Internet & WWW Review

Question 1

The amount of data that can travel through a communications circuit in one second

Answer 1

Bandwidth

Question 2

The National Science Foundation actively encouraged commercial network traffic on the networks it funded, which lay the foundation for the commercial success of the Internet in the late 1990s.

Answer 2

False

Question 3

Large ISPs that sell Internet access along with other services to businesses are often called

Answer 3

CSPs

Question 4

Which of the following operates at 1 Gbps?

Answer 4

Gigabit Ethernet

Question 5

An intranet that allows selected outside parties to connect is often called a(n):

Answer 5

extranet

Question 6

What was the first GUI program that could read HTML and use HTML documents’ hyperlinks to navigate from page to page on computers anywhere on the Internet?

Answer 6

Mosaic

Question 7

____ includes rules for routing of individual data packets.

Answer 7

IP

Question 8

Many LANs today run ____, which operates at 100 Mbps.

Answer 8

Fast Ethernet

Question 9

What is the name of the agency charged in the 1960s with the task of connecting Department of Defense computers to each other and to weapons installations distributed all over the world?

Answer 9

DARPA

Question 10

____ includes rules that computers on a network use to establish and break connections.

Answer 10

TCP

Question 11

Network interface cards are connected to cables that are, in turn, connected to the company’s main computer, called a server.

Answer 11

True

Question 12

What is a likely transmission time for a 4 GB file on a Gigabit Ethernet LAN?

Answer 12

35 seconds

Question 13

What is a likely transmission time for a 800 KB file on an Ethernet LAN?

Answer 13

.7 seconds

Question 14

A technology that was developed using a DSL protocol is called ____.

Answer 14

ADSL

Question 15

Some companies are beginning to offer fixed-point wireless connections, which use technology similar to wireless LANs, but these offerings are in limited areas and prices are still highly variable.

Answer 15

True

Question 16

____ enabled users to transfer files between computers.

Answer 16

FTP

Question 17

The term ____ equals 1,024 bps.

Answer 17

Kbps

Question 18

T1 and T3 connections are much less expensive than ISDN connections.

Answer 18

False

Question 19

HTML includes ____ that indicate which text is part of a header element, which text is part of a paragraph element, and which text is part of a numbered list element.

Answer 19

tags

Question 20

The GUI interface presented in Web browsers has been an important element in the rapid growth of the Web.

Answer 20

True

Question 21

Realizing that the Internet was no longer a scientific research project, the DOD finally closed the research portion of its network, the ____, in 1995.

Answer 21

ARPANET

Question 22

____ software is created and maintained by volunteer programmers who work together using the Internet to build and refine a program, which is made available to users at no charge.

Answer 22

Open-source

Question 23

Bandwidth for Internet connections is measured in multiples of ____.

Answer 23

bps

Question 24

Which type of connection can a business or large organization obtain a 44.736 Mbps connection?

Answer 24

T3

Question 25

Coaxial cable carries signals about ____ times faster than Category 1 twisted-pair.

Answer 25

20

Question 26

The process of shutting down the ARPANET and privatizing the Internet began in 1991 when the NSF eased its restrictions on Internet commercial activity.

Answer 26

True

Question 27

Some older LANs still use an older version of Ethernet that operates at about 10 Mbps.

Answer 27

True

Question 28

Regular telephone service to most U.S. residential and business customers provides a maximum bandwidth of between 28.8 Kbps and 256 Kbps.

Answer 28

False

… between 28.8 Kbps and 52 Kbps.

Question 29

In 1988, Robert Morris, Jr. launched a program called the ____ that used weaknesses in e-mail programs and operating systems to distribute itself to more than 6,000 of the 60,000 computers that were then connected to the Internet.

Answer 29

Internet Worm

Question 30

The ARPANET initiated the open architecture philosophy during the late 1960’s, unlike IBM and Digital Equipment Corporation who put considerable effort into making their networks incompatible with other networks.

Answer 30

True

Question 31

The speeds provided by the newer ADSL technologies currently being implemented by telephone companies and other companies meet or exceed the speed of standard cable connections.

Answer 31

True