Question 186

A server administrator is given the hash of an account password that needs to be synchronized across all servers.
Which of the following will allow the server administrator to configure the account password?
  • Question 187

    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:
    sql
    FROM node:9-alpine
    WORKDIR /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.)
  • Question 188

    An administrator deployed a Linux server that is running a web application on port 6379/tcp.
    SELinux is in enforcing mode based on organization policies.
    The port is open on the firewall.
    Users who are trying to connect to a local instance of the web application receive Error 13, Permission denied.
    The administrator ran some commands that resulted in the following output:

    Which of the following commands should be used to resolve the issue?
  • Question 189

    A new Linux systems administrator just generated a pair of SSH keys that should allow connection to the servers. Which of the following commands can be used to copy a key file to remote servers? (Choose two.)
  • Question 190

    Which of the following technologies can be used as a central repository of Linux users and groups?