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Exam 4: Internet History and Architecture

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Question 1

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Hosts connected to the Internet are identified by a unique 24-bit number that identifies a network and specific host within that network.

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verified

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Question 2

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The development of a internationally distributed collection of multimedia files addressed using universal resource locators led to the

A) Telnet package.
B) Email system.
C) World-wide-web.
D) FTP package.
E) Domain resource locator.

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verified

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Question 3

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The Internet grew out of a Department of Education project.

A computer connected to the Internet is called a host.

Packet switching is like message switching except that the unit of data sent at one time is limited in size,thus requiring larger messages to be broken into pieces.

A paradigm for electronic communications where messages are split into blocks of data with limited size,which are then transmitted one-by-one across the network is called

The key features of the DNS database are

ARPANet was the first message-switching network .

The first two important applications developed for the ARPANET where

The National Science Foundation was responsible for many of the policy decisions that led to the modern Internet.

The Domain Name System (DNS) is comprised of four elements.Which of the following is NOT one of these elements?

The first "killer application" for the ARPANET was

Commercial use of the Internet was discouraged until approximately 1988.

The problems of using IP numbers for addressing hosts in the Internet are resolved using

In the Internet,individual hosts and/or local area networks are connected to an Internet services provider through a point-of-presence.

When using circuit switching,a dedicated path of transmission facilities is established between the communicating parties.

When using message switching instead of packet switching,a dedicated path must be established between the parties for all messages that are sent.

A paradigm for electronic communications where a dedicated path is opened and maintained during the exchange is called