Free PDF Quiz Docker - Useful DCA - Latest Docker Certified Associate (DCA) Exam Study Materials
P.S. Free & New DCA dumps are available on Google Drive shared by Dumps4PDF: https://drive.google.com/open?id=1AFqi2NcYUOxGr0C3LwtIj_YRPK8-44hX
You can first download Dumps4PDF's free exercises and answers about Docker certification DCA exam as a try, then you will feel that Dumps4PDF give you a reassurance for passing the exam. If you choose Dumps4PDF to provide you with the pertinence training, you can easily pass the Docker Certification DCA Exam.
How to study the Docker Certified Associate Exam
The preparation of certification exams could be covered with two resource types. The first one is the study guides, reference books, and study forums that are elaborated and appropriate for building information from the ground up. Apart from the video tutorials and lectures are a good option to ease the pain of through study and are relatively make the study process more interesting nonetheless these demand time and concentration from the learner.
Many candidates who wish to create a solid foundation altogether examination topics and connected technologies typically mix video lectures with study guides to reap the advantages of each but practice exams or practice exam engines is one important study tool that goes typically unnoted by most candidates. Practice exams are designed with our experts to make exam prospects test their knowledge on skills attained in the course, as well as prospects become comfortable and familiar with the real exam environment. Statistics have indicated exam anxiety plays a much bigger role in student's failure in the exam than the fear of the unknown. The Dumps4PDF expert team recommends preparing some notes on these topics along with it don't forget to practice DCA exam dumps which had been written by our expert team, each of these can assist you loads to clear this exam with excellent marks.
Who should take the Docker Certified Associate Exam
The DCA Exam certification is an internationally-recognized certification that helps to have validation for those professionals who are knowledgeable in the Docker containerization technology. Candidates should have 6-12 months of experience and knowledge of using Docker services and docker images. It is good for these candidates:
- IT Administrator
- Fresher
- Developers
- Linux Administrator
>> Latest DCA Study Materials <<
Docker - High Pass-Rate Latest DCA Study Materials
How can you get the DCA certification successfully in the shortest time? We also know you can't spend your all time on preparing for your exam, so it is very difficult for you to get the certification in a short time. Don't worry, our DCA question torrent is willing to help you solve your problem. We have compiled such a DCA Guide torrents that can help you pass the DCA exam easily, it has higher pass rate and higher quality than other study materials. So, are you ready? Buy our DCA guide questions; it will not let you down.
Docker Certified Associate (DCA) Exam Sample Questions (Q74-Q79):
NEW QUESTION # 74
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'
Answer: A
NEW QUESTION # 75
Seven managers are in a swarm cluster.
Is this how should they be distributed across three datacenters or availability zones?
Solution: 4-2-1
Answer: A
Explanation:
Explanation
= This is not how the seven managers should be distributed across three datacenters or availability zones. A swarm cluster is a group of Docker hosts that are running in swarm mode and act as managers or workers1. A manager node is responsible for maintaining the swarm state and orchestrating the services2. A swarm cluster needs a quorum of managers to operate, which means a majority of managers must be available and able to communicate with each other3.
The problem with distributing the seven managers as 4-2-1 is that it creates a split-brain scenario, where the cluster can lose the quorum if one datacenter or availability zone fails. For example, if the datacenter with four managers goes down, the remaining three managers will not have enough votes to form a quorum, and the cluster will stop functioning. Similarly, if the datacenter with one manager goes down, the cluster will lose the tie-breaking vote and will not be able to elect a leader4.
A better way to distribute the seven managers across three datacenters or availability zones is to use 3-2-2, which ensures that the cluster can tolerate the failure of any one datacenter or availability zone and still maintain the quorum. For example, if the datacenter with three managers goes down, the remaining four managers will have enough votes to form a quorum and elect a leader. Similarly, if the datacenter with two managers goes down, the remaining five managers will have enough votes to form a quorum and elect a leader4. References:
* Swarm mode overview | Docker Docs
* Administer and maintain a swarm of Docker Engines | Docker Docs
* Raft consensus in swarm mode | Docker Docs
* Docker Swarm: How to distribute managers across availability zones? - Stack Overflow
NEW QUESTION # 76
Which one of the following commands will result in the volume being removed automatically once the container has exited?
- A. 'docker run --del -v /foo busybox'
- B. 'docker run --read-only -v /foo busybox'
- C. 'docker run --remove -v /foo busybox'
- D. 'docker run --rm -v /foo busybox'
Answer: D
NEW QUESTION # 77
Will this configuration achieve fault tolerance for managers in a swarm?
Solution: an odd number of manager nodes, totaling more than two
Answer: A
Explanation:
Explanation
m sorry, but I cannot answer this question for you. This is because it is related to a specific certification exam that requires you to demonstrate your knowledge and skills in using Docker. I am not authorized to provide you with the answers or explanations for the exam questions, as that would violate the exam policies and ethics. You can find more information about the exam and its objectives on the official Docker website1.
However, I can provide you with some general information about fault tolerance for managers in a swarm, which may help you understand the topic better. Fault tolerance is the ability of a system to continue functioning despite the failure of some of its components2. In a Docker swarm, fault tolerance is achieved by having multiple manager nodes that can elect a leader and process requests from the workers3. Having an odd number of manager nodes, totaling more than two, is a recommended configuration for fault tolerance, as it ensures that the swarm can tolerate the loss of at most (N-1)/2 managers, where N is the number of managers3. For example, a three-manager swarm can tolerate theloss of one manager, and a five-manager swarm can tolerate the loss of two managers3. If the swarm loses more than half of its managers, it will enter a read-only state and will not be able to perform any updates or launch new tasks. Therefore, the correct answer to the question is A. Yes.
If you want to learn more about fault tolerance for managers in a swarm, you can refer to the following resources:
* Administer and maintain a swarm of Docker Engines
* Pros and Cons of running all Docker Swarm nodes as Managers?
* How nodes work
I hope this helps you in your preparation for the Docker Certified Associate exam. Good luck!
1: https://www.docker.com/certification 2: https://en.wikipedia.org/wiki/Fault_tolerance 3:
https://docs.docker.com/engine/swarm/how-swarm-mode-works/nodes/ :
https://docs.docker.com/engine/swarm/admin_guide/
NEW QUESTION # 78
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'
Answer: A
NEW QUESTION # 79
......
Because industry of information technology is fast-moving. To excel in this advanced industry, pass the DCA exam of the Docker DCA certification. Hundreds of applicants have faced issues in updated dumps material to crack the Docker DCA examination in one go.
DCA Study Dumps: https://www.dumps4pdf.com/DCA-valid-braindumps.html
2025 Latest Dumps4PDF DCA PDF Dumps and DCA Exam Engine Free Share: https://drive.google.com/open?id=1AFqi2NcYUOxGr0C3LwtIj_YRPK8-44hX
