Docker DCA Cert Guide PDF 100% Cover Real Exam Questions [Q74-Q91]

NEW QUESTION 74
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 the user directly to the list of users with read/write access under the repository’s Permissions tab.

Yes

NEW QUESTION 75
Is this an advantage of multi-stage builds?
Solution: optimizes Images by copying artifacts selectively from previous stages

Yes

NEW QUESTION 76
A Kubernetes node is allocated a /26 CIDR block (64 unique IPs) for its address space.
If every pod on this node has exactly two containers in it, how many pods can this address space support on this node?

32 In every Kubernetes namespace

64 for every service routing to pods on this node

NEW QUESTION 77
How do you configure Docker engine to use a registry that is not configured with TLS certificates from a trusted CA?

Set IGNORE_TLS in the ‘daemon.json’ configuration file.

Set and export the IGNORE_TLS environment variable on the command line

Set INSECURE_REGISTRY in the ‘/etc/docker/default’ configuration file

Pass the ‘–insecure.-registry’ flag to the daemon at run time

NEW QUESTION 78
Is this a Linux kernel namespace that is disabled by default and must be enabled at Docker engine runtime to be used?
Solution: user

Yes

NEW QUESTION 79
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

NEW QUESTION 80
A persistentVolumeClaim (PVC) is created with the specification storageClass: “”, and size requirements that cannot be satisfied by any existing persistentVolume.
Is this an action Kubernetes takes in this situation?
Solution: The PVC remains unbound until a persistentVolume that matches all requirements of the PVC becomes available.

Yes

NEW QUESTION 81
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>

NEW QUESTION 82
A users attempts to set the system time from inside a Docker container are unsuccessful. Could this be blocking this operation?
Solution: inter-process communication

Yes

NEW QUESTION 83
Will this sequence of steps completely delete an image from disk in the Docker Trusted Registry?
Solution: Delete the image and delete the image repository from Docker Trusted Registry

Yes

NEW QUESTION 84
You want to mount external storage to a particular filesystem path in a container in a Kubernetes pod. What is the correct set of objects to use for this?

a volume in the pod specification, populated with a perslstentVolumeClaim bound to a perslstentVolume defined by a storageClass

a storageClass In the pod’s specification, populated with a volume which Is bound to a provisioner defined by a persistentVolume

a volume in the pod specification, populated with a storageClass which is bound to a provisioner defined by a perslstentVolume

a perslstentVolume in the pod specification, populated with a persistentVolumeClaim which is bound to a volume defined by a storageClass

NEW QUESTION 85
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 -service udp dns-cache’

Yes

NEW QUESTION 86
Which of the following is NOT backed up when performing a Docker Trusted backup operation?

Access control to repos and images

Repository metadata

Image blobs

DTR configurations

NEW QUESTION 87
Is this an advantage of multi-stage builds?
Solution: better caching when building Docker images

Yes

NEW QUESTION 88
The Kubernetes yaml shown below describes a clusterIP service.

Is this a correct statement about how this service routes requests?
Solution: Traffic sent to the IP of any pod with the label app: nginx on port 8080 will be forwarded to port 80 in that pod.

Yes

NEW QUESTION 89
In the context of a swarm mode cluster, does this describe a node?
Solution: an instance of the Docker engine participating in the swarm

Yes

NEW QUESTION 90
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

NEW QUESTION 91
Will this action upgrade Docker Engine CE to Docker Engine EE?
Solution: Delete ‘/var/lib/docker’ directory.

Yes