Official blueprint
The LFCS exam covers 4 domains. Each domain has a defined weight — the percentage of exam questions it contributes. Courseiva has 720 practice questions mapped across these objectives.
Click any objective to see practice questions for that domain.
Essential Commands is 20% of the LFCS and covers day-to-day Linux administration at the shell: files, text, processes, permissions, storage and networking. The exam is performance-based, so you work in a live terminal on real systems rather than answering multiple-choice questions, and each task is scored by inspecting the resulting system state.
138 practice questions available
The Networking domain of the LFCS exam covers configuring and troubleshooting Linux network interfaces, routing, DNS resolution, firewalling, and remote access. You will perform hands-on tasks in a live environment: setting static addresses with ip or nmcli, editing Netplan or ifcfg files, opening ports with firewalld or ufw, and verifying connectivity using ss, dig, and ping.
166 practice questions available
Service Configuration is 12% of the LFCS and covers managing systemd units, networking, and core network services on Linux. The exam tests this through live performance-based tasks: you start, enable, mask, or troubleshoot units with systemctl, configure hostname and DNS resolution, and set up services such as SSH, HTTP, NFS, or chrony, then confirm they persist across reboot.
84 practice questions available
Storage Management is 20% of the LFCS exam, covering how Linux presents, partitions, formats, mounts, and shares block storage. You work hands-on in a live terminal: creating GPT and MBR partition tables, making ext4, XFS, and swap filesystems, editing /etc/fstab with UUIDs, assembling LVM and RAID arrays, and exporting NFS or Samba shares that persist across reboots.
124 practice questions available
Start with the highest-weight domain — that's where most of your exam questions will come from. Work through each objective's practice questions until you can answer at least 85% correctly. Return to lower-weight domains last, and use the full practice test to test cross-domain recall.