Wednesday, June 3, 2020

Docker Certified Associate (DCA) Certification Dumps

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Share some Docker Certified DCA exam questions and answers below.
A server is running low on disk space. 
What command can be used to check the disk usage of images, containers, and volumes for Docker engine? 
A. 'docker system df' 
B. 'docker system prune' 
C. 'docker system free' 
D. 'docker system ps' 
Answer: A

Which of the following are types of namespaces used by Docker to provide isolation? (Choose 2.) 
A. Host 
B. Network 
C. Process ID 
D. Authentication 
E. Storage 
Answer: BC

Which one of the following commands will show a list of volumes for a specific container? 
A. 'docker container logs nginx --volumes' 
B. 'docker container inspect nginx' 
C. 'docker volume inspect nginx' 
D. 'docker volume logs nginx --containers' 
Answer: B

Which of the following commands wifi automatically create a volume when a container is started? 
A. 'docker container run --name nginxtest --volumes=/app nginx' 
B. 'docker container run --name nginxtest -v /app:mount nginx' 
C. 'docker container run --name nginxtest --volumes myvol:/app:new nginx' 
D. 'docker container run --name nginxtest -v myvol:/app nginx' 
Answer: A

Which of the following statements is true about secrets? 
A. Secrets can be created from any node in the cluster. 
B. Secrets can be modified after they are created. 
C. Secret are stored unencrypted on manager nodes. 
D. Secrets can be created using standard input (STDIN) and a file. 
Answer: D

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