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NEW QUESTION 81
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'
- A. Yes
- B. No
Answer: A
NEW QUESTION 82
Does this describe the role of Control Groups (cgroups) when used with a Docker container?
Solution: role-based access control to clustered resources
- A. No
- B. Yes
Answer: A
NEW QUESTION 83
After creating a new service named 'http', you notice that the new service is not registering as healthy. How do
you view the list of historical tasks for that service by using the command line?
- A. 'docker service ps http'
- B. 'docker service inspect http'
- C. 'docker ps http'
- D. 'docker inspect http'
Answer: A
NEW QUESTION 84
After creating a new service named 'http', you notice that the new service is not registering as healthy. How do you view the list of historical tasks for that service by using the command line?
- A. 'docker ps http'
- B. 'docker service inspect http'
- C. 'docker service ps http'
- D. 'docker inspect http'
Answer: B
NEW QUESTION 85
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. a perslstentVolume in the pod specification, populated with a persistentVolumeClaim which is bound to a volume defined by a storageClass
- B. a volume in the pod specification, populated with a storageClass which is bound to a provisioner defined by a perslstentVolume
- C. a storageClass In the pod's specification, populated with a volume which Is bound to a provisioner defined by a persistentVolume
- D. a volume in the pod specification, populated with a perslstentVolumeClaim bound to a perslstentVolume defined by a storageClass
Answer: C
NEW QUESTION 86
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'
- A. No
- B. Yes
Answer: A
NEW QUESTION 87
What is the docker command to find the current logging driver for a running container?
- A. docker stats
- B. docker info
- C. docker config
- D. docker inspect
Answer: D
NEW QUESTION 88
Seven managers are in a swarm cluster.
Is this how should they be distributed across three datacenters or availability zones?
Solution: 3-3-1
- A. No
- B. Yes
Answer: A
NEW QUESTION 89
Which of the following is NOT backed up when performing a Docker Trusted backup operation?
- A. Access control to repos and images
- B. Image blobs
- C. DTR configurations
- D. Repository metadata
Answer: B
NEW QUESTION 90
In the context of a swarm mode cluster, does this describe a node?
Solution: a virtual machine participating in the swarm
- A. No
- B. Yes
Answer: A
NEW QUESTION 91
The Kubernetes yaml shown below describes a networkPolicy.
Will the networkPolicy BLOCK this traffic?
Solution: a request issued from a pod lacking the tier: api label, to a pod bearing the tier: backend label
- A. Yes
- B. No
Answer: A
NEW QUESTION 92
Is this the purpose of Docker Content Trust?
Solution: Verify and encrypt Docker registry TLS.
- A. Yes
- B. No
Answer: A
NEW QUESTION 93
Will this action upgrade Docker Engine CE to Docker Engine EE?
Solution: Delete '/var/lib/docker' directory.
- A. No
- B. Yes
Answer: A
NEW QUESTION 94
You want to provide a configuration file to a container at runtime. Does this set of Kubernetes tools and steps accomplish this?
Solution: Turn the configuration file into a configMap object, use it to populate a volume associated with the pod, and mount that file from the volume to the appropriate container and path.
- A. Yes
- B. No
Answer: A
NEW QUESTION 95
Is this a type of Linux kernel namespace that provides container isolation?
Solution: Storage
- A. No
- B. Yes
Answer: A
NEW QUESTION 96
You 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
- A. Yes
- B. No
Answer: A
NEW QUESTION 97
Which statement is true?
- A. ENTRYPOINT cannot be used in conjuction with CMD
- B. CMD is used to run the software is the image along with any arguments
- C. ENTRYPOINT cannot be overriden in the "docker container run" command
- D. CMD shell format uses this form ["param", param", "param"]
Answer: D
NEW QUESTION 98
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>
- A. No
- B. Yes
Answer: A
NEW QUESTION 99
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.
- A. Yes
- B. No
Answer: A
NEW QUESTION 100
Will this command ensure that overlay traffic between service tasks is encrypted?
Solution: docker network create -d overlay -o encrypted=true <network-name>
- A. Yes
- B. No
Answer: A
NEW QUESTION 101
Will this command mount the host's '/data' directory to the ubuntu container in read-only mode?
Solution: 'docker run --add-volume /data /mydata -read-only ubuntu'
- A. No
- B. Yes
Answer: A
NEW QUESTION 102
Which statement is correct about cluster management in Docker Enterprise Edition 3.x?
- A. Clusters can contain Linux only.
- B. Clusters can contain Linux and Windows Server 2008 R2 only.
- C. Clusters can contain Linux, Windows Server 2016 and 2019, and Linux on IBM z Systems.
- D. Clusters can contain Windows 10 and Windows Server 2016 only.
Answer: D
NEW QUESTION 103
Does this command display all the pods in the cluster that are labeled as 'env: development'?
Solution: 'kubectl get pods --all-namespaces -label env=development'
- A. No
- B. Yes
Answer: A
NEW QUESTION 104
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