Kubernetes Namespaces and CNI Plug-Ins JN0-214 Practice Questions (Page 1)

Questions 1–5

1. 1foundation · easy

   How do CNI plug-ins enable pod-to-pod communication in Kubernetes?

   • ABy assigning each pod a unique IP address and configuring network routes
   • BBy creating a virtual private network between all nodes
   • CBy using DNS to resolve pod names to IP addresses
   • DBy proxying all traffic through the Kubernetes API server
   Reveal Solution Discussion Select an answer first
2. 2foundation · easy

   Where is the CNI configuration file typically located on a Kubernetes node?

   • A/var/lib/kubelet/
   • B/etc/cni/net.d/
   • C/opt/cni/bin/
   • D/etc/kubernetes/
   Reveal Solution Discussion Select an answer first
4. 3foundation · easy

   In a Kubernetes resource definition, which field specifies the namespace for the resource?

   • Ametadata.namespace
   • Bmetadata.name
   • Cspec.namespace
   • Dstatus.namespace
   Reveal Solution Discussion Select an answer first
5. 4application · easy

   A developer deploys a pod using the following YAML snippet: apiVersion: v1 kind: Pod metadata: name: web spec: containers: - name: web image: nginx No namespace is specified in the YAML. The developer runs 'kubectl apply -f pod.yaml' while the current context is set to the 'production' namespace. In which namespace will the pod be created?

   • AThe 'production' namespace
   • BThe 'default' namespace
   • CThe pod will fail to create because no namespace is specified
   • DThe 'kube-system' namespace
   Reveal Solution Discussion Select an answer first
6. 5foundation · easy

   Which kubectl command retrieves pods from a specific namespace named 'dev'?

   • Akubectl get pods --context dev
   • Bkubectl get pods --namespace dev
   • Ckubectl get pods --all-namespaces dev
   • Dkubectl get pods --selector namespace=dev
   Reveal Solution Discussion Select an answer first