CompTIA XK0-005 Practice Test - Questions Answers, Page 24

A junior administrator updated the PostgreSQL service unit file per the data-base administrator's recommendation. The service has been restarted, but changes have not been applied. Which of the following should the administrator run for the changes to take effect?

A developer needs to launch an Nginx image container, name it Web001, and ex-pose port 8080 externally while mapping to port 80 inside the container. Which of the following commands will accomplish this task?

A junior developer is unable to access an application server and receives the following output:

The systems administrator investigates the issue and receives the following output:

Which of the following commands will help unlock the account?

A systems administrator wants to delete app . conf from a Git repository. Which of the following commands will delete the file?

A senior Linux administrator has created several scripts that will be used to install common system applications. These scripts are published to a reposito-ry to share with the systems team. A junior Linux administrator needs to re-trieve the scripts and make them available on a local workstation. Which of the following Git commands should the junior Linux administrator use to accom-plish this task?

A DevOps engineer wants to allow the same Kubernetes container configurations to be deployed in development, testing, and production environments. A key requirement is that the containers should be configured so that developers do not have to statically configure custom, environment-specific locations. Which of the following should the engineer use to meet this requirement?

A non-privileged user is attempting to use commands that require elevated account permissions, but the commands are not successful. Which of the following most likely needs to be updated?

An application developer received a file with the following content:

##This is a sample Image ##

FROM ubuntu:18.04

MAINTAINER [email protected]

COPY . /app

RUN make /app

CMD python /app/app.py

RUN apt-get update

RUN apt-get install -y nginx

CMD ['echo','Image created']

The developer must use this information to create a test bed environment and identify the image (myimage) as the first version for testing a new application before moving it to production. Which of the following commands will accomplish this task?

An administrator thinks that a package was installed using a snap. Which of the following commands can the administrator use to verify this information?