ISTM 210 Exam 2 Curtsinger Questions and Answers (100% Correct Answers) Already Graded A+

defined as two or more computers connected together to communicate and share resources. [ Ans: ] Computer Network Consider a network made up of computers like desktops, laptops, and smartphones (called clients) that are connected to a central computer [ Ans: ] Server Any device connected to the network that has an IP address [ Ans: ] Node 2 or more computers [ Ans: ] Network is plugged into a slot on the motherboard inside of the computer and allows a network cable to be plugged in so it can interface or communicate with other computers. [ Ans: ] Network Interface Card (NIC) Most common NIC (UIN) [ Ans: ] Ethernet Card Ethernet cards provide the computer with a unique 48-bit address [ Ans: ] MAC (media access control) address Business processes to become efficient/effective Ex: large business - more people/technology - top level - assigned different going lower level/employees Small business - 1 person from start to finish [ Ans: ] Network Admin A twisted pair is a specialized wire that cancels out electromagnetic interference from other electronic devices and increases reliability. [ Ans: ] Twisted Pair specialized wires with adapters that plug into the NIC [ Ans: ] Ethernet Cable a central location of the computer network that serves as a traffic cop for network connection and communication. [ Ans: ] Network Hub Hardware such as keyboard or mouse, no IP address [ Ans: ] Peripheal Devices TCP/IP checks to see that the receiving computer accepts all of the packets that make up the spreadsheet and that the packets are in the correct order. If not, the spreadsheet will be corrupted and not usable for the receiving end user. TCP/IP guarantees the reliability of the computer file received by the network's end user. [ Ans: ] Transmission Control Protocol/Internet Protocol (TCP/IP) spreadsheet's large file size, the network breaks the file down into smaller, more manageable pieces [ Ans: ] Packets UDP protocols simply send the entire file at once in a streaming fashion, it is much faster than TCP/IP. However, UDP does not guarantee a file's reliability. [ Ans: ] User Datagram Protocol (UDP) - Large Vast Network - Cables: run through ground/ocean floor - Clinet (desktop) -> Server - 97% of all network failures caused from human interference - 74% of all businesses have had network outages [ Ans: ] Internet the mapping of a physical network and logical interconnections between nodes [ Ans: ] Topology a network topology where each of a network's nodes is connected to a common linear backbone that has two endpoints. Data is transmitted between the two endpoints and the nodes are connected to the backbone. One advantage of a bus topology is that all nodes can receive data virtually simultaneously. A disadvantage, however, is that if the backbone is down, all nodes on the backbone are down as well. -single wire -all of the devices -30 nodes or less -two end points -easy, cheap [ Ans: ] Linear Bus is named for the star-shape created by nodes that radiate around a central node in a spoke-like fashion. The center of the "star" is the hub that attaches to the nodes with "spokes." Often, the hub is a server with networked computers and nodes as clients, thus, a client / server model. Star topologies have similar disadvantages to the linear bus configuration; if the central hub fails, every node attached to the hub will also fail. Star topologies are the most common of all topologies. -expense, efficient (Mays 2nd floor) -easy to expand, easy to identify if a device goes down -if switch goes down, everything goes [ Ans: ] Star is shaped like a ring. In this kind of topology, each computer (node) is connected to two other computers in the network with the first and last computers being connected to each other. Data is transmitted between computers in a circular manner. Ring topologies are the least used topology with microcomputers. In a ring topology, if the traffic cannot flow in one direction, then it can try to flow in