Kubernetes Essentials 3

Can pods in multiple namespaces communicate with each other with default settings?

• Yes

• No

What does directive spec.podSelector: {} mean in NetworkPolicy?

• Traffic is allowed to all pods

• Traffic is denied to all pods

• Policy applies to any pod

• Policy applies to no pods

Which entities can be used to control traffic in network policies (multiple choice)?

• Nodes

• Namespaces

• Labels

• Network interfaces

• CIDRs

What service types are designed to be accessible from outside networks (multiple choice)?

• NodePort

• Headless service

• Load Balancer

• ExternalName

• Ingress

What mechanism does services use to choose pods to route traffic?

• Traffic is routed to pods in specific workload

• Traffic is routed to pods by labels

• Traffic is routed to pods in same namespace

• Traffic is routed to pods on the same node

What service type is capable of path based routing?

• ClusterIP

• NodePort

• Headless service

• Load Balancer

• Ingress

What parameters should match to enable PV to be bound to PVC (multiple choice)?

• Labels

• Access mode

• StorageClass

• HostPath

• Resource Capacity

Is it possible to bound PV/PVC by name?

• Yes

• No

What type of volume does not retain data upon container deletion?

• EmptyDir

• hostPath

• nfs

• configMap, secret