Network security protection technology ppt (Guangdong Education Edition) elective 3 courseware

Network security protection technology ppt (Guangdong Education Edition) Elective 3 Grasp the network deployment, installation, testing and configuration methods of intrusion detection system Master the linkage configuration method of intrusion detection system and firewall Changes in practice. From the beginning, the static system security model gradually transitioned to a dynamic security model, such as the P2DR model. P2DR stands for Policy, Protection, Detection and Response, that is, policy, protection, detection and response

n the late twentieth and early twenty-first century, heavy eye liner use has been associated with Goth fashion and Punk fashion. Eye liner of varying degrees of thickness has also become associated with the emo subculture and various alternative lifestyles. Guyliner is also a special style the emo subculture tend to use after being popularized from Pete Wentz, bassist of the pop-punk band Fall Out Boy.


A number of theories have been proposed to explain the function of the eyebrow in humans including that its main function is to prevent moisture, mostly salty sweat and rain, from flowing into the eye, or that clearly visible eyebrows provided safety from predators when early hominid groups started sleeping on the ground [1]

Recent research, however, suggests that eyebrows in humans developed as a means of communication and that this is their primary function. Humans developed a smooth forehead with visible, hairy eyebrows capable of a wide range of movement which are able to express a wide range of subtle emotions – including recognition and sympathy

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