Docker Certified Associate Exam Dumps with Answer for Practice

Docker Certification

A Docker certification validates your technical skills on the Docker platform. The certification is valid for two years, and the validity has to be renewed every two years. Upon passing the certification exam, you will receive a digital certificate and a docker certified associate logo. You will get access to a certified Dockers professional community network on LinkedIn. This certification is suitable for all those who want to get into the domain of Dockers and containers.

Benefits of Certification

A Certification in Docker certified associate endorses your skills in technologies relating to docker and containers. The certification will get you access to an extensive network of professionals. By possessing the certificate, employers can view your certificate online to understand your credentials. The Docker certified associate is the first certification in the Docker technology, which will eventually lead to a career path.

Benefits to career

A certification in docker certified associate will get you the requisite technical skills to install, maintain and run the platform. You will improve your skills as a developer, even in cloud app developer. Your career will be strengthened, and your CV will have more weight before your employers. A certification in DCA will help you to learn orchestration, networking and storage. You will also learn to collaborate and communicate effectively with the stakeholders.

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A Docker associate certification (DCA) will help you gain expertise in the configuration of Docker in various environments and implement best practices.  The DCA is a highly demanded emerging profession in the IT world. The Docker is one of the DevOps tools to create, deploy and execute applications by using containers. The application performance can increase drastically by the use of Docker. To take the DCA exam, you need 6-12 months of Docker experience. The Docker Associate Certification tests your ability in orchestration which has 25% weightage, image creation, management, and registry – 20%, installation, and configuration – 15%, networking – 15%, security – 15%, storage and volume – 10%.  To clear the certification exam, we have a tip for you. Don’t imagine a mountain before you. Breakdown the entire certification exam into smaller topics based on the weightage mentioned above. Start preparing with the topic with more weightage, then move to the next topic with the next highest weightage.

We have compiled Docker certified associate questions and answers based on the weightage of topics in the exam pattern. We have a bunch of compiled Docker certified associate exam dumps questions and answers, which will help you to recap before taking the test. You can use them as Docker certified associate practice tests or glance to brush your memory. All the Docker certified associate sample questions have a correct answer with an explanation to correct the solution. Use our intellectual property and step into the fantastic world of Dockers and containers.

Exam details: https://www.docker.com/legal/professional-certification

Exam name: Docker certified Associate (DCA)

Duration: 90

No. of questions: 55

Passing score: Keeps changing.

Validated against: Docker

Format: Multiple choice questions

Exam price: $195

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1. Which of the following command is used for stopping a running container?

A. $ docker kill <container_id>

B. $ docker stop <container_id>

C. $ docker rm <container_id>

D. $ docker start <container_id>

Explanation- $ docker kill <container_id> this command is used for killing a container. $ docker start <container_id> command is used for starting a docker container. $ docker rm <container_id> command is used for selecting a stopped container. Hence the correct option is B, which is used for stopping a running container.

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2. From the below-mentioned option which is the false advantage of docker?

A. Docker provides a difficult set-up initially.

B. The application lifecycle can be described in detail, docker grants permission for it.

C. Simple configuration and interaction with docker composed as possible.

D. Documentation provides information in detail.

E. All of the above

F. None of the above

Explanation- all the other states except A, are included in the advantages of the docker container. But the first statement is incorrect because the docker container provides an easy set-up which is quite efficient initially. Hence it is the correct answer.

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3. From the below-mentioned option, what are the essential feature of docker?

A. Docker is having easy modeling

1. Docker is having efficient operation activity.

C. Docker provides version control.

D. It has placement-affinitive

E. All of the above

F. None of the above

Explanation- the various features of docker are as follows: easy modeling, version control, placement- affinitive, developer productivity, operational efficiency. Since all the options are included in the list of essential features. Hence the correct option is E.

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4. From the below-mentioned option which of the following is not the drawbacks of docker?

A. Docker does not provide a storage choice.

B. The monitoring option offered by the docker is quite poor.

C. Docker provides automatic rescheduling of inactive notes.

D. Horizontal scaling set-up is complicated and automatic.

Explanation- Docker does not provide a storage choice, Monitoring option offered by docker is quite poor, Horizontal scaling set-up is complicated and automatic, are the drawbacks of docker. But option C is incorrect and also not included in the drawbacks of docker. Hence C is the correct option.

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5. From the below-mentioned option which of the following statement is true about the docker image?

A. Docker image is used for creating a docker container.

B. The command used for creating a docker image is to build command.

C. By using the build command a container is created which helps in starting when it begins

D. The docker images are stored in the registry of docker.

E. All of the above

F. None of the above

Explanation- all the statements mentioned above, Docker image is used for creating a docker container, The command used for creating a docker image is built command, By using the build command a container is created which helps in starting when it begins, The docker images are stored in the registry of docker are true about docker image. Hence the correct option is E.

--------------------------------------------------------------------------------------------------------------------------- 6. How many types of the registry is there?

A. One

B. Two

C. Three

D. Four

Explanation- there are two types of the registry.

1. Public

2. Private

Public registry's of docker is also called a docker hub. Which helps in storing the images privately. In the docker hub, millions of images can be stored.

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7. Which of the following statement is false about the public registry?

A. The public registry helps in creating public dockers.

B. The public registry also called a docker hub.

C. Docker hub permits you for storing images privately.

D. There is the availability of millions of images in the Docker hub.

E. All of the above

F. None of the above

Explanation- all the statements,  Public registry also called a docker hub, Docker hub permits you for storing images privately, There is the availability of millions of images in docker hub are true about docker. But the first statement is incorrect because docker permits for creating private image storage. Hence option A is the correct option.

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8. From the below-mentioned option which of the following command is used for running the container in docker?

A. $ Sudo docker run -i -t alpine /bin/bash

B. $ Sudo docker run container name

C. $ docker PS

D. All of the above

E. None of the above

Explanation- $ Sudo docker run container name is not defined command. $ Sudo docker run -i -t alpine /bin/bash is the command used for running the image as the container. $ docker PS is the only command used for seeing all the running containers in docker. Hence the correct option is C.

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9. Which command is used for running the images as a container?

A. $ Sudo docker run -i -t alpine /bin/bash

B. $ Sudo docker run container name

C. $ docker PS

D. All of the above

E. None of the above

Explanation- $ Sudo docker run container name is not defined command. $ Sudo docker run -i -t alpine /bin/bash is the command used for running the image as the container. $ docker PS is the only command used for seeing all the running containers in docker. Hence the correct option is A.

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10. What are the common instructions from the below-mentioned option that are used in the docker file?

A. FROM

B. LABEL

C. RUN

D. CMD

E. All of the above

Explanation- the common instructions used in the docker file are FROM, LABEL, RUN, AND CMD. This all the options are included in the list. Hence the correct option is E.

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11. Which of the following statement is true about memories web swap flag?

A. Memory swap is the modification flag that only exists if memory is getting.

B. Swap permits the container for writing to express memory requirements to disc.

C. When the container gets exhausted all the ramp available then only swap permits for writing the express memory requirements to disc.

D. All of the above

E. None of the above

Explanation- all the statements, Memory swap is the modification flag that only exists if memory is get, Swap permits the container for writing express memory requirements to disc, When the container gets exhausted all the ramp available then only swap permits for writing the express memory requirements to disc are true about memories web swap flag. Hence the correct option is D.

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12. Which of the following statement is false about Dockers swan?

A. Docker swan is a native gathering used for docker.

B. Docker host is the group in the number of multiple and virtual docker host.

C. It provides the standard docker application program interface.

D. All of the above

E. None of the above.

Explanation- docker host is converted in single or Virtua docker host. Not a multiple and virtual. Hence the correct option is B.

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13. Which of the following is used for monitoring the docker in a production environment?

A. Docker stats.

B. Docker events

C. Both the above

D. None of the above

Explanation- for monitoring docker in the production environment docker states and docker events both are used. Hence the correct option is C.

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14. From the below-mentioned option, what are the states of docker containers?

A. Running

B. Paused

C. Restarting

D. Exited

E. All of the above

F. None of the above

Explanation- there are four important states of a docker container, they are running, caused, restarting and exited. Hence the correct option is E.

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15. How many states are there of docker containers?

A. Two

B. Four

C. Three

D. Five

Explanation-  there are four important states of a docker container, they are running, caused, restarting and exited. Hence the correct option is B.

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16. What is the correct sequence of docker container states?

I. Running

II. Paused

III. Restarting

IV. Exited

A. I, II, III, IV

B. VI, III, II, I

C. I, IV, III, II

D. III, IV, II, I

Explanation- the correct sequence of the docker container cycle is,

I. Running

II. Paused

III. Restarting

IV. Exited

Hence the correct option is A.

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17. From the below-mentioned option, what is the use of the docker info command?

A. It is used for providing information about the command.

B. It is used for downloading an image.

C. It is used for the information of the container

D. It is used for the listing of downloaded images.

Explanation- for downloading an image the command used is docker pull for providing the information about container the command used is docker stats. For listing the downloaded images the command used is docker images. And for providing the information of command the command used is docker input. Hence the correct option is A.

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18. From the below-mentioned option, what is the use of the docker pull command?

A. It is used for providing information about the command.

B. It is used for downloading an image.

C. It is used for the information of the container

D. It is used for the listing of downloaded images.

Explanation- for downloading an image the command used is docker pull for providing the information about container the command used is docker stats. For listing the downloaded images the command used is docker images. And for providing the information of command the command used is docker input. Hence the correct option is B.

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19. From the below-mentioned option, what is the use of docker stats command?

A. It is used for providing information about the command.

B. It is used for downloading an image.

C. It is used for the information of the container

D. It is used for the listing of downloaded images.

Explanation- for downloading an image the command used is docker pull for providing the information about container the command used is docker stats. For listing the downloaded images the command used is docker images. And for providing the information of command the command used is docker input. Hence the correct option is C.

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20. From the below-mentioned option, what is the use of docker images command?

A. It is used for providing information about the command.

B. It is used for downloading an image.

C. It is used for the information of the container

D. It is used for the listing of downloaded images.

Explanation- for downloading an image the command used is docker pull for providing the information about container the command used is docker stats. For listing the downloaded images the command used is docker images. And for providing the information of command the command used is docker input. Hence the correct option is D.

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21. Mention whether the following statement is true or false?

Data is lost when the container exits.

A. True

B. False

C. Partly true and partly false

D. None of the above.

Explanation- the above statement is false because no data is lost when the container exits. Because any data that is written by the application in the disc is stored in the container. The file system for the contain persists after the container halts.

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22. From the below-mentioned option, what are the components of docker Architecture?

A. Client

B. Docker host

C. Registry

D. All of the above

Explanation- the components of docker Architecture are as follows: client, docker host, registry. Hence the correct option is D.

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23. What is the possible option for running the multiple copies of a composed file in one host?

A. You need to set a custom project name by using the command "-A- command- line"

B. A custom project name is set by using the command "COMPOSE_PROJECT_NAME"

C. Both of the above

D. None of the above

Explanation- for running the multiple copies of a composed file on one host two options are available

1.  You need to set a custom project name by using the command "-A- command- line"

2. A custom project name is set by using the command "COMPOSE_PROJECT_NAME"

Hence the correct option is C.

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24. What is the correct sequence for the lifecycle of the docker container?

I. Build

II. PULL

III. Run

A. II, III, I

B. I, III, II

C. I, II, III

D. II, III, I

Explanation- the correct sequence of the lifecycle of docker container is as follows,

I. Build

II. PULL

III. Run

Hence the correct option is C.

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25. From the below-mentioned option, what are the correct option which helps in easily letting the communication happen between docker demons and docker client?

A. Rest API

B. Socket.IO

C. PCP

D. All of the above

Explanation- for creating communication between docker client and docker demons the combination of three things is required, which is as follows, A. Rest API, Socket.IO, PCP. Hence this all three are helpful for the above-mentioned communication. Hence, the correct option is D.

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26. From the below-mentioned option which of the following is correct in which the docker is being used?

A. To simplify the configuration

B. Managing the code pipeline

C. For the isolation of application

D. For the rapid development

E. All of the above

Explanation- there are various uses of dockers. Docker is used for the following things, to simplify the configuration: docker is used for putting your environment and configuration into coding and further deploying it. Managing the code pipeline: there are various types of system which is used in production and development, the journey of the code is with development to testing and then to production. And hence it goes through different types of environments. In this way, docker helps in maintaining the consistency of the code pipeline. For the isolation of application: as in one container all application is wrapped together with dependencies, apps are isolated. They work independently on any hardware which is supported by docker. For the rapid development: docker cuts and removes the need for boosting an entire OS from scratch. This will reduce deployment time. And hence the deployment is rapid. Hence the correct option is E, all of the above.

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27. Which of the following command is used for checking the docker client and docker server?

A. $ docker version

B. $ docker info

C. $ docker login

D. $ docker system prune

Explanation- $ docker system prune is used for is used removing all the stock containers. $ docker login is used for promoting user name or password inserting those and finally, you are logged in. $ docker info is used for getting the data information about the docker that is installed in your system for checking the docker slide and docker server version the command used is $ docker version. Hence the correct option is A.

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27. Which of the following command is used for getting the detail information about the docker that is installed in your system?

A. $ docker version

B. $ docker info

C. $ docker login

D. $ docker system prune

Explanation- $ docker system prune is used for is used removing all the stock containers. $ docker login is used for promoting user name or password inserting those and finally, you are logged in. $ docker info is used for getting the data information about the docker that is installed in your system for checking the docker slide and docker server version the command used is $ docker version. Hence the correct option is B.

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