LESSON 1 and 2 Flashcards
computers that provide shared resources to network users
server
services offered by servers
file, print, internet, login, authentication
computers that access shared network resources
client
computers that function as client and sever
peer
computers that access shared network sources
client
also known as workgroup model
peer-to-peer network
also known as domain model
server-based network
network in which the computers are managed independently of one another and have equal rights for initiating communication with each other
peer-to-peer
administration is decentralized making the user of a specific computer responsible for his/her own computer’s security
peer to peer network
network in which computers can either be a server or client
server-based network
computer’s security, storage, and other resources are managed centrally using servers, thus making the administration centralized
server-based network
can peer to peer handle more than 10 pc
no, bandwidth will be an issue
which is less expensive
peer to peer
which is more secure
server-based
operation system of server based
network operating system
operation system of peer to peer
desktop operating system
centralized
server
decentralized
peer to peer
refers to the process of conveying a message from a sender to a receiver through a medium
communication
exchange of thoughts, messages, or information as by speech, signals, writing or behavior
communication
refers to the process of transmitting electronic information of any type including television, pictures, sounds, facsimiles, and data
telecommunications
means of electronic transmission of signals
telephone, radio, television
transfer of information from one computer to another over a communication link
data communications
refers to the process of sending digital information (usually in binary form meaning the message is in the zeros and ones only from one device to another
data communications
interconnection of usually passive electronic components that performs a specific functino to simulate a transmission line or to perform a mathematical function such as integration or differentiation
network
is the construction, design, and use of network including the physical (cabling, hub, bridge, switch, router) the selection and use of telecommunication protocol and computer software for using and managing the network and the establishment of operation policies and procedures related to the network for the purpose of sharing resources
network
benefits of networking
resource sharing
high reliability
efficiency
cost effectiveness
access to powerful communication medium
goal is to share resources, to make all files, data, or programs and equipment available to anyone in the network regardless of location
resource sharing
data loss can be prevented in networking by replicating data from one computer to another or having a backup for high reliability also known as fault tolerance
high reliability
high reliability is also known as
fault tolerance
networking is output-driven. it gives you the advantage of producing the maximum output in the quickest time possible
efficiency
also known as transmission media or physical media
network media
refers to the medium over which signals can travel in a network (transmission media or physical media)
network media
also known as network adapter or lan card
network interface card
refers to an adapter card that plugs into the motherboard of a computer and allows the computer to send and receive signals on a newtwork through the network media
network interface card
refers to the hardware that is used to expand networks
network connectivity devices
network interface cards, modems, hubs, repeaters, bridges and routers
network connectivity devices
refers to the different networking standards formulated by the standardizing bodies, which are the international standards organization (iso) and the institute of electrical and electronics engineers (ieee)
networking standards
refers to rules and procedures for communicating
networking protocols
rules and technical procedures governing the communication and interaction of several computers in a network
networking protocols
another benefit of networking, which is one of the main reasons why most companies are into networking already
cost-effective
one of the amazing benefits that networking brought about is being able to communicate across the world anytime and almost anywhere
access to powerful communication medium
collection of two or more computers that are located within a limited distance of each other
LAN
basic building block of computer networks
lan
network with a maximum range of about 75 kilometers (45 miles) and with high speed transmission capabilities
MAN
connects users across large distances, often crossing the geographical boundaries of cities or states
WAN
it connects computers and other devices on the opposite sides of the world
wan
it is made up of interconnected lans and internet is its best example
wide area network
all devices are connected to a single concentrating device called ___ in star topology
hub
