Nftables present System Design and Deployment absent!
The environment given for LFCE is centos 7 which does not have nftables . Then why is nftables included along with iptables and firewall-cmd .
According to domains and competencies 25% goes to System Design and Deployment
Define a capacity planning strategy Conduct post deployment verifications Create and maintain software packages Create, configure and maintain containers Deploy, configure, and maintain high availability/clustering/replication
Apart from Create and maintain software packages and theoretical High Availablity none of other topics in this domain feature in online training material.