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Free 200-901 Exam Braindumps
DevNet Associate (DEVASC) Questions 155–159 (page: 33)

Updated On: 9-Feb-2026
Page 33 of 106
PDF with 524 Questions

Refer to the exhibit.

A process running on the host wants to access the service running inside this Docker container. Which port or ports are used to make a connection?

  1. only outbound connections between 3000 and 5000 are possible
  2. port 3000
  3. any port between 3000 and 5000
  4. port 5000

Answer(s): B



DRAG DROP (Drag and Drop is not supported)
Drag and drop the Dockerfile instructions from the left onto the descriptions on the right. Not all options are used.
Select and Place:

  1. See Explanation section for answer.

Answer(s): A

Explanation:



What are two security benefits of a Docker-based application? (Choose two.)

  1. natively secures access to secrets that are used by the running application
  2. guarantees container images are secured and free of vulnerabilities
  3. easier to patch because Docker containers include only dependencies that the application requires
  4. prevents information leakage that can occur when unhandled exceptions are returned in HTTP responses
  5. allows for separation of applications that traditionally run on the same host

Answer(s): A,B



A local Docker alpine image has been created with an image ID of a391665405fe and tagged as “latest”. Which command creates a running container based on the tagged image, with the container port 8080 bound to port 80 on the host?

  1. docker build -p 8080:80 alpine:latest
  2. docker exec -p 8080:80 alpine:latest
  3. docker start -p 8080:80 alpine:latest
  4. docker run -p 8080:80 alpine:latest

Answer(s): D



Refer to the exhibit.


Which function does the EXPOSE line perform when building an image from this Dockerfile?

  1. Local port 8080 of the container that launched with this docker image is accessible from co-hosted containers and external clients.
  2. Local port 8080 is not reachable at all because no IP address is specified along with the EXPOSE command of the Dockerfile.
  3. Local port 8080 is accessible from other containers running on the same docker host as the container that launched with this docker image.
  4. Local port 8080 of the container that launched with this docker image is accessible to external clients.

Answer(s): C



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