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Mis > Exam Two > Flashcards

Exam Two Flashcards

1
Q

Bandwidth

A

Refers to the transmission capacity of a network it is stated in the bits per second bandwidth ranges from narrowband (relatively low transmission capacity) to broadband (relatively high network capacity)

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2
Q

Broadband

A

Transmission of the communication medium faster than 4 MB per second

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3
Q

Local Area Network (LAN)

A

Connects two or more devices in the limited geographical region, usually within the same building so that every device on the network can communicate with every other device

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4
Q

Network interface card (NIC)

A

Allows the device to physically connect to the LANs communication medium which is typically unshielded twisted pair wire. (UTP)

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5
Q

File sever/network sever

A

The sever typically contains various software and data for the network

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6
Q

Computer network

A

A system that connects computers and other devices via communications media so that data and information can be transmitted among them

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7
Q

Wide Area Network (WAN)

A

A network that covers a large geographical area. They typically connect to multiple LANs

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8
Q

Router

A

A communication processor that routes messages from LAN to the Internet across several connected LANs or across a wide area network such as the Internet

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9
Q

Analog Signal

A

continuous waves that transmit information by alerting the characteristics of waves

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10
Q

Digital Signal

A

0 and 1 discrete pulse either on or off representing a series of bits

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11
Q

Modem

A

converts digital signals to analog signals

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12
Q

Cable Modem

A

modems that operate over coaxial cable

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13
Q

Digital Subscriber Line (DSL)

A

operates on the same line as voice telephones and dial up modems

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14
Q

Communication Channels

A

communicates data from one location to another in the form of a pathway two types are media and broadcast

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15
Q

Twisted-pair wire

A

the most prevalent form of wiring it is used for almost all business telephone wires 100 mbps 4 wires 2 are for voice speed

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16
Q

Coaxial Cable

A

Insulated copper wire
Used to carry high-speed data
Traffic and television signals
Expensive and inflexible

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17
Q

Twisted pair advantages and disadvantages

A

advantages: cheap, commonly found, easy to work
Disadvantages: slow (low bandwidth), subject to interference, easily tapped low security

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18
Q

Fiber optic cable

A

uses light not electricity
very high bandwidth 100,000 mbps
difficult to tap high security
difficult to work with if spliced

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19
Q

protocol

A

policies and procedures

20
Q

Ethernet

A

common LAN protocol provide 100 billion bits per second

21
Q

TCP/IP

A

Transmission Control Protocol/ Internet Protocol

Every device uses the same instructions to connect to the internet

22
Q

packet switching

A

the transmission technology that breaks up blocks of texts into packets. Each packet carries information that will help it reach its destination.

23
Q

HTTP

A

defines how messages are formulated and how they are interpreted by their receivers.

24
Q

3 basic function of TCP

A

3 Basic functions :

  1. ) MANAGES movement of package between computers by establishing connection between computers
  2. ) it SEQUENCES the transfer of packets
  3. ) it acknowledges the packets that have been TRANSMITTED (received)
25
Q

Client/sever computing

A

severs provides services to computers which are called clients

26
Q

severs

A

provide computing services

27
Q

Clients

A

computers that receive services from severs

28
Q

peer to peer processing

A

a type of client/sever that distributed processing where each computer act as a client/severs each computer can access all files on the other computer

29
Q

Internet Service Provider

A

a company that provides internet connections for a fee

30
Q

Internet Protocol Address

A

that distinguishes it from all other computers

31
Q

Domain Name System

A

Domain names consist of multiply parts, separated by dots, they are read from right to left

32
Q

Internet2

A

develops and deploy advanced network applications it is designed to be fast, always on, everywhere, natural, intelligent, easy and trusted.

33
Q

World Wide Web

A

a system universally accepted standards for storing, retrieving, formatting, and displaying information via client/sever architecture.

34
Q

search engine

A

a computer program that search for specific information by keystroke and then report the results

35
Q

Uniform Resource Locator

A

points to the address of a specific resource on the web

36
Q

Browser

A

provides a geographical front end that enables users to point ad click their way across the web

37
Q

metasearch engines

A

conducts a deeper search

38
Q

Portal

A

Web based personalized gateway to information and knowledge

39
Q

Internet telephony VoIP

A

the use of the internet to make telephone calls

40
Q

Business Intelligence

A

collection of data stats analytics to know the customer better than they know themselves

41
Q

Management

A

a process by which organizations achieves their goals through he use of resources (people, money, material and information.

42
Q

Decision

A

a choice among two or more alternates

43
Q

problem structure

A

deals with routine and repetitive problems for which standard solutions exist such as inventory control. “Playbook”

44
Q

unstructured

A

heavy training most expensive career path considerable experience

45
Q

Decision Making Process

A 
Intelligent phase
> What is the problem 
Design Phase 
> options 
Choice Phase 
>pick an option and implement it l
46
Q

Data Mining

A

is finding the patterns in people and products

Mis (2 decks)

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