OPS535 TCP/IP Network Review2

• Chapter 11 - TCP/IP for System Administrators
  • TCP/IP Packet - Data Link Header, Network Header, and Transport Header, Data
  • TCP/IP Model and the OSI Model
  • The two main transport protocols: TCP and UDP
  • Using tcpdump to select and view packet headers
  • ARP - address resolution protocol
  • IP address: Network and Host, netmask and subnetting
  • Static and dynamic routings

• Chapter 12 - Network Configuration
  • Network device and driver
  • Network device naming scheme
  • Network device configuration tools: ip, ifconfig, and nmcli
  • Setting up network device at boot time: /etc/sysconfig/network-scripts/ifcfg-xxx
  • Kernel routing table: configure and display using "route" and "ip route"
  • Source address selection on machine with multiple IPs
  • Hostname Configuration using hostnamectl