Explain What is firewall? How to enable firewall in Windows XP?

Submitted by: Administrator
To enable firewall in Window...Start - Control panel - Security center -Turn On the Firewall Button and enable it. ...
Submitted by: Administrator

Start-->Control Panel-->Windows Firewall open
-->Off --->ok
Submitted by: Mohd Talib Tyagi

Read Online Computer Firewall Job Interview Questions And Answers