This page was exported from Free valid test braindumps [ http://free.validbraindumps.com ] Export date:Sat Apr 5 14:17:20 2025 / +0000 GMT ___________________________________________________ Title: Certification Topics of DCA Exam PDF Recently Updated Questions [Q27-Q45] --------------------------------------------------- Certification Topics of DCA Exam PDF Recently Updated Questions DCA Exam Prep Guide: Prep guide for the DCA Exam The benefit of obtaining the Docker Certified Associate Exam Certification DCA Exam provide proven knowledge to use the tools to complete the task efficiently and cost-effectively than the other non-certified professionals lack in doing so.DCA credential delivers higher earning potential and increased promotion opportunities because it shows a good understanding of Docker containerization technology.DCA Certifications provide opportunities to get a job easily in which they are interested in instead of wasting years and ending without getting any experience.This certification will be judging your skills and knowledge on your understanding of Docker containerization technology concepts & Understanding of how to operate on Docker.This accreditation is a portable proof of skills in containerization technology. 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These exam dumps are viewed as the best source to understand the Docker Certified Associate well by simply pursuing examples questions and answers. If the candidate completes practice the exam with certification DCA Dumps along with self-assessment to get the proper idea on Docker accreditation and able to ace the certification exam.   QUESTION 27You have just executed ‘docker swarm leave’ on a node. What command can be run on the same node to confirm it has left the cluster?  docker node ls  docker system info  docker system status  docker system status QUESTION 28Is this the purpose of Docker Content Trust?Solution: Verify and encrypt Docker registry TLS.  Yes  No QUESTION 29The following health check exists in a Dockerfile:‘HEALTCHECK CMD curl –fail http://localhost/health || exit 1’Which of the following describes its purpose?  Defines the action taken when container health fails, which in this case will kill the container with exit status 1  Defines the health check endpoint on the localhost interface for external monitoring tools to monitor the health of the docker engine.  Defines the health check endpoint on the local host interface for containers to monitor the health of the docker engine.  Defines the health check for the containerized application so that the application health can be monitored by the Docker engine QUESTION 30Is this a Linux kernel namespace that is disabled by default and must be enabled at Docker engine runtime to be used?Solution: net  Yes  No QUESTION 31During development of an application meant to be orchestrated by Kubernetes, you want to mount the /data directory on your laptop into a container.Will this strategy successfully accomplish this?Solution: Create a PersistentVolume with storageciass: “” and hostPath: /data, and a persistentVolumeClaim requesting this PV. Then use that PVC to populate a volume in a pod  Yes  No QUESTION 32You want to create a container that is reachable from its host’s network. Does this action accomplish this?Solution: Use either EXPOSE or –publish to access the containers on the bridge network  Yes  No QUESTION 33Will this command list all nodes in a swarm cluster from the command line?Solution: ‘docker swarm nodes’  Yes  No QUESTION 34Is this an advantage of multi-stage builds?Solution: optimizes Images by copying artifacts selectively from previous stages  Yes  No QUESTION 35Seven managers are in a swarm cluster.Is this how should they be distributed across three datacenters or availability zones?Solution: 3-3-1  Yes  No QUESTION 36You have created a Docker bridge network on a host with three containers attached, how do you make this containers accessible outside of the host?  Use network attach to access the containers on the bridge network  Use either EXPOSE or –publish to access the containers on the bridge network  Use network connect to access the containers on the bridge network  Use –link to access the containers on the bridge networkCorrect QUESTION 37A company’s security policy specifies that development and production containers must run on separate nodes in a given Swarm cluster.Can this be used to schedule containers to meet the security policy requirements?Solution: label contraints  Yes  No QUESTION 38Will this command ensure that overlay traffic between service tasks is encrypted?Solution: docker network create -d overlay -o encrypted=true <network-name>  Yes  No QUESTION 39A docker service ‘web’ is running with a scale factor of 1 (replicas = 1).Bob intends to use the command ‘docker service update –replicas=3 web’.Alice intends to use the command ‘docker service scale web=3’.How do the outcomes oft these two commands differ?  Bob’s command results in an error. Alice’s command updates the number of replicas of the ‘web’ service to 3.  Bob’s command only updates the service definition, but no new replicas are started. Alice’s command results in the actual scaling up of the ‘web’ service.  Bob’s command updates the number of replicas of the ‘web’ service to 3. Alice’s command results in an error.  Both Bob’s and Alice’s commands result in exactly the same outcome, which is 3 instances of the ‘web’ service. QUESTION 40Will a DTR security scan detect this?Solution: licenses for known third party binary components  Yes  No QUESTION 41Does this command display all the pods in the cluster that are labeled as ‘env: development’?Solution: ‘kubectl get pods -I env=development’  Yes  No QUESTION 42What behavior is expected when a service is created with the following command:‘docker service create –publish 8000:80 nginx’  All nodes in the cluster will listen on port 8080 and forward to port 80 in the container.  Only a single node in the cluster will listen on port 8080 and forward to port 80 in thecontainer.  All nodes in the cluster will listen on port 80 and forward to port 8080 in the container.  Only a single node in the cluster will listen on port 80 and forward to port 8080 in the container. QUESTION 43You set up an automatic pruning policy on a DTR repository to prune all images using Apache licenses. What effect does this have on images in this repository?  Matching images are untagged once they are older than the pruning threshold set in the repository’s Settings tab.  Matching Images are untagged during the next prune job.  Matching images are deleted during the next prune Job.  Matching images are untagged during the next prune job, and subsequently deleted once they are older than the pruning threshold set in the repository’s Settings tab. QUESTION 44Two pods bear the same label, app: dev.Will a label selector matching app: dev match both of these pods?  Yes, as long as all the containers in those pods are passing their livenessProbes and readinessProbes.  Yes, if both pods were pre-existing when the label selector was declared.  Yes, if the pods are in the same Kubernetes namespace as the object bearing the label selector  Yes, if the pods are in the same Kubernetes namespace as the object bearing the label selector and both pods were preexisting when the label selector was declared. QUESTION 45You want to provide a configuration file to a container at runtime. Does this set of Kubernetes tools and steps accomplish this?Solution: Mount the configuration file directly into the appropriate pod and container using the .spec.containers.configMounts key.  Yes  No  Loading … For more info read reference: Docker blog Docker Use Case Docker Newsrooms Docker Exam Preparation Guide Docker Docs Docker forums   2022 New Preparation Guide of Docker DCA Exam: https://www.validbraindumps.com/DCA-exam-prep.html --------------------------------------------------- Images: https://free.validbraindumps.com/wp-content/plugins/watu/loading.gif https://free.validbraindumps.com/wp-content/plugins/watu/loading.gif --------------------------------------------------- --------------------------------------------------- Post date: 2022-06-16 12:16:34 Post date GMT: 2022-06-16 12:16:34 Post modified date: 2022-06-16 12:16:34 Post modified date GMT: 2022-06-16 12:16:34