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BCIS > MIS Ch. 6 > Flashcards

MIS Ch. 6 Flashcards

0
Q

Elastic

A

The computing resources leased can be increased or decreased in a short span of time, and organizations pay for just the resources that they use.

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1
Q

Cloud

A

The elastic leasing of pooled computer resources over the Internet

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2
Q

Why are cloud resources pooled?

A

Because many different organizations use the same physical hardware and share that hardware through virtualization

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3
Q

Network

A

A collection of computers that communicate with one another over transmission lines or wirelessly

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4
Q

Local Area Network (LAN)

A

Connects computers that reside in a single geographic location

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5
Q

Wide Area Network (WAN)

A

Connects computers at different geographic locations

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6
Q

An internet

A

A network of networks

• Includes LANs & WANs

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7
Q

The Internet

A

The collection of networks that you use when you send email or access a website

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8
Q

Intranet

A

A private internet that is used exclusively within an organization

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9
Q

Protocol

A

A set of rules that programs on two communicating devices follow

• Ex: http://

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10
Q

(SOHO) Small Office or Home Office

A

A LAN that has fewer than a dozen or so computers & printers

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11
Q

IEEE 802.3 Protocol (Ethernet)

A

A communications standard that specifies how messages are to be packaged, processed, & transmitted for wired transmissions over a LAN

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12
Q

IEEE 802.11 Protocol

A

• Used for wireless LAN connections

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13
Q

Bluetooth

A

Wireless protocol that transmits data over short distances, replacing cables

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14
Q

What are the 3 functions of an Internet Service Provider (ISP)?

A
  1. ) It PROVIDES you with a legitimate Internet access.
  2. ) It RECEIVES the communications from your computer and passes them on to the Internet, and receives communications from the Internet and passes them onto you.
  3. ) It PAYS for the Internet.
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15
Q

Digital Subscriber Line (DSL)

A

Operates on the same lines as voice telephones, but doesn’t interfere with voice telephone service

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16
Q

Cable Lines

A

A WAN connection that provides high-speed data transmission using cable television lines

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17
Q

WAN Wireless

A

A communications system that provides wireless connectivity to a wide area network

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18
Q

IP Address

A

A number that identifies a particular device

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19
Q

Public IP Address

A

Identifies a particular device on the public Internet

20
Q

ICANN (Internet Corporation for Assigned Names & Numbers)

A

Public agency that controls IP addresses’ assignments

21
Q

Private IP Address

A

Identifies a particular device on a private network, usually on a LAN

22
Q

Domain Name

A

A worldwide-unique name that is affiliated with a public IP address

23
Q

URL (Uniform Resource Locator)

A

An address on the Internet

24
Q

Three-Tier Architecture

A

A design of user computers that consists of three categories, or tiers:

  1. ) User Tier
  2. ) Server Tier
  3. ) Database Tier
25
Q

Server Tier

A

Consists of computers that run web servers and process application programs

26
Q

Database Tier

A

Consists of computers that run a DBMS that processes requests to retrieve & store data

27
Q

Web Page

A

A document that is usually coded in HTML

28
Q

Web Servers

A

Programs that run on a server-tier computer and manage traffic by sending & receiving web pages to and from clients

29
Q

Commerce Server

A

Application programs that run on a server-tier computer and obtain product data from a database, manage the items in a shopping cart, and coordinate the checkout process

30
Q

Service-Oriented Architecture (SOA)

A

All interactions among computing devices are defined as services in a formal, standardized way.

31
Q

Encapsulated

A

A characteristic of systems design in which the details of a process are hidden from users

32
Q

TCP/IP Protocol Architecture

A

Has five layers and one or more protocols defined at each layer; programs are written to implement the rules of a particular protocol

33
Q

Hypertext Transfer Protocol (http)

A

Used between browsers and Web servers

34
Q

Simple Mail Transfer Protocol (smtp)

A

Used for email transmissions

35
Q

File Transfer Protocol (ftp)

A

Used to move files over the Internet

36
Q

Software as a Service (SaaS)

A

Cloud hosting that provides hardware infrastructure, an operating system, & application programs

37
Q

Platform as a Service (PaaS)

A

Cloud hosting that provides hosted computers, an operating system, & possibly a DBMS

38
Q

Infrastructure as a Service (IaaS)

A

Cloud hosting that provides a bare server computer or data storage

39
Q

Content Delivery Network (CDN)

A

A system of hardware and software that stores user data in different geographic locations and makes it available on demand

40
Q

Virtual Private Network (VPN)

A

Uses the Internet to create the appearance of private, secure connections

41
Q

Tunnel

A

A virtual, private pathway over a public or shared network from the VPN client to the VPN server

42
Q

Private Cloud

A

A cloud that is owned and operated by an organization for its own benefit

43
Q

Virtual Private Cloud (VPC)

A

A subset of a public cloud that has highly restricted, secure access

44
Q

Remote Action System

A

IS that provides computer-based activity or action at a distance

• Ex: Telediagnosis, Telesurgery, & Telelaw Enforcement

45
Q

Telediagnosis

A

A remote action system that healthcare professionals use to diagnose illnesses for rural or remote areas

46
Q

Telesurgery

A

Uses telecommunications to link surgeons to robotic equipment at distant locations

47
Q

Telelaw Enforcement

A

Uses cameras & motion-sensing equipment to issue tickets for red-light & speeding violations

• Ex: RedFlex

BCIS (11 decks)

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