Cisco connecting two voip sites

how to connect two cisco voip sites using cisco Packet Tracer 

Network Tools

IP and Port Scanner
Network IP and Port Scanner
IP and Port Scanner
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sub netting Calculator
Online IP Sub netting Calculator

How to reset windows 7 password

Please follow the steps as given below.

insert cd- launch start up repair (recommended)

click cancel - view problem detail - click on last

file - it will open like notepad - click file tab

click open -the drive will show -search for windows drive- system 32 - Rename utilman -rename it utilman1

search for cmd -copy the cmd command and past it in same folder -and rename it to utilman - now click the cancel tab - and close the window- click finish -and restart it - now click ease on access tab -the command prompt will appear  - now type ( net user (username) * - and then enter -now you can reset your password 

Social Media and email company founder and history

                                    Social Media and email company founder and history                                      

Hotmail!

launched on July 4, 1996

Founders:Sabeer Bhatia and Jack Smith,

Yahoo!

CEO: Marissa Mayer.

Founders: Jerry Yang, David Filo.

Founded: January 1994, Santa Clara, California, United States

LinkedIn Corporation

CEO: Jeff Weiner

Founded: May 5, 2003

Founders: Reid Hoffman, Konstantin Guericke, Jean-Luc Vaillant, Allen Blue, Eric Ly

Twitter Inc.

CEO: Dick Costolo

Founded: March 21, 2006, San Francisco, California, United States

Headquarters: San Francisco, CA, United States of America

Founders: Evan Williams, Noah Glass, Jack Dorsey, Biz Stone

Facebook, Inc.

Founded: February 4, 2004, Cambridge, Massachusetts, United States.

CEO: Mark Zuckerberg

Founders: Mark Zuckerberg, Dustin Moskovitz, Eduardo Saverin, Andrew McCollum, Chris Hughes