Quiz 1

The acronym UDP stands for User Datagram Protocol.

What is the main directory where a web server stores the files it can serve called?-Its document root In a web address like http://cs.smu.ca/~pawan, what does the ~ signify?-it's the home directory of the user pawan on the given server

As you proceed from left to right through www.cs.abc.xyz, the succeeding parts (between the periods) represent smaller and smaller domains to which the host machine belongs.

-False

What is something like www.mysite.yourhost.com called?

-A/an FQDN

What does the acronym FTP stand for?

-File Transfer Protocol

Communication “protocols” are used by humans as well as by computers.

-True

Where was Tim Berners-Lee working when he began his development of what would become the World Wide Web?

-CERN, the European Laboratory for Nuclear Research

Which is the “odd one out” in the following list?

-URF

ARPANET is the acronym of the company for which Tim Berners-Lee was working when he developed HTML.

-False

The first developments that led eventually to the Internet were done at IBM in the early 1950s.

-False

The 'D' in DHTML stands for Dynamic

The “software infrastructure” consisting of many different programs and communication standards that lets people around the world retrieve and exchange information of various kinds is called the World Wide Web.

The world-wide collection of computers and other devices connected by various means is called the Internet.

When two programs communicate with one another on the World Wide Web, they do so through what is called a layered communication architecture. One model for such an architecture is the seven-layer _______________________________ and another is the four-layer____________________________.

1)  stack network design

            7 layers are  ( lowest to highest layers --> 

            [Application, Presentation, Session, Transport, Network, Data Link, Physical ])

2)  conceptual model

             4 layers are ( Application, Transport, Internet, Link )

or 

Open Systems Interconnect Model, Internet Model

In some areas of web development, the developer has no choice in the technology that must be used, but in other areas there is lots of choice. Explain this statement by referring to at least five of the technologies we plan to study in this text

HTML and XHTML

As you proceed from left to right through www.cs.abc.xyz, the succeeding parts (between the periods) represent smaller and smaller domains to which the host machine belongs.

-False

Google's Chrome browser is now the most widely used of all the available browsers.

-False

If you wish to view a file on your local hard drive directly from your browser, then what you type into the browser's address bar should start with File