Describe network security and internetworking security, Computer Networking

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Q. Describe Network security and Internetworking security?

Network Security - Layers 5-7

- Securing the localized private domain.

Network Administration, File Permissions, Password Protections, User Authorization

Database security

Internetwork Security, Layers 1-3

- Securing information from -untrusted? users on the public Internet or Virtual Private Networks.

Encryption, Packet Filters, Firewalls

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