
In case of red-pin deployment type
In case of red-green deployment type
What Kubernetes service type only works with cloud-provider?
ClusterIP
NodePort
CloudService
LoadBalancer
Does removing the StatefulSet also remove associated PersistentVolumeClaims?
Yes
No
It depends on StatefulSetPolicy
What is an initContainer?
It is container that run before the main container
It is container that initialize the data for main container
It is container that is run when a K8s cluster boots up
It is container with init process for main container
