A VPN extends a private network across a public network, such as the Internet. It enables users to send and receive data across shared or public networks as if their computing devices were directly connected to the private network.

VPN and Network Security - Data Communication and Computer Network

In this “VPN and Network Security - Data Communication and Computer Network” you will learn about following topics:

  1. VPN (Virtual Private Network)
  2. VPN Security Model Provides
  3. VPN Network Protocols
  4. Cryptography
  5. Objectives of Cryptography
  6. Encryption
  7. Decryption
  8. Types of Cryptography
  9. Symmetric Key Cryptography (Secret Key Cryptography)
  10. Asymmetric Key Cryptography (Public Key Cryptography)
  11. Communication Security and Web Security
  12. IPSec
  13. Firewall
  14. Virtual Private Networks
  15. Wireless Security
  16. Web Security
  17. Threats
  18. Server Naming
  19. SSL (The Secure Socket Layer)
  20. Mobile Code Security



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BCA 6th Semester Data Communication And Computer Network Notes Pdf: