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How to book the Docker Certified Associate Exam
There are the following steps for registering the Docker Certified Associate exam:
- Step 1: Visit to Docker Examity proctors.
- Step 2: Sign up/Login to Docker account.
- Step 3: Make payment for the exam voucher using your credit or debit card.
- Step 4: You will receive exam voucher code on your email and then using that voucher code you can book your exam by selecting dates, time etc.
NEW QUESTION 23
Will a DTR security scan detect this?
Solution: licenses for known third party binary components
- A. No
- B. Yes
Answer: A
NEW QUESTION 24
Will this action upgrade Docker Engine CE to Docker Engine EE?
Solution: Uninstall 'docker-ce' package before installing 'docker-ee' package.
- A. No
- B. Yes
Answer: B
NEW QUESTION 25
A docker service 'web' is running with a scale factor of 1 (replicas = 1).
Bob intends to use the command 'docker service update --replicas=3 web'.
Alice intends to use the command 'docker service scale web=3'.
How do the outcomes oft these two commands differ?
- A. Bob's command only updates the service definition, but no new replicas are started. Alice's command results in the actual scaling up of the 'web' service.
- B. Bob's command results in an error. Alice's command updates the number of replicas of the 'web' service to 3.
- C. Both Bob's and Alice's commands result in exactly the same outcome, which is 3 instances of the 'web' service.
- D. Bob's command updates the number of replicas of the 'web' service to 3. Alice's command results in an error.
Answer: C
NEW QUESTION 26
Is this the purpose of Docker Content Trust?
Solution: Verify and encrypt Docker registry TLS.
- A. No
- B. Yes
Answer: B
NEW QUESTION 27
Which of the following commands is used to display system-wide Docker configuration on a host?
- A. docker info
- B. docker inspect
- C. docker system
- D. docker status
Answer: A
NEW QUESTION 28
What is the docker command to setup a swarm?
- A. docker swarm create
- B. docker create swarm
- C. docker swarm init
- D. docker init swarm
Answer: C
Explanation:
Explanation
https://docs.docker.com/engine/reference/commandline/swarm/
NEW QUESTION 29
Will this configuration achieve fault tolerance for managers in a swarm?
Solution: only two managers, one active and one passive.
- A. No
- B. Yes
Answer: A
NEW QUESTION 30
Which of the following commands wifi automatically create a volume when a container is started?
- A. 'docker container run --name nginxtest --volumes myvol:/app:new nginx'
- B. 'docker container run --name nginxtest -v /app:mount nginx'
- C. 'docker container run --name nginxtest -v myvol:/app nginx'
- D. 'docker container run --name nginxtest --volumes=/app nginx'
Answer: D
NEW QUESTION 31
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: Set the log-driver and log-oPt keys to values for the logging solution (Splunk) In the daemon.json file.
- A. No
- B. Yes
Answer: B
NEW QUESTION 32
You are troubleshooting a Kubernetes deployment called api, and want to see the events table for this object. Does this command display it?
Solution: kubectl logs deployment api
- A. No
- B. Yes
Answer: A
NEW QUESTION 33
In Docker Trusted Registry, is this how a user can prevent an image, such as 'nginx:latest', from being overwritten by another user with push access to the repository?
Solution: Use the DTR web Ul to make all tags in the repository immutable.
- A. No
- B. Yes
Answer: B
NEW QUESTION 34
Can this set of commands identify the published port(s) for a container?
Solution: docker container inspect', 'docker port'
- A. No
- B. Yes
Answer: B
NEW QUESTION 35
Will this Linux kernel facility limit a Docker container's access to host resources, such as CPU or memory?
Solution: seccomp
- A. No
- B. Yes
Answer: A
NEW QUESTION 36
Which of the following statements is true about secrets?
- A. Secrets can be modified after they are created.
- B. Secrets can be created from any node in the cluster.
- C. Secret are stored unencrypted on manager nodes.
- D. Secrets can be created using standard input (STDIN) and a file.
Answer: D
NEW QUESTION 37
In the context of a swarm mode cluster, does this describe a node?
Solution: a physical machine participating in the swarm
- A. No
- B. Yes
Answer: A
NEW QUESTION 38
Two pods bear the same label, app: dev.
Will a label selector matching app: dev match both of these pods?
- A. Yes, if both pods were pre-existing when the label selector was declared.
- B. Yes, if the pods are in the same Kubernetes namespace as the object bearing the label selector
- C. Yes, as long as all the containers in those pods are passing their livenessProbes and readinessProbes.
- D. Yes, if the pods are in the same Kubernetes namespace as the object bearing the label selector and both pods were preexisting when the label selector was declared.
Answer: D
NEW QUESTION 39
Does this describe the role of Control Groups (cgroups) when used with a Docker container?
Solution: role-based access control to clustered resources
- A. No
- B. Yes
Answer: A
NEW QUESTION 40
Will this command ensure that overlay traffic between service tasks is encrypted?
Solution: docker service create --network --encrypted
- A. No
- B. Yes
Answer: A
NEW QUESTION 41
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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.
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