Given the following Kubernetes YAML snippet, what will be the result of applying it?

Given the following Kubernetes YAML snippet, what will be the result of applying it?

apiVersion: apps/v1
kind: Deployment
metadata:
  name: test-deploy
spec:
  replicas: 2
  selector:
    matchLabels:
      app: test
  template:
    metadata:
      labels:
        app: test
    spec:
      containers:
      - name: test-container
        image: nginx:1.19
        ports:
        - containerPort: 80
  strategy:
    type: RollingUpdate
    rollingUpdate:
      maxSurge: 1
      maxUnavailable: 0