B. A resource limit is a soft limit for your service, while a reservation is hard limit and the docker engine will do its best to keep your service at the limit. C. A resource limit is used to find a host with adequate resources for scheduling a hard limit for your service, while a reservation is hard limit for your service. D. A resource limit is hard limit for your service, while a reservation is used to find a host with adequate resources for scheduling. Correct Correct Answer: A QUESTION 9 You have deployed a service to swarm. Which command uses the Docker CLI to set the number of tasks of the services to 5? (choose 2) A. \\'docker service update --replicas=5 \\' B. \\'docker replica update =5\\' C. \\'docker update service =5\\' D. \\'docker service replicas =5\\' E. \\'docker service scale = 5\\'\\' Correct Answer: AE QUESTION 10 What is the purpose of multi-stage builds? A. Better logical separation of Dockerfile instructions for better readability B. Optimizing images by copying artifacts selectively from previous stages C. Better caching when building Docker images DCA PDF Dumps | DCA Study Guide | DCA Exam Questions 4 / 6
2020 Latest certbus DCA PDF and VCE dumps Download D. Faster image builds by allowing parallel execution of Docker builds Correct Answer: B QUESTION 11 Which of the following commands will ensure that overlay traffic between service tasks is encrypted? A. docker service create --network --secure B. docker network create -d overlay --secure C. docker network create -d overlay -o encrypted=true D. docker service create --network --encrypted Correct Answer: C QUESTION 12 From a DevOps process standpoint, it is best practice to keep changes to an application in version control. Which of the
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