Test Bank Questions with complete Solutions for Introduction to Computer Networks 100% Pass

Test Bank Questions with complete Solutions for Introduction to Computer Networks 100% Pass Network - Answers An interconnected collection of computers, computer-related equipment, and communications devices. Local area network (LAN) - Answers a network that is usually confined to a single building and is managed by a single entity such as a company Metropolitan area network (MAN) - Answers A network that consists of two or more LANs connected with private or public communications lines within the same geographic area, such as a city or a university campus. It is managed by a single entity. Wide area network (WAN) - Answers A network that consists of a large number of networks and PCs connected with private and public communications lines throughout many geographic areas. Network topology - Answers The physical arrangement of computers, computer-related devices, communications devices, and cabling in a network. Node - Answers Any device attached to the network that is capable of processing and forwarding data. Bus topology - Answers A network topology that uses a single cable or conductor to connect all nodes on the network. backbone - Answers A common cable path that often employs high-speed network cable such as fiber-optic. Star topology - Answers A network topology in which cables running from each node connect to a single point, such as a hub. Hub - Answers A network devices that provides a common electrical connection to all nodes in a star topology. Access port - Answers A connection on a hub to which cables attach. Ring topology - Answers A network topology that consists of a single cable that runs continuously from node to node. Mesh topology - Answers A network topology in which each node on the network connects to every other node on the network. Wireless topology - Answers A network topology that does not use cabling. Hybrid topology - Answers A network topology that consists of a mixture of topology types connected together. Hierarchical star - Answers A network topology created when two or more star topologies are merged using network devices such as hubs, switches, or routers. tree - Answers A network topology created from two or more star topologies connected together by a common backbone. Client/server network - Answers A network that consists of computers connected to one or more servers. Server - Answers A computer that provides services to networked computers, or clients. Network administrator - Answers And overall administrator who controls access to the network and to its shares. Centralized administration - Answers The methodology used to administer a client/server network. Dedicated server - Answers a server that provides a single function. File server - Answers A server that stores data files that can be accessed by a client. Print server - Answers A server that coordinates printing activities between clients and printers. Administrative server - Answers A server that administers network security and activities. Database server - Answers A server that contains data files and software programs to query the data. Network operating system (NOS) - Answers An operating system that provides communications between the computers, printers, and other intelligent hardware that exist on the network. protocol - Answers A group of computer programs that handle packet formatting and control data transmission. TCP/IP (Transmission Control Protocol/Internet Protocol) - Answers A protocol that was developed by the Defense Advanced Research Project Agency (DARPA) in the early 1970s and was designed to support communications over the internet. ATM (Asynchronous Transfer Mode) - Answers A protocol designed especially for transmitting data, voice, and video. Copper core cable - Answers A type of cable that consists of a copper wire surrounded by plastic or synthetic insulation. Fiber-optic cable - Answers A type of cable that has a glass or clear plastic core. Network interface card (NIC) - Answers A network device that contains the electronic components needed to send and receive a digital signal.