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Docker DCA Exam Syllabus Topics:

SectionObjectives
Topic 1: Storage and Volumes- Data persistence in Docker
  • 1. Volumes and bind mounts
    • 2. Storage drivers
      Topic 2: Troubleshooting- Diagnostics and debugging
      • 1. Container logs and events
        • 2. Resource monitoring
          Topic 3: Networking- Docker networking concepts
          • 1. Bridge networks
            • 2. Overlay networks
              • 3. Network troubleshooting
                Topic 4: Docker Installation & Configuration- Docker Engine setup and configuration
                • 1. Install Docker on Linux/Windows
                  • 2. Configure Docker daemon
                    Topic 5: Image Creation, Management, and Registry- Docker images lifecycle
                    • 1. Docker Hub and private registries
                      • 2. Tagging and pushing images
                        • 3. Build images using Dockerfile
                          Topic 6: Security- Docker security fundamentals
                          • 1. Secrets management
                            • 2. Image security scanning
                              • 3. User namespaces and permissions
                                Topic 7: Orchestration- Container orchestration basics
                                • 1. Scaling containers
                                  • 2. Docker Swarm architecture
                                    • 3. Services and stacks

                                      >> Exam Docker DCA Tutorial <<

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                                      Docker Certified Associate (DCA) Exam Sample Questions (Q125-Q130):

                                      NEW QUESTION # 125
                                      Is this a function of UCP?
                                      Solution: scans images to detect any security vulnerability

                                      Answer: B

                                      Explanation:
                                      Explanation
                                      Scanning images to detect any security vulnerability is not a function of UCP. UCP stands for Universal Control Plane, which is a web-based user interface for managing Docker Enterprise clusters and applications.
                                      UCP does not provide image scanning capabilities, but it integrates with Docker Trusted Registry (DTR), which does offer image scanning as part of its security features. References: https://docs.docker.com/ee/ucp/,
                                      https://docs.docker.com/ee/dtr/user/manage-images/scan-images-for-vulnerabilities/


                                      NEW QUESTION # 126
                                      Is this a supported user authentication method for Universal Control Plane?
                                      Solution.LDAP

                                      Answer: A

                                      Explanation:
                                      = LDAP is a supported user authentication method for Universal Control Plane (UCP). UCP has its own built-in authentication mechanism and integrates with LDAP and Active Directory. It also supports Role Based Access Control (RBAC) and Docker Content Trust. UCP allows you to configure LDAP as an authentication method and connect it toyour LDAP server. You need to provide the LDAP URL, the base DN, the bind DN and password, and the user and group search settings12. Reference:
                                      SAML | Docker Docs
                                      Universal Control Plane overview | dockerlabs


                                      NEW QUESTION # 127
                                      Is this a type of Linux kernel namespace that provides container isolation?
                                      Solution: Storage

                                      Answer: B

                                      Explanation:
                                      = Storage is not a type of Linux kernel namespace that provides container isolation. Linux namespaces are a feature of the Linux kernel that partitions kernel resources such that one set of processes sees one set of resources while another set of processes sees a different set of resources1. The feature works by having the same namespace for a set of resources and processes, but those namespaces refer to distinct resources. Since kernel version 5.6, there are 8 kinds of namespaces: mount, UTS, IPC, PID, network, user, cgroup, and time2. Each kind of namespace isolates a different aspect of the system, such as file system mounts, host and domain names, inter-process communication, process IDs, network interfaces, user and group IDs, cgroups, and system time2. Storage is not one of them. Reference:
                                      1: Linux namespaces - Wikipedia
                                      2: Namespaces - The Linux Kernel documentation


                                      NEW QUESTION # 128
                                      Is this statement correct?
                                      Solution: A Dockerfile provides instructions for building a Docker image

                                      Answer: A

                                      Explanation:
                                      Explanation
                                      This statement is correct. A Dockerfile provides instructions for building a Docker image. A Dockerfile is a text document that contains all the commands a user could call on the command line to assemble an image.
                                      Using docker build, you can create an automated build that executes several command-line instructions in succession. References: https://docs.docker.com/engine/reference/builder/,
                                      https://docs.docker.com/engine/reference/commandline/build/


                                      NEW QUESTION # 129
                                      A service 'wordpress' is running using a password string to connect to a non-Dockerized database service. The password string is passed into the 'wordpress' service as a Docker secret. Per security policy, the password on the database was changed. Identity the correct sequence of steps to rotate the secret from the old password to the new password.

                                      Answer: A


                                      NEW QUESTION # 130
                                      ......

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