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Docker Exam DCA Topic 5 Question 86 Discussion

Actual exam question for Docker's DCA exam
Question #: 86
Topic #: 5
[All DCA Questions]

You created a new service named 'http' and discover it is not registering as healthy. Will this command enable you to view the list of historical tasks for this service?

Solution: 'docker ps http'

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Suggested Answer: B

The command 'docker ps http' is not the correct command to view the list of historical tasks for a service in Docker1. The 'docker ps' command is used to list containers1. If you want to view the list of historical tasks for a service, you should use the 'docker service ps' command2. This command lists the tasks that are running as part of the specified services and also shows the task history2. Therefore, to view the list of historical tasks for the 'http' service, you should use the command 'docker service ps http'2.


by Joaquin at May 01, 2024, 08:45 AM

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Skye
5 months ago
So, it's B) No, right?
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Arlette
5 months ago
Yeah, it doesn't seem like the right command for viewing historical tasks.
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Jerry
6 months ago
I don't think so. 'docker ps' lists running containers.
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Arletta
6 months ago
Do you think 'docker ps http' shows historical tasks?
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Skye
6 months ago
I agree, it's a little confusing.
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Jerry
6 months ago
The question seems tricky.
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