真题解析

题目

解析

NetworkPolocy 官方文档：

https://kubernetes.io/zh-cn/docs/concepts/services-networking/network-policies/

创建 NetworkPolicy 资源

# vim network-policy.yaml
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: defaultdeny
  namespace: production
spec:
  podSelector: {}
  policyTypes:
  - Ingress

kubectl create -f network-policy.yaml