[Oct-2021] DCA Certification with Actual Questions from RealVCE
Updated DCA Dumps PDF - DCA Real Valid Brain Dumps With 170 Questions!
Introduction to Docker Certified Associate Exam
Docker Certified Associate (DCA) certification serves as a foundational benchmark for real-world container technology expertise with Docker Enterprise Edition. Candidates for DCA Exam are seeking to prove fundamental Docker containerization technology knowledge and skills. Before taking this exam, exam aspirants ought to have a solid fundamental information of the concepts shared in the preparation guide as well as on containerization.
It is suggested that professionals accustomed to the ideas and also the technologies represented here by taking relevant training courses. Candidates are expected to have a strong understanding of core docker services, docker images, docker container, and their cmdlets. After passing this exam, candidates get a certificate from Docker that helps them to demonstrate their proficiency in Docker containerization technology to their clients and employers.
Docker Certified Associate Certification Path
Docker Certified Associate Exam is associate level Certification. It is strongly recommended that aspirants for this exam should have a foundational level of knowledge about Docker containerization technology.
NEW QUESTION 26
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. No
- B. Yes
Answer: B
NEW QUESTION 27
Will this command ensure that overlay traffic between service tasks is encrypted?
Solution: docker service create --network --secure
- A. No
- B. Yes
Answer: A
NEW QUESTION 28
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 29
Is this a type of Linux kernel namespace that provides container isolation?
Solution: Authentication
- A. No
- B. Yes
Answer: B
NEW QUESTION 30
Does this describe the role of Control Groups (cgroups) when used with a Docker container?
Solution: user authorization to the Docker API
- A. No
- B. Yes
Answer: A
NEW QUESTION 31
Which of the following modes can be used for service discovery of a Docker swarm service (Pick 2 correct answers)
- A. DNS Round-Robin with --endpoint-mode dnsrr
- B. Virtual IP (VIP) with --endpoint-mode vip
- C. Ingress with --endpoint-mode ingress
- D. Overlay with --endpoint-mode overlay
- E. Network Address Translation(NAT) with --endpoint-mode nat
Answer: A,B
NEW QUESTION 32
Is this a Linux kernel namespace that is disabled by default and must be enabled at Docker engine runtime to be used?
Solution: mnt
- A. No
- B. Yes
Answer: A
NEW QUESTION 33
Will this Linux kernel facility limit a Docker container's access to host resources, such as CPU or memory?
Solution: cgroups
- A. No
- B. Yes
Answer: B
NEW QUESTION 34
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
- A. No
- B. Yes
Answer: A
NEW QUESTION 35
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
- A. No
- B. Yes
Answer: A
NEW QUESTION 36
From a DevOps process standpoint, it is best practice to keep changes to an application in version control.
Which of the following will allow changes to a docker Image to be stored in a version control system?
- A. A docker-compose.yml file
- B. docker commit
- C. docker save
- D. A dockerfile
Answer: B
NEW QUESTION 37
Two development teams in your organization use Kubernetes and want to deploy their applications while ensuring that Kubernetes-specific resources, such as secrets, are grouped together for each application.
Is this a way to accomplish this?
Solution: Create one pod and add all the resources needed for each application
- A. No
- B. Yes
Answer: A
NEW QUESTION 38
When using the Docker client to push an image to a registry, what environment variable is used to instruct the client to perform signing of the image?
- A. NOTARY_ENABLE=1
Correct - B. DOCKER_PUSH_SIGN=1
- C. DOCKER_IMAGE_SIGN=1
- D. DOCKER_CONTENT_TRUST=1
Answer: D
NEW QUESTION 39
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/udp dns-cache'
- A. No
- B. Yes
Answer: B
NEW QUESTION 40
Is this a type of Linux kernel namespace that provides container isolation?
Solution: Storage
- A. No
- B. Yes
Answer: A
NEW QUESTION 41
When seven managers are in a swarm cluster how would they be distributed across three datacenters or availability zones?
- A. 3-3-1
- B. 4-2-1
- C. 5-1-1
- D. 3-2-2
Answer: B
NEW QUESTION 42
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. No
- B. Yes
Answer: B
NEW QUESTION 43
What is the difference between a resource limit and a resource reservation when scheduling services?
- A. A resource limit is used to find a host with adequate resources for scheduling a hard limit for your service, while a reservation is hard limit for your service.
- B. A resource limit and a resource reservation can be used interchangeably.
- C. A resource limit is a soft limit for your service, while a reservation is hard limit and the docker engine will do its best to keep your service at the limit.
- D. A resource limit is hard limit for your service, while a reservation is used to find a host with adequate resources for scheduling. Correct
Answer: B
NEW QUESTION 44
......
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 Dockerâs 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.
Pass Your DCA Exam Easily With 100% Exam Passing Guarantee: https://www.realvce.com/DCA_free-dumps.html
100% Free DCA Exam Dumps Use Real Docker Certified Associate Dumps: https://drive.google.com/open?id=1Q9gTslyjrTdeROrBg4V7Ikt-_NKNrstL