Internet & WWW Review Flashcards
The amount of data that can travel through a communications circuit in one second
Bandwidth
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.
False
Large ISPs that sell Internet access along with other services to businesses are often called
CSPs
Which of the following operates at 1 Gbps?
Gigabit Ethernet
An intranet that allows selected outside parties to connect is often called a(n):
extranet
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?
Mosaic
____ includes rules for routing of individual data packets.
IP
Many LANs today run ____, which operates at 100 Mbps.
Fast Ethernet
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?
DARPA
____ includes rules that computers on a network use to establish and break connections.
TCP
Network interface cards are connected to cables that are, in turn, connected to the company’s main computer, called a server.
True
What is a likely transmission time for a 4 GB file on a Gigabit Ethernet LAN?
35 seconds
What is a likely transmission time for a 800 KB file on an Ethernet LAN?
.7 seconds
A technology that was developed using a DSL protocol is called ____.
ADSL
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.
True
____ enabled users to transfer files between computers.
FTP
The term ____ equals 1,024 bps.
Kbps
T1 and T3 connections are much less expensive than ISDN connections.
False
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.
tags
The GUI interface presented in Web browsers has been an important element in the rapid growth of the Web.
True
Realizing that the Internet was no longer a scientific research project, the DOD finally closed the research portion of its network, the ____, in 1995.
ARPANET
____ 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.
Open-source
Bandwidth for Internet connections is measured in multiples of ____.
bps
Which type of connection can a business or large organization obtain a 44.736 Mbps connection?
T3
Coaxial cable carries signals about ____ times faster than Category 1 twisted-pair.
20
The process of shutting down the ARPANET and privatizing the Internet began in 1991 when the NSF eased its restrictions on Internet commercial activity.
True
Some older LANs still use an older version of Ethernet that operates at about 10 Mbps.
True
Regular telephone service to most U.S. residential and business customers provides a maximum bandwidth of between 28.8 Kbps and 256 Kbps.
False
… between 28.8 Kbps and 52 Kbps.
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.
Internet Worm
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.
True
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.
True
