PrepAwayETE DCA dumps & Docker Certified Associate Sure Practice with 170 Questions [Q101-Q119]

NO.101 A 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: node taints

NO.102 A user is having problems running Docker. Which of the following will start Docker in debug mode?

NO.103 Does this command display all the pods in the cluster that are labeled as ‘env: development’?
Solution: ‘kubectl get pods –all-namespaces -I env=development’

NO.104 Your organization has a centralized logging solution, such as Splunk.
Will this configure a Docker container to export container logs to the logging solution?
Solution: docker system events –filter splunk

NO.105 Your organization has a centralized logging solution, such as Splunk.
Will this configure a Docker container to export container logs to the logging solution?
Solution: Set the log-driver and log-oPt keys to values for the logging solution (Splunk) In the daemon.json file.

NO.106 Does this command create a swarm service that only listens on port 53 using the UDP protocol?
Solution: ‘docker service create –name dns-cache -p 53:53/udp dns-cache’

NO.107 When seven managers are in a swarm cluster how would they be distributed across three datacenters or availability zones?

NO.108 If installing Docker using devicemapper for storage with the Intent to run production workloads, how should devicemapper be configured

NO.109 One of several containers in a pod is marked as unhealthy after failing its livenessProbe many times. Is this the action taken by the orchestrator to fix the unhealthy container?
Solution: The controller managing the pod is autoscaled back to delete the unhealthy pod and alleviate load.

NO.110 You add a new user to the engineering organization in DTR.
Will this action grant them read/write access to the engineering/api repository?
Solution: Add them to a team in the engineering organization that has read/write access to the engineering/api repository.

NO.111 Seven managers are in a swarm cluster.
Is this how should they be distributed across three datacenters or availability zones?
Solution: 3-3-1

NO.112 The following Docker Compose file is deployed as a stack:

Is this statement correct about this health check definition?
Solution: Health checks test for app health ten seconds apart. Three failed health checks transition the container into “unhealthy” status.

NO.113 Will this action upgrade Docker Engine CE to Docker Engine EE?
Solution: Delete ‘/var/lib/docker’ directory.

NO.114 Does this describe the role of Control Groups (cgroups) when used with a Docker container?
Solution: role-based access control to clustered resources

NO.115 Which one of the following commands will show a list of volumes for a specific container?

NO.116 What is the purpose of multi-stage builds?

NO.117 What is the docker command to find the current logging driver for a running container?

NO.118 In the context of a swarm mode cluster, does this describe a node?
Solution: an instance of the Docker engine participating in the swarm

NO.119 In Docker Trusted Registry, how would a user prevent an image, for example ‘nginx:latest’ from being
overwritten by another user with push access to the repository?