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  1. Home
  2. Docker Certification
  3. DCA Exam
  4. Docker.DCA.v2023-09-25.q118 Dumps
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Question 106

You have created a Docker bridge network on a host with three containers attached, how do you make this containers accessible outside of the host?

Correct Answer: B
insert code

Question 107

Which of the following is required to install Docker EE from a package repository?

Correct Answer: D
insert code

Question 108

Which of the following constitutes a production-ready devicemapper configuration for the Docker engine?

Correct Answer: A
insert code

Question 109

Will this Linux kernel facility limit a Docker container's access to host resources, such as CPU or memory?
Solution: seccomp

Correct Answer: B
Explanation
Using seccomp does not limit a Docker container's access to host resources, such as CPU or memory.
Seccomp is a Linux kernel facility that allows filtering system calls made by a process. It can be used to enhance the security and isolation of a container by restricting its access to certain system calls. However, it does not affect the resource allocation or consumption of a container. References:
https://docs.docker.com/engine/security/seccomp/,
https://www.kernel.org/doc/html/v4.14/userspace-api/seccomp_filter.html
insert code

Question 110

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 a collection for for each application.

Correct Answer: B
Explanation
Creating a collection for each application is not a way to deploy applications using Kubernetes and group Kubernetes-specific resources for each application. A collection is a concept in Universal Control Plane (UCP) that defines a set of resources that users or teams can access. A collection can contain swarm services, Kubernetes namespaces, or volumes. A collection does not deploy applications or group resources; it only controls access to them. To deploy applications using Kubernetes and group Kubernetes-specific resources for each application, you can use namespaces or labels. A namespace is a way of isolating and organizing objects in a cluster. A label is a key-value pair that can be attached to any object for grouping or selecting purposes.
References: https://docs.docker.com/ee/ucp/authorization/concepts/,
https://kubernetes.io/docs/concepts/overview/working-with-objects/namespaces/,
https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/
insert code
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