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24 Cards in this Set
- Front
- Back
Private IPS A)
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10.0.0.0->10.255.255.255 |
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Private IPS B
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172.16.0.0 -> 172.16.255.255
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Private IPS C
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192.168.0.0 -> 192.168.255 |
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11/01/2016 Local Host: |
127.0.01. Means this computer. All NIC has it.
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TCP/UDP
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UDP is broadcast. used for streaming TCP: Confirms sent packets. Used to send data. Used for downloading |
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127:
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private ip address for local host
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Subnetting:
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divide computers to talk to each other
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physical
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need a router. receives communication between network and provides communication between the 2 |
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Router
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is a networking device that forwards data packets between computer networks
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DNS
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Domain Network Service |
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root hints
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server operated by 6 different root dns companies |
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dhcp
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process of to get ip address designated to your pc. pc boots up and find dhcp server to get configuration.
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ping
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attempt communication with another system sending packets to host name or ip address. *see if host is online |
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ipconfig /all
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its ifconfig, iwconfig for mac and linux |
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nslookup
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look up name server for whatever domain name. it checks dns entries |
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Traceroute
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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
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automatic private ip addressing (APIPA)
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provides DHCP autoconfiguration addressing. 169.254.x.y -> randomly generated, 1 - 254 no access to dhcp server. |
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ipv6
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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 |
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loop back address |
don't send any info out from network card
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link local
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FE80:0:0:01234:1111:1ABC:123 |
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networkcards
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full and half duplex: full doing something sametime. half is receiving then sending.
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physical connection
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link light: physical connection both end. activity light: turns on when card detects traffic no lights is physical hardware. |
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Wake on LAN
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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
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ipv6
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when a pc running ipv6 first boots up, it gives itself a link-local address, ipv6's equivalent to ipv4's APIPA address.
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