Presentation on Network Security PPT

Presentation on Network Security 

Network security consists of the provisions and policies adopted by a network administrator to prevent and monitor unauthorized access, misuse, modification, or denial of a computer network and network-accessible resources. Network security involves the authorization of access to data in a network, which is controlled by the network administrator. Users choose or are assigned an ID and password or other authenticating information that allows them access to information and programs within their authority. [Source : Wikipedia]

Contents of PPT

  • Introduction 
  • Need for security
  • The OSI security architecture 
  • Security Attacks 
  • Security Services 
  • Security Mechanisms 
  • A model for network security

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