New 2022 Guaranteed Success with PremiumVCEDump DCA Dumps Docker PDF Questions [Q66-Q83]

4 Jun, 2022 By admin DCA, Docker 0 Comments

New 2022 Guaranteed Success with PremiumVCEDump DCA Dumps Docker PDF Questions [Q66-Q83]

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New 2022 Guaranteed Success with PremiumVCEDump DCA Dumps Docker PDF Questions

Exceptional Practice To Docker Certified Associate (DCA) Exam Pass the First Time

NO.66 Will a DTR security scan detect this?
Solution: licenses for known third party binary components

Yes

NO.67 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 unhealthy container is restarted.

Yes

NO.68 Which of the following is true about overlay networks?

Overlay networks are created only on the manager node that you created the overlay networking on

Overlay networks are created on all cluster nodes when you create the overlay network.

Overlay networks are first created on the manager nodes. Then they are created on the worker nodes once a task is scheduled on the specific worker node.

Overlay networks are only created on the manager nodes.

Explanation

NO.69 The output of which command can be used to find the architecture and operating system an image is
compatible with?

docker image inspect –filter {{.Architecture}} {{.OS}} ‘ <image-id>

docker image ls <image-id>

docker image inspect –format {{.Architecture}} {{.OS}} ‘ <image-id>

docker image info <image-id>

NO.70 What is the purpose of a client bundle in the Universal Control Plane?

Authenticate a user using client certificates to the Universal Control Plane

Provide a new user instructions for how to login to the Universal Control Plane

Provide a user with a Docker client binary compatible with the Universal Control Plane

Group multiple users in a team in the Universal Control Plane

NO.71 Seven 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.72 Which of the following are types of namespaces used by Docker to provide isolation? (Choose 2.)

Authentication

Process ID

Storage

Network

Host

NO.73 Two development teams in your organization use Kubernetes and want to deploy their applications while ensuring that Kubernetes-specific resources, such as secrets, are grouped together for each application.
Is this a way to accomplish this?
Solution: Add all the resources to the default namespace.

Yes

NO.74 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 logs <container-id>

Yes

NO.75 Will this configuration achieve fault tolerance for managers in a swarm?
Solution: an odd number of manager nodes, totaling more than two

Yes

NO.76 You want to create a container that is reachable from its host’s network. Does this action accomplish this?
Solution: Use network attach to access the containers on the bridge network

Yes

NO.77 Which of the following constitutes a production-ready devicemapper configuration for the Docker engine?

Create a volume group in devicemapper and utilize the ‘–dm.thinpooldev’ Docker daemon option, specifying the volume group

Format a partition with xfs and mount it at ‘/var/lib/docker’

Utilize the ‘–storage-opt dm.directlvm_device’ Docker daemon option, specifying a block device

Nothing, devicemapper comes ready for production usage out of the box

Explanation

NO.78 Which of the following commands starts a Redis container and configures it to always restart unless it is
explicitly stopped or Docker is restarted?

‘docker run -d –restart-policy unless-stopped redis’

‘docker run -d –restart omit-stopped redis’

‘docker run -d –restart unless-stopped redis’

‘docker run -d –failure omit-stopped redis’

NO.79 Which of the following commands will create a swarm service which only listens on port 53 using the UDP protocol?

docker service create –name dns-cache -p 53:53/udp dns-cache

docker service create –name dns-cache -p 53:53 –service udp dns-cache

docker service create –name dns-cache -p 53:53 ..constraint
networking.protocol.udp=true dns-cache

docker service create –name dns-cache -p 53:53 –udp dns-cache

NO.80 A user is having problems running Docker. Which of the following will start Docker in debug mode?

Set the debug key to true in the ‘daemon.json’ file.

Start the ‘dockerd’ process manually with the ‘–logging’ flag set to debug

Set the logging key to debug in the ‘daemon.json’ file.

Start the ‘dockerd’ process manually with the ‘–raw-logs’ flag set to debug

NO.81 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

Yes

NO.82 From a DevOps process standpoint, it is best practice to keep changes to an application in version control. Which of the following will allow changes to a docker Image to be stored in a version control system?

docker commit

docker save

A docker-compose.yml file

A dockerfile

NO.83 Is this a function of UCP?
Solution: image role-based access control

Yes

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