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E-Business > Chapter 2 > Flashcards

Chapter 2 Flashcards

1
Q

During the innovation phase (1961 – 1974), the internets purpose was to …..

A

Link Researchers nationwide via computer

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2
Q

During the Institutional Phase (1975-1995), the department of Defense and National Science foundation provided …

A

Funding to expand the building blocks of the internet into a complex military communication system and then into a civilian system

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3
Q

During the Commercialization Phase (1995- present), government agencies….

A

Encouraged corporations to assume the responsibility for future expansion

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4
Q

The three technology components behind the internet are…

A

Packet Switching
TCP/IP
Client/Server technology

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5
Q

Packet Switching

A

– slices digital messages into packets, routes the packets along different communication paths as they become available and then reassembles the packets once they arrive at there destination

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6
Q

TCP/IP -

A

core communication protocol for the internet. TCP establishes connections among receiving and sending. Web computers make sure their packets sent by one computer are received in the same sequence

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7
Q

IP -

A

provides the addressing scheme and is responsible for the actual delivery of the packets

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8
Q

Client/Server Technology -

A

makes it possible for large amount of information to be stored on web servers and shared with individual users on their client computers

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9
Q

The primary platform that access the internet is …

A

the mobile platform, the number of cellphone subscribers exceeds the number of PC owners!

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10
Q

HTTP delivers…

A

the requested web pages, allowing users to view them in other words is the protocol used to transmit web pages over the internet

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11
Q

SMTP and POP enable email to be…

A

routed to a mail server and then picked up by the recipients server

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12
Q

IMAP enables email to …

A

be sorted before being downloaded by the recipient

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13
Q

SSL and TLS ensure that…

A

information transmissions are encrypted

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14
Q

FTP is used to transfer …

A

files from servers to clients and vice versa

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15
Q

Telnet is a utility program that …

A

enables work to be done remotely

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16
Q

Ping is a…

A

utility program that allows users to verify a connection between client and server

17
Q

Tracert lets you track the….

A

Route a message takes from a client to a remote computer

18
Q

SMTP, POP, IMAP, SSL, TLS and FTP are all examples of …

A

Internet protocols

19
Q

The backbone of the internet is…

A

composed primarily of high bandwidth fiber-optic cable operated by a variety of providers

20
Q

IXPs are…

A

hubs that use high speed switching computers to connect the backbone with regional and local networks

21
Q

CAN’s are …

A

local area networks operating within a single organization that connect directly to regional networks and local networks

22
Q

ISP , also known as Internet service providers …

A

deal with the “last mile” of service to homes and offices.

23
Q

Governing bodies such as IAB, ICANN, IESG, IETF etc do not control the internet but…

A

have influence over it and monitor its operations

24
Q

What are 5 limitations of today’s internet?….

A

Bandwidth limitations, Quality of service limitations, Network architecture limitations, language development limitations, limitations arising from the “wired” nature of the internet

25
Q

Quality of service limitations

A

data packets not arriving in the correct order causing latency

26
Q

Network architecture limitations

A

servers cannot keep up with demand

27
Q

Language development limitations –

A

– the nature of HTML restricts the quality of “Rich” information that can be shared online.

28
Q

Limitations arising from the “wired” nature of the internet …

A

the internet is based on primarily on physical cables which restricts the mobility of users

29
Q

What are some potential capabilities of the future internet?

A

– improvements to fiber optic, improvements in LAN and 4G tech, increase in bandwidth – all increasing internet speed as well

30
Q

In 1993, Marc Andreessen created the first…

A

geographical web browser which makes it possible to view documents on the web anywhere!

31
Q

Hypertext

A

a way of formatting pages with embedded links that connect documents to one another

32
Q

XML

A

newer markup language that allows designers to describe data and information

E-Business (6 decks)

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