[Jun-2022] Updated Docker DCA Dumps – PDF & Online Engine [Q98-Q112]

[Jun-2022] Updated Docker DCA Dumps – PDF & Online Engine

DCA.pdf – Questions Answers PDF Sample Questions Reliable

How to study the Docker Certified Associate Exam

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NO.98 Is this an advantage of multi-stage builds?
Solution: optimizes Images by copying artifacts selectively from previous stages

 Yes

 No

NO.99 A users attempts to set the system time from inside a Docker container are unsuccessful. Could this be blocking this operation?
Solution: Linux capabilities

 Yes

 No

NO.100 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?

 Tag the image with ‘nginx:immutable’

 Remove push access from all other users.

 Use the DTR web UI to make the tag immutable.

 Keep a backup copy of the image on another repository.

NO.101 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

 32 In every Kubernetes namespace

 64 for every service routing to pods on this node

 64

NO.102 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: label contraints

 Yes

 No

NO.103 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

 No

NO.104 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

NO.105 Will this command list all nodes in a swarm cluster from the command line?
Solution: ‘docker Is -a’

 Yes

 No

NO.106 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. If the test fails, the container will be restarted three times before it gets rescheduled.

 Yes

 No

NO.107 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.108 Is this a function of UCP?
Solution: image role-based access control

 Yes

 No

NO.109 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

 Yes

 No

NO.110 Which one of the following commands will result in the volume being removed automatically once the container has exited?

 ‘docker run –del -v /foo busybox’

 ‘docker run –read-only -v /foo busybox’

 ‘docker run –rm -v /foo busybox’

 ‘docker run –remove -v /foo busybox’

NO.111 The following health check exists in a Dockerfile:
‘HEALTCHECK CMD curl –fail http://localhost/health || exit 1’
Which of the following describes its purpose?

 Defines the action taken when container health fails, which in this case will kill the container with exit status 1

 Defines the health check endpoint on the localhost interface for external monitoring tools to monitor the health of the docker engine.

 Defines the health check endpoint on the local host interface for containers to monitor the health of the docker engine.

 Defines the health check for the containerized application so that the application health can be monitored by the Docker engine

NO.112 Which set of commands can identify the publishd port(s) for a container? (Choose 1.)

 ‘docker port inspect’, ‘docker container inspect’

 ‘docker container inspect’, docker port’

 ‘docker info’,’docker network inspect’

 ‘docker network inspect’,’docker port’

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How to Prepare For Docker Certified Associate Exam

Preparation Guide for Docker Certified Associate Exam

Introduction

Docker is one of the open-source technology and very much demanding these days in IT, It had brought a revolution in the container technology, Docker has created a track for certification where an individual can appear and validate their skill set. This certification program will provide Docker Cloud Certified Associate a way to demonstrate their skills. The assessment is based on a rigorous exam using the industry-standard methodology to determine whether a candidate meets Docker’s proficiency standards.

According to Docker, a DCA Certified Professional enables organizations will able to provision containers as and when they required using container images.

Certification is evidence of your skills, expertise in those areas in which you like to work. If the candidate wants to work on Docker Containerization technologies and prove his knowledge, certification is offered by Docker. This DCA Exam Certification helps a candidate to validates his skills in Docker Containerization technologies.

In this guide, we will cover the Docker Certified Associate Certification exam, Docker Certified Associate Certified professional salary and all aspects of the Docker Certified Associate Certification.

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