Pete Burns has been confirmed dead, according to his manager. Thank you for subscribing! Pete Burns has died unexpectedly of a heart attack, his manager has confirmed. The star who rose to fame in the 80s with pop band Dead or Alive appeared in Celebrity Big Brother 4 in 2006.
In a nutshell, network security involves protecting network devices and the data that they forward. The basic components of a network, which act as the front-line gatekeepers, are the router, the firewall, and the switch. Figure 15.1 shows these core components.
Network security is an important aspect of system administration. The article focuses on the purpose of network security, the kind of threats that it faces and the implementation of a security strategy. slide 1 of 5. A Brief Introduction to Networks and Network Security Everyone in the connected world knows what a network is; it is a system of interconnected computers.