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Network And Security Student Name Affiliation Date Introduction

   

Added on  2021-06-14

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NETWORK AND SECURITYStudent nameAffiliationDate

IntroductionNetwork security comprises of any activity, practices and policy which is done or adopted for the main purpose of managing and controlling unauthorized modification, misuse, access, and prohibition of the network and the resources which can be accessed through the network. The accessibility to the network of the computer and the access of the resources is controlled and managed by the network administrator. The user of the network therefore is given a user Identification and password or rather, any other authentication method to access the resources of the network.The topic network security have several subtopics but to this case, we are only discussingon the 3 topic which includes the application layer, the internet layer and the physical layer of thenetwork security.Application LayerUnder this topic, we are introduced to layer 5 which is application layer. Here the application layer is said to have given the users the opportunity to interact with many devices andservices over the internet using the local network. Some of the services which are accessed through the internet services includes the following: Google maps. Facebook, Google search engines and many more.User applications give us the ability to interact with thousands of services and devices on the Internet and on our local network. These applications are enabled though their ability to use networks.By the use of the local network, the access to file sharing services is possible, this includes access to printers and other devices.There are a number of the application layer architecture categories. This includes the following;The client – server architecture; here the client requests services from the server. The userof the application is the client. Server is taken as the provider of services and the client as the consumer of the services provided by the server.

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