introduction in Enhance new infrastructure and implementatio

introduction in Enhance new infrastructure and implementation security in S.U universitywrite three paragraph each these topic:IP phone(advantages,disadvantages,what the device use to connect it what the protocol use)IP camera(advantages,disadvantages,what the device use to connect it what the protocol use)link server(video conference) any three paragraph about it )use google scholar the reference need writer and yeartotal of pages more than 13 page