Test Ping Command in Windows / Why we use ping command

The ping command helps to verify IP-level connectivity. When troubleshooting,
you can use ping to send an  request to a target host name or IP address. 
Use ping whenever you need to verify that a host computer can connect to 
the TCP/IP network and network resources.

1.Click the Search icon (Windows button)  in the bottom left-hand corner and type "cmd" into the search bar.
2.Select the Command Prompt app - it will be at the top of the list of search results as the best match.
3. cmd prompt open.  Type “ping” and then hit the Space bar on your keyboard.
4.Type in the address you’d like to ping and then hit the Enter key on your keyboard. Wait for the ping results.

For detail video visit...  https://youtu.be/x_283x41BuM

How to View Save passwords in google Chrome.

1. Go to Right Corner and click  on the button as shown in Picture and then settings. 

2. Then go to advanced settings at the bottom of the page.

3. Then scroll down and click on manage passwords.

4.Then Click on Show Password. When you click on show Chrome ask you for your PC password.

Aircrack-ng

Aircrack-ng is an 802.11 WEP and WPA-PSK keys cracking program that can recover keys once enough data packets have been captured. It implements the standard FMS attack along with some optimizations like KoreK attacks, as well as the PTW attack, thus making the attack much faster compared to other WEP cracking tools.

In fact, Aircrack-ng is a set of tools for auditing wireless networks.

Download Software From Here.....http://www.aircrack-ng.org/
Download Documentation From Here....dl.aircrack-ng.org/breakingwepandwpa.pdf