What is network security explain the security mechanism?
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Security is a field of significance that consists of the provisions made in underlying computer network infrastructure, mechanisms and policies adopted to protect the network and the network-accessible resources from unauthorized access and the effectiveness of these measures combined together.
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Network security is protection of the access to files and directories in a computer network against hacking, misuse and unauthorized changes to the system. An example of network security is an anti virus system.
Security mechanisms are technical tools and techniques that are used to implement security services. A mechanism might operate by itself, or with others, to provide a particular service. Examples of common security mechanisms are as follows: Cryptography. Message digests and digital signatures
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