Week 1 Notes - WanderlustPenguin/Charles-Tech-Journal GitHub Wiki

Lectures

  • Routers pass data between two networks

Book Reading

  • Current IP: 10.0.0.48
  • Current Subnet Mask: 255.255.255.0
  • Current Default Gateway: 10.0.0.1
  • Current Physical address, Wired: ba:46:ce:6c:67:fb
  • EN0=wired
  • EN1=wireless
  • Current DNS Servers: nameserver[0] : 2001:558:feed::1, nameserver[1] : 2001:558:feed::2,
  • nameserver[2] : 75.75.75.75, nameserver[3] : 75.75.76.76

Commands learned This week

  • ipconfig: gives assigned device IP, subnet mask, and default gateway address. finds information

  • ipconfig /all: gives info on the above + hostname, MAC address, DNS server address. finds information

  • ping (name/address): tries to form a connection with the address. lets you know if there's an issue with connection and how bad it is

  • tracert (website name): shows the hops used to reach the desired website. good for finding where along the line a problem is

  • nslookup (websitename): gives name of a server and its IP address(es). finds information