as a network administrator, if you notice that a user account has experienced multiple failed login attempts you should nullify the user's login rights.
What are network systems?
In order to share resources (such printers and CDs), trade files, or enable electronic communications, two or more computers are connected to form a network. A computer network can connect its computers through wires, phone lines, radio waves, satellites, or infrared light beams.
Hardware and software are used in all network communications. Gear and software required to run that hardware and interface with the network determine the network communication support. Physical devices used to connect to a physical network are referred to as hardware. Programs and device drivers that are connected to a given system's functionality make up software.
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