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.
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COMPUTER SECURITY RISKS

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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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