Red Hat System Administration II (RH134) – RHEL 9 Quiz Questions and Answers
Answer :
df -T
Explanation :
The df -h command shows mounted devices and the amount of disk space currently in use on these devices. The -T option helps in recognizing real file systems (as opposed to kernel interfaces) because it shows the file system type as well.
Utilize broader rule sets with specific exceptions
Explanation :
Using broader rule sets with specific exceptions allows the firewall to manage large volumes of traffic effectively while still applying strict security measures where necessary, facilitating better scalability.
To provide centralized file storage and sharing over a network.
Explanation :
Network-Attached Storage (NAS) with NFS in a Red Hat Enterprise Linux environment is used to provide centralized file storage and sharing, allowing multiple clients to access the files over a network.
It executes container processes in isolated environments
Explanation :
The container runtime is responsible for executing and managing the container processes, ensuring that applications run in isolated environments using shared system resources effectively.
To prevent unauthorized processes from accessing sensitive ports
Explanation :
Correct labeling with SELinux types helps to prevent unauthorized processes from accessing or communicating through sensitive or critical ports, thus safeguarding the server environment.
A `systemd` timer can be configured to run tasks on a specific monthly schedule, making it an appropriate choice for running the maintenance script on the first day of each month.---
Swap space acts as overflow storage for RAM, providing additional virtual memory to handle greater application loads than physical memory can alone, thus preventing memory errors.
LVM allows dynamic partition resizing, snapshots, and the ability to manage disk space more flexibly, which is critical for maintaining and scaling server environments over time.
The command `docker container list -a` or `docker ps -a` lists all containers, both active and inactive, which allows Alice to manage her containerized applications effectively.
The 'podman run -d -p 8080:80 httpd' command runs a container in detached mode with port 8080 on the host mapped to port 80 in the container where the HTTP server listens.
