Unit X: VPN and Network Security | BCA 6th Semester Data Communication and Computer Network Notes Pdf

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.

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:

• Unit I: Background Study And Revision
• Unit II: Data Transmission
• Unit III: Multiplexing And Switching
• Unit IV: Reference Model
• Unit V: Physical Layers And Its Design Issues
• Unit VI: Data Link Layer
• Unit VII: TCP/IP Reference Model
• Unit VIII: Network Layer And Internet Layer
• Unit IX: Network Servers