1. BY:- Rahul Ranjan Singh Suman Kumar Singh Girish Sharma Sneha kumari Smriti kumari

2. Traditional Connectivity

3.  A set of hardware, software and procedures That creates secure logical network.  It is type of private network that uses public telecommunication, such as internet instead of leased line to communicate.

4.  Authentication  Access Control  Confidentiality  Data Integrity

5.  Encryption  Tunneling

6.  Extranet  Intranet  Remote Access

8.  Hardware  Software  Firewall

9.  Cost saving  Emphasis on security  Greater redundancy is achieved  Efficiency

10.  Healthcare  Manufacturing  Retail  Banking