MGT Quiz #3

Network

A communications system created by linking two or more devices and establishing a standard methodology in which they communicate.

Server/Client based

A computer network in which one centralized, powerful computer is a hub to which many less powerful personal computers or workstations are connected.

Network operating system

A computer operating system that is designed primarily to support workstations, personal computers, connected to LANS. Provides printer sharing, common file system, database sharing, application sharing, security and other housekeeping

Internet

A massive network that connects computers all over the world and allows them to communicate with one another created in 1969

Star topologies

All workstations connected by server, active hub, amplifys transmissions, easy to lay out and modify, costly, failure of hub causes network failure.

LAN(Local area network)

Connects a group of computers in proximity, such as in office building, school, or home

IPV6

Created to meet growing demands for internet address. Designed to replace IPV4. Has number and letters

Coaxial cable

High bandwith, not as susceptible to eavesdropping and EMI, two thickness 1. thinnest-less used 2. Thickest- most costly used for cable television. Solid inner cooper conductor, hard to install, bulky

Transmission media

Physical pathway that connects computers, different kinds of devices and people on a network. Computer sends electromagnetic waves, waves altered by semi conductors to become 0-1's. Two types: Cable media, wireless media

TCP/IP

Provides the technical foundation for the public Internet as well as for large numbers of private networks

IP address

a 4 set of numbers between 0-255, used to recognize a device that is connected to a network

Network Interface Card (NIC)

a circuit board that is installed in a computer so that it can be connected to a network

MAN(Metropolitan area network)

a large computer network usually spanning a city

Extranet

an extension of intranet that is only available to authorized outsiders such as customers, partners, and suppliers

ICANN(Internet Corporation for Assigned Names and Numbers

assumed responsibility for managing IP address, domain names, and root server system management

TCP(Transmission Control Protocol)

breaks info into packets, manages transfers of packets between computers

B2C ( Business to Customer)

business conducted directly between a company and consumer who are the end user of the companies product or service.

Twisted pair cable

cheap, easy to install and fix, drawback is it is highly susceptible to EMI and eavesdropping, unsuitable for high speeds

VPN (Virtual Private Network)

companies can establish direct private network links among themselves or create private, secure, internet access in effect a PRIVATE TUNNEL with the internet

SCM( Supply chain management)

connects a company to other company's that supply the materials it needs to make the product

IP (Internet Protocol)

defines how the packet must be formed, contains destination address (IP address)

Organizational (ES) data

defines the organizational structure of the company, rarely change over time, the way different types of business are organized

Mesh topologies

devices fully or partially connected to each other, short routes between nodes, many possible routes, performs well with heavy traffic, WAN are partial mesh

ERP ( Enterprise resources planning)

focus on optimizing business process within a company.

Fiber optics

highest bandwith, low attenuation, very expensive, complex to install, made of light conducting glass or plastic.

3 tier architecture

is a client-server software architecture pattern in which the user interface, functional process logic, computer data storage and data access are developed and maintained as independent modules, most often on separate platforms.

Peer to peer

is a computer network that relies on the computing power and bandwith of the participants in the network rather than a central server popular for file sharing, found in small offices and homes

Service oriented architecture

is a style of software design where services are provided to the other components by application components, through a communication protocol over a network. The basic principles are independent of vendors, products and technologies.

3 way match

match receive a request for payment, match to a goods receipt than match to purchase order, if all match then you pay the company

Ring topologies

messages move one way around the circle, little cabling, failure of one node causes failure of the rest, hard to modify, token passing which is only one computer with token can spread info

B2B (Business to Business)

one business makes a commercial transaction with another company. Mostly materials, one business will use the materials to make goods to sell

Bus topologies

open ended line, easiest to extend, simplest wiring layout, all nodes, can receive info at the sametime, collisions when 2 work stations transmit info at the sametime

Network topologies

pattern in which nodes (computers, printers) are connected to the LAN

PAN(personal area network)

provides communication over a short distance that is intended for use with devices that are owned and operated by a single user. EX bluetooth

Transaction (ES) data

reflects the day to day activities of the organization when an organization completes a specific process, activity or task, Includes general data like who did what, where, when

Intranet

restricted network that provides an internet like environment within a company

IPV4

simple, first set up of IP address to be released, none left. EX: 246.0.23.69

WAN(wide area network)

spans a large geographic area such as a state, province or country

Packet switching

splitting the data into smaller units and sending it through different nodes to complete the data, get there at different times data organizes itself, each node sends more then one copy of the data, duplicates get thrown out

SAP overview

system application products, founded in Weinheim, Germany in 1972 5 former IBM workers. made a software for real time business processing. first financial accounting software, R/1 R stood for real time data processing, SAP R/2 take advantage of the first text only video terminals, designed to handle different languages and currencies

SRM ( supplier relationship management)

system typically manage the overall relationships with the materials supplier

CRM ( Customer relationship management)

systems connect a companies ERP system to the customer

ARPA Net

the first network that had different layers and nodes

Master (ES) data

the key entities with whom an organization interacts, such as customers and suppliers, not conducted by a specific process

Voice over IP

using technologies to transmit telephone calls