DCA Exam Questions
166 real DCA exam questions with expert-verified answers and explanations. Page 4 of 4.
- Question #151Container Orchestration
In the context of a swarm mode cluster, does this describe a node? Solution: an instance of the Docker engine participating in the swarm
Docker SwarmNode definitionCluster architecture - Question #152Security
Is this a function of UCP? Solution: scans images to detect any security vulnerability
UCP functionalityImage vulnerability scanningDocker Enterprise architecture - Question #153Security
Is this a function of UCP? Solution: image role-based access control
UCPRBACSecurityImage Access Control - Question #154Security
Is this a function of UCP? Solution: enforces the deployment of signed images to the cluster
Docker UCPImage SigningContent TrustSecurity Policies - Question #155Storage and Volumes
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?
Kubernetes StoragePersistent VolumesStorageClassDynamic Provisioning - Question #156Installation and Configuration
How do you change the default logging driver for the docker daemon in Linux?
LoggingLogging AgentsLog CollectionHost Configuration - Question #157Installation and Configuration
When an application being managed by UCP fails, you would like a summary of all requests made to the UCP API in the hours leading up to the failure. What must be configured correct...
UCPAudit LogsAPI LoggingConfiguration - Question #158Container Orchestration
You are running only Kubernetes workloads on a worker node that requires maintenance, such as installing patches or an OS upgrade Which command must be run on the node to gracefull...
KubernetesNode schedulingNode maintenancekubectl - Question #159Networking
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 sp...
Kubernetes NetworkingPod IP allocationCIDR blocksServices - Question #160Image Creation, Management, and Registry
Some Docker images take time to build through a Continuous Integration environment. You want to speed up builds and take advantage of build caching. Where should the most frequentl...
DockerfileBuild CachingImage Build OptimizationDocker Image Layers - Question #161Image Creation, Management, and Registry
You 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?
DTRPruning policiesImage lifecycleRegistry management - Question #162Image Creation, Management, and Registry
You are pulling images from a Docker Trusted Registry installation configured to use self-signed certificates, and this error appears: 'x509: certificate signed by unknown authorit...
Docker RegistryCertificatesDaemon ConfigurationTroubleshooting - Question #163Networking
Which networking drivers allow you to enable multi-host network connectivity between containers?
Docker NetworkingMulti-host NetworkingNetwork DriversOverlay Network - Question #164Security
Which 'docker run' flag lifts cgroup limitations?
docker runprivileged modecgroupscontainer security - Question #165Container Orchestration
Two pods bear the same label, app: dev. Will a label selector matching app: dev match both of these pods?
LabelsSelectorsNamespacesPods - Question #166Container Orchestration
Which statement is correct about cluster management in Docker Enterprise Edition 3.x?
Docker Enterprise EditionCluster ManagementNode CompatibilitySupported OS