AREAS OF COMPUTER ETHICS
DIFFERENT BETWEEN BUS,STAR & RING TOPOLOGY
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NETWORK TOPOLOGY
WHAT IS NETWORK TOPOLOGY? A network topology refers to the layout of the computers and devices in a communications network. TYPES OF NETWORK TOPOLOGY ↠ STAR TOPOLOGY - a topology for a Local Area Network (LAN) in which all nodes are individually connected to a central connection point, like a hub or a switch. A star takes more cable than e.g. a bus, but the benefit is that if a cable fails, only one node will be brought down. ↠ BUS TOPOLOGY - specific kind of network topology in which all of the various devices in the network are connected to a single cable or line. In general, the term refers to how various devices are set up in a network ↠ RING TOPOLOGY - a network topology in which each node connects to exactly two other nodes, forming a single continuous pathway for signals through each node - a ring . Data travels from node to node, with each node along the way handling every packet.
COMPUTER SECURITY RISKS
Computer security risks define as any event or action that could cause a loss of or damage to computer hardware, software, data, information or processing capability. Other intruders indicate some evidence of their presence either by leaving a message or by deliberately altering or damaging data. Any illegal act involving a computer generally is referred to as a computer crime . Cybercrime refers to online or Internet-based illegal acts. Software used by cybercriminals sometimes is called crimeware . •Per Other intrusions fall into seven basic categories : Hacker, refers to someone who accesses a computer or network illegally. Some hackers claim the intent of their security breaches is to improve security. Cracker also is someone who accesses a computer or network illegally but has the intent of. destroying data, stealing information, or other malicious action Script kiddie has the same...
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