What is RAID Storage is a very important part of fault tolerance.  If something were to happen to a company's data such as a disk failur...

Active Directory what is active  directory and active directory is quite  simply a database now it's a distributed  database meaning it&...

Automatic Private IP Addressing the  automatic private IP addressing. Now every  computer has to have an IP address to communicate   on a ne...

firewall   What is a firewall?  A firewall is a system that is designed to prevent unauthorized  access from entering a private network by f...