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SMS415 > ch.7- Internet ,web, Intranets, extranets > Flashcards

ch.7- Internet ,web, Intranets, extranets Flashcards

1
Q

Internet

A
  • Internet is worlds largest network

* Internet is a collection of interconnected networks freely exchanging information using common set of protocols

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2
Q

ARPANET

A

ancestor of internet

-started by U.S dept. of defense as experiment in reliable networking and a means to link military research contractors

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3
Q

ARPA

milnet

A

-MILNET- All military sites

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4
Q

Internet Protocol (IP)

A
  • communication standard,

- allows computers to route communications traffic from one network to another

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5
Q

network service provider

A

large telecom companies that agree to connect their networks

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6
Q

Backbone

A

internet high speed long distance communications link

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7
Q

Transmission Control Protocol (TCP)

A

transport layer protocol (TCP) that most internet applications use with IP

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8
Q

IP Address

A

assigned to each computer on internet, identifies computer on internet
- ○ 64 bit or 128 bit number
○ Divided into 4 bytes and translated to decimal

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9
Q

domain name system (DNS)

A

created b/c ppl prefer words than numbers

§ Mapped to IP address

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10
Q

Uniform Resource locator (URL)

A

web address specifies exact location of web page using letters + words
○ maps to IP addr + location on host.

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11
Q

HTTP (Hypertext Transport protocol)

A

Primary method for interacting with internet

○ specifies access method

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12
Q

Internet Corporation for Assigned Names and Numbers (ICANN)

A

responsible for managing IP addr and internet domain names

○ Primary concern: that each domain name represents only 1 individual or entity

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13
Q

ACCREDITED DOMAIN NAME REGISTRARS

A

handle the business of registering domain names

○ I.e godaddy.com

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14
Q

Accessing The internet

A
    1. Connect via LAN server:

2. Connect thru internet service providers:

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15
Q
  1. Connect via LAN SERVER
A

○ used by businesses and organizations that manage local area network (LAN)
○ All users on LAN provided access to internet

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16
Q
  1. Connect thru internet service providers:
A

○ Internet Service Provider (ISP): org that provides internet to ppl
§ i.e universities that make internet available to students/staff, small internet businesses, major telecommunications companies (i.e rogers, bell, telus)

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17
Q

Dial up Internet connection

A

○ least expensive but slowest connection
§ Uses modem and standard phone line to “dial up” and connect
§ Also ties up phone line during use

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18
Q

Cloud computing

A

software and storage provided as internet service, accessed with web browser
○ Often referred to as Software as a Service (SaaS)
○ Vendors that provide the software are Application service providers (ASP’s)

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19
Q

Public Cloud

A

service providers that offer cloud to public

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20
Q

Private cloud

A

cloud used within a private network (i.e a business

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21
Q

Hybrid Cloud

A

combine public and private cloud

22
Q

Virtual Private Network

A

secure and private connection over the internet

23
Q

Community cloud

A

several businesses share cloud computing resources

24
Q

INTERNET VS WEB

A

Internet is infrastructure the Web exists on.—so WEB exists on INTERNET

25
Q

WEB

A

-server/client software,
-HTTP protocol,
-standards,
-markup languages
all combined to deliver information and services on internet

26
Q

Website

A

collection of pages on ONE topic, accessed under ONE domain

27
Q

Web plug ins

A

provide additional features to standard websites

28
Q

hyperlink

A

highlighted text/graphics in web doc

○ When clicked opens new web page

29
Q

Web browser

A

web client software to view web pages

– internet explorer, firefox, , etc…

30
Q

Hypertext Markup language (HTML)

A

standard page description language

• Works with another markup language called CSS

31
Q

HTML tags

A

codes that tell web browser how to format text (heading, lis, body text, etc..) and if images , sound ,etc s/b inserted.

32
Q

Cascading style sheet (CSS)

A

markup language for defining visual design of web pages

33
Q

Extensible markup language (XML)

A

markup language to transport and store data on web

• Allows coder to create custom tags that define data

34
Q

Asynchronous JavaScript and XML (AJAX):

A

programming platform, evolved from javascript
- • Defines rich internet applications (RIA’s).
• combines HTML, CSS, XML, JavaScript, and other web technologies to create interactive web applications

35
Q

JAVA

A

object oriented programming language
○ based on C++ programming language
○ Allows applets to be embedded within HTML doc.

36
Q

hypertext preprocessor

A

open source programming language

• popular for server side application development

37
Q

• 3 other components used in web services applciations:

  • SOAP
  • WSDL
  • UDDI
A
  • SOAP (Simple Object Access Protocol): specification that defines the XML format for msg
    • WSDL (Web services Description Language): a way for web service application to describe its interfaces in enough detail to allow user to build a client (user computer) application to talk to it

UDDI (Universal Discovery Description and Intergration): ??

38
Q

wEB APPLICATION FRAMEWORK

A

web development software,
• provides foundational code/framework for professional, interactive website,
• allows developers to customize the code to specific needs

39
Q

Distance education

A

classes over the web with no physical class meetings

40
Q

search engine

A

find information on web by specifying words key to a topic ( keywords. )

41
Q

meta search engine

A

run keyword searches on several search engines at same time.

42
Q

Search engine optimization (SEO)

A

driving traffic to website

• using techniques that improve the sites ranking in search results

43
Q

Web analytics software

A

study detailed statistics about visitors to sites

44
Q

Crowd sourcing

A

combined effort of many individuals to accomplish same task

45
Q

web portal

A

web page,
• useful info and links,
• acts as a entry point to web

Usually includes search engine,

46
Q

Horizontal portal

A

cover wide range of topics

47
Q

Vertical portal

A

provide info and links for special interest groups (narrow, specific)

48
Q

Telepresence

A

less convenient since its synchronous

• Involves lots of equipment and everyone must meet same time

49
Q

email

A

useful form of internet communication that supports text communication, HTML content, and sharing documents as email attachments

50
Q

Post office protocol

A

used to trf msgs from email servers to PC

51
Q

Internet mesage access protocol (IMAP)

A

allows you to view email using outlook or other email software, without downloading/storing messages locally

SMS415 (8 decks)

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