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Basic Network Concepts

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Basic Network Concepts And Troubleshooting Network Addressing Before your computer can communicate with other computers on a network, it must have an address. – PowerPoint PPT presentation

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Title: Basic Network Concepts


1
Basic Network Concepts
  • And Troubleshooting

2
A Simple Computer Network for File Sharing
                                                                                                                                                                                                                                             
3
10/100 Ethernet Switch
4
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5
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6
Your computers network adapter connects to a
port on a switch. When you have a connection to
a switch, there should be a link light on the
network adapter.
A link light is a small LED that can be seen near
where the network cable plugs into your computer.
7
Network Addressing
  • Before your computer can communicate with other
    computers on a network, it must have an address.
    On your network, this address is known as an IP
    address.

8
In order to view your IP address on a Windows XP
or Windows 2000 computer, you can open a command
prompt window
9
At the command prompt, type ipconfig. Then,
hit enter. Basic IP address information will be
displayed. Here, you can see that my IP address
is 10.3.0.218.
10
You can do a simple test to see if youre
connected to the network. After using the
ipconfig utility to see your IP address
information, note that you can also see an
address for Default Gateway. In this case, you
can see that my default gateway is 10.3.0.1. At
the prompt, type ping gateway address. If
you get a reply, youre connected.
11
Basic Troubleshooting
  • Very that you are physically connected to
    network. Make sure there is a network cable
    plugged into your network adapter and look for a
    link light.
  • Verify that you have an IP address.
  • Take note of which applications on your computer
    are working, and which ones arent.

12
Basic Troubleshooting Cont.
  • If youre having trouble with your web-browser
    only, see if you can get to www.mveca.org. If
    you can, but still cant reach other resources on
    the Internet, check your proxy settings.

13
In Internet Explorer, click on Tools/Internet
Options
14
Click the Connections tab at the top, then
select LAN Settings Use automatic
configuration script should be checked. In the
address box, you should see the following
address http//www.mveca.org/www/java-proxy.pac I
ts important that you verify every single
character.
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