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3 Cards in this Set
- Front
- Back
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Command line tools |
ipconfig- used in Windows provide you ip address and default gateway. Ifconfig used in Linux. Netstat- a shows all active ip address connections. -b shows binaries inbound and outbound traffic. -n speeds up all ip address information. Ping- helps determine if devices are reachable. Traceroute- shows the route a packet takes to a destination. Ns lookup - looks up information from DNS servers such as cache timers, ip addresses and names. |
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FTP ( Files Transfer Protocol) |
Transfers file between another. Uses tcp port 20 and port 21. TFTP( trivial file transfer protocol)- used to read and write files. Uses udp port 69 no authentication needed. SNMP( simple network management) uses queries devices like switches and firewalls to see how the device is performing. Uses udp 161. Telnet- unencrypted communication terminal screen. Uses Tcp port 23. SSH- tcp port 22 just like Telnet but encrypted. DNS uses port udp 53. Converts name to ip address. DHCP uses udp 67 and 68. SMB ( server message block)- Windows file sharing or print sharing system- uses udp 137, udp 138 or tcp 139. Remote Desktop protocol uses tcp 3389 tcp 80 and tcp 443 is for well known web service. (Http)80 is unencrypted and (Https)443 is encrypted. |
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MDF and IDF |
Distribution fram- passive cable termination to punch down blocks. Used as a room or a location. MDF(Main)- Central point of the network in the data center. Terminal for WAN links where all you're connections are terminating. IDM(intermediate)- where you connect the users to the network. Local resources |
