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DCA · Question #13

DCA Question #13: Real Exam Question with Answer & Explanation

The correct answer is A: Authenticate a user using client certificates to the Universal Control Plane. A client bundle in Docker Universal Control Plane (UCP) contains TLS client certificates and keys, along with a pre-configured docker CLI, enabling secure user authentication and interaction with the UCP cluster.

Submitted by luis.pe· Apr 18, 2026Security

Question

What is the purpose of a client bundle in the Universal Control Plane?

Options

  • AAuthenticate a user using client certificates to the Universal Control Plane
  • BProvide a new user instructions for how to login to the Universal Control Plane
  • CProvide a user with a Docker client binary compatible with the Universal Control Plane
  • DGroup multiple users in a team in the Universal Control Plane

Explanation

A client bundle in Docker Universal Control Plane (UCP) contains TLS client certificates and keys, along with a pre-configured docker CLI, enabling secure user authentication and interaction with the UCP cluster.

Common mistakes.

  • B. The client bundle facilitates authentication and connection, but it doesn't primarily provide login instructions; those are typically provided separately.
  • C. While the bundle might contain shell scripts to configure an existing Docker client, it does not provide the Docker client binary itself.
  • D. Grouping users into teams is a feature of UCP's access control and role-based access control (RBAC) system, not the primary purpose of a client bundle.

Concept tested. Docker UCP client bundle purpose

Reference. https://docs.mirantis.com/msr/2.1/ucp/user-access/cli-access/download-client-bundle.html

Topics

#UCP Client Bundle#Client Certificates#Authentication#Access Control

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