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24 Cards in this Set

  • Front
  • Back
Private IPS A)

10.0.0.0->10.255.255.255
Private IPS B
172.16.0.0 -> 172.16.255.255
Private IPS C

192.168.0.0 -> 192.168.255

11/01/2016


Local Host:

127.0.01. Means this computer. All NIC has it.
TCP/UDP

UDP is broadcast. used for streaming


TCP: Confirms sent packets. Used to send data. Used for downloading

127:
private ip address for local host
Subnetting:
divide computers to talk to each other
physical

need a router. receives communication between network and provides communication between the 2
Router
is a networking device that forwards data packets between computer networks
DNS

Domain Network Service
root hints

server operated by 6 different root dns companies
dhcp
process of to get ip address designated to your pc. pc boots up and find dhcp server to get configuration.
ping

attempt communication with another system sending packets to host name or ip address.




*see if host is online

ipconfig /all


shows ipv6 and default gateway and more than regular ipconfig.




its ifconfig, iwconfig for mac and linux

nslookup

look up name server for whatever domain name.


it checks dns entries

Traceroute
allows you to see the router that a packets is taking to destintation. sends a ping msg to your work station to the destination to ping any router to get to the destination. used if you got no connectivity to domain or site. use it to see if you can get there
automatic private ip addressing (APIPA)

provides DHCP autoconfiguration addressing.


169.254.x.y -> randomly generated, 1 - 254


no access to dhcp server.

ipv6

128bits, written like :


2001:0000:0000:3210:0800:200C:00CF:1234


Replace leading zero's with double : (::)


2001::3210:800:200C:CF:1234


NEVER MANUALLY CONFIG

loop back address


don't send any info out from network card
link local

FE80:0:0:01234:1111:1ABC:123
networkcards
full and half duplex: full doing something sametime. half is receiving then sending.
physical connection

link light: physical connection both end.


activity light: turns on when card detects traffic


no lights is physical hardware.



Wake on LAN
turn on or wake up a powered down or sleeping pc. Handy when you want to wake you one or multiple computers that you aren't near
ipv6
when a pc running ipv6 first boots up, it gives itself a link-local address, ipv6's equivalent to ipv4's APIPA address.