XK0-005 · Question #728
XK0-005 Question #728: Real Exam Question with Answer & Explanation
The correct answer is A: docker build -t Test-Container. First, the administrator should build the container image using the command docker build -t Test- Container, which creates a Docker image with the specified configuration. To run the container and expose port 9000, the correct command is docker run -p 80:9000 Test-Container, whic
Question
A Linux administrator needs to expose port 9000 for a container to listen during runtime. The Linux administrator creates a Dockerfile with the following entries. # Test-Container FROM node:9-alpine WORDDIR /usr/src/app COPY package*.json ./ RUN npm install copy . . EXPOSE 9000 CMD ['npm", "start"] Which of the following commands should the administrator use to accomplish this task? (Choose two).
Options
- Adocker build -t Test-Container
- Bdocker tag Test-Container
- Cdocker inspect Test-Container
- Ddocker run -p 5000:80 Test-Container
- Edocker push Test-Container
- Fdocker run -p 80:9000 Test-Container
Explanation
First, the administrator should build the container image using the command docker build -t Test- Container, which creates a Docker image with the specified configuration. To run the container and expose port 9000, the correct command is docker run -p 80:9000 Test-Container, which maps the container's port 9000 to port 80 on the host machine, making the service accessible externally on port 80.
Topics
Community Discussion
No community discussion yet for this question.