A DevOps engineer needs to allow incoming traffic to ports in the range of 4000 to 5000 on a Linux server. Which of the following commands will enforce this rule?
A systems administrator needs to reconfigure a Linux server to allow persistent IPv4 packet forwarding. Which of the following commands is the correct way to accomplish this task?
A Linux system fails to start and delivers the following error message:
Which of the following commands can be used to address this issue?
A Linux administrator is tasked with creating resources using containerization. When deciding how to create this type of deployment, the administrator identifies some key features, including portability, high availability, and scalability in production. Which of the following should the Linux administrator choose for the new design?
A user created the following script file:
# ! /bin/bash
# FILENAME: /home/user/ script . sh
echo "hello world"
exit 1
However, when the user tried to run the script file using the command "script . sh, an error returned indicating permission was denied. Which of the follow-ing should the user execute in
order for the script to run properly?
A systems administrator frequently connects to a remote host via SSH and a non-standard port. The systems administrator would like to avoid passing the port parameter on the command line every time. Which of the following files can be used to set a different port value for that host?
User1 is a member of the accounting group. Members of this group need to be able to execute but not make changes to a script maintained by User2. The script should not be accessible to other users or groups. Which of the following will give proper access to the script?
A new disk was presented to a server as /dev/ sdd. The systems administrator needs to check if a partition table is on that disk. Which of the following commands can show this information?