IPv4 and IPv6 Differences

He is explaining very important things about IPv4 and IPv6
for Click here

How To Check NIC Card Working or Not?

1) Right Click on My Computer ->Select Properties and display's the System Properties:
2) Go to HARDWARE-> select Device Manager


3) In the Device Manger Expand the Network Adapter by clicking on + symbol and Here it shows NIC Card right click on that Name(RealTech..etc) select properties



4) Make sure, that the "Device status" is: "This device is working properly".
if not, use the button "troubleshooting"

How to configure MS Outlook Express

Here i am explaining of my experience so please don't think that i am perfect.
1) Open Outlook Express
2) Go to Tools->Accounts->Mail
3) Click on Add->Mail. A dialog that looks like this will display:



4) Enter your name for display name – example, John Smith, then click Next
5) A dialog looking like this will display:



6) The following dialog will display. For “My incoming mail server is a “ pulldown,
select POP3. Enter the POP3 server supplied to you with your emailbox
information as the “Incoming mail (POP3, IMAP, or HTTP) server”. Enter the
SMTP server supplied to you with your emailbox information as the “Outgoing
mail (SMTP) server”. Click next after filling in all values.


7) A dialog requesting userid and password information will display:
Enter the userid supplied to you with your emailbox information for “Account
name:”. Enter the password supplied to you with your emailbox information as
the “Password:”. Make sure “Remember password” is checked otherwise you will
need to supply your password every time you startup Outlook Express. Click on
Next after you’ve entered this information.



8) A dialog will display congratulating you on successfully entering in all
information and to click on Finish to save these settings. Click on Finish. You are
nearly finished.



9) You will need to turn on one more checkbox in order to start using Outlook
Express to send and receive email. From the main Outlook Express window, click
on Tools->Accounts->Mail. You will see a list of email accounts. There will be
an account named after the POP3 server you supplied in step 6. Click on this
account, and then click on Properties. A dialog similar to this will display:
Click on the “Servers” tab (second from left) at the top of the dialog box.





10) Make sure the “My server requires authentication” checkbox is checked:


Then click on OK.
11) You will now be back at the dialog titled Internet Accounts. Click on Close. This
will take you back to the Outlook Express main window.
12) You may now start sending & receiving email.

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What is DCD=up?

These r control signals associated with modem or csu/dsu communication. all this signals up means interface is in up state.

• CTS - status of clear to send signal: up or down
  
• RTS - status of request to send signal: up or down
  
• DCD - status of data carrier detect signal: up or down (V.35 only)
  
• DSR - status of data set ready signal: up or down (V.35 only)
  
• DTR - status of data terminal ready signal: up or down (V.35 only)
  
• 5 minute input rate - data rates based on the traffic received in the last five minutes
  
• 5 minute output rate - data rates based on the traffic sent in the last five minutes