CPU
Terminology
OSI Model
TCP model:
TCP Flags
Data types
3 way handshake or TCP Handshake:
Connection termination/teardown:
TCP protocol
ICMP
TCP properties
UDP properties
Common ports list
Internet addresses
16-bit unsigned port number (0-65535)
TCP port range is 0 - 65535. IPv4 (16-bit unsigned). 0 - 1023 are generally reserved for specific purposes
Iptables
DNS
Verified Boot
Disks layouts