Integrate an Application into a Prebuilt CD Environment Leveraging Docker and Kubernetes 350-901 Practice Questions (Page 7)

Questions 31–35

1. 31foundation · easy

   Which Dockerfile instruction copies files from the build context into the image?

   • AWORKDIR
   • BCOPY
   • CADD
   • DENV
   Reveal Solution Discussion Select an answer first
2. 32foundation · easy

   Which `kubectl` command scales a Deployment to a specific number of replicas?

   • Akubectl resize deployment myapp --replicas=5
   • Bkubectl scale deployment myapp --replicas=5
   • Ckubectl update deployment myapp --replicas=5
   • Dkubectl set replicas deployment myapp --replicas=5
   Reveal Solution Discussion Select an answer first
4. 33application · medium

   A CI/CD pipeline is being set up for a Node.js application. The pipeline has stages for build, test, and deploy. The build stage should create a Docker image and push it to a registry. The deploy stage should pull that image and deploy it to Kubernetes. Which sequence of commands should be in the pipeline?

   • Adocker build -t registry.example.com/myapp:$CI_PIPELINE_ID . && docker push registry.example.com/myapp:$CI_PIPELINE_ID
   • Bdocker build -t myapp:latest . && docker export myapp:latest > myapp.tar
   • Cdocker build -t myapp:latest . && docker push myapp:latest
   • Ddocker build -t myapp:latest . && docker save myapp:latest | ssh deploy-server 'docker load'
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5. 34foundation · easy

   What is the purpose of Kubernetes Role-Based Access Control (RBAC)?

   • ATo scan container images for vulnerabilities.
   • BTo manage network traffic between pods.
   • CTo encrypt data at rest in the cluster.
   • DTo control what users and service accounts can do within the cluster.
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6. 35foundation · easy

   What is the purpose of tagging a Docker image?

   • ATo assign a unique identifier to the image for versioning and identification.
   • BTo specify the base image used to build the image.
   • CTo encrypt the image so only authorized users can pull it.
   • DTo determine the runtime environment of the container.
   Reveal Solution Discussion Select an answer first