Web Design Chapter 1

Web developers typically create web pages using new features available exclusively on a particular browser. (T/F)

False

Identify the steps used in an HTTPS transaction. Step 3

The browser and web server initiate an "SSL handshake"

Do web servers always generate ETags for all web resources?

No

Does a 304 response generally contain a message body?

No

Is www.nasa.gov a valid URL?

No, you need http://

Which file does the following URL access? http://www.weather.com/summer/temperatures.htm

temperatures.htm

A DNS server's primary role is to convert _____.

the domain name to an ip address

Which status code is sent when the web server compares the cached ETag with the server's ETag for a requested web resource, and the two ETags are identical?

304

What is the size of an IP address in IPv4?

32 bits

A program for viewing web pages.

Browser

Identify the steps used in an HTTPS transaction. Step 1

Browser requests an HTTPS connection to a web page.

Manages document presentation

CSS

Identifies the web server software that generated the response.

Server

If the customer notices the low water level and calls, the company receptionist's browser can have the customer's pool status web page loaded by the time the receptionist answers the phone. (T/F)

True

Which scheme should a URL use to provide a secured HTTP connection to a web server?

https

HTML 2.0 standard was published in...

1995

rgb(250, 0, 250)

Purple

rgb(255, 255, 255)

White

The term HyperText was invented in...

1965

Third-level domain

www

Top-level domain.

.gov, .edu, .org, .mil, .com, .net

How many total HTTP requests does a browser send for a web page that does not use any other web resources?

1

The idea for generating links from within one document to other documents was in...

1945

First web browser was created in...

1990

When was the first website published?

1991

The World Wide Web Consortium (W3C) was created in...

1994

When was yahoo created?

1994

If a web browser sends 20 HTTP requests to a web server, how many HTTP responses will the web server likely send to the web browser?

20

HTML5 standard was published in...

2014

In what year did web browsing first become more likely on mobile rather than desktop?

2016

IPv6 supports about how many IP addresses?

3.4x10^28

How many websites existed in 2001

30 million

Which status code is sent when the web server wants to redirect the browser to a different URL?

301 or 302

How many websites existed in 2011?

350 million

Which status code is sent when the web server is denied permission to the requested URL?

403

Which status code is sent when the requested URL does not point to an existing resource on the web server?

404

How many cars, machines, meters, and other IoT devices did Cisco, a major network equipment manufacturer, predict would be connected to the Internet in 2020?

49 Billion

How many total HTTP requests does a browser send for a web page that contains four web resources: an image, a video, a CSS style sheet, and a JavaScript file?

5

Visual clues that guide the user in figuring out how to use an app.

Affordances

Number of bytes in the response's message body.

Content-Length

Media type of the response's message body.

Content-Type

Before a TCP connection is created, the web browser performs a/an ______.

DNS lookup

Document Object Model

DOM

rgb(200, 0, 0)

Dark red

Datetime the response was generated by the web server.

Date

cnn.com is a(n) _____.

Domain name

The period when the web was first developed.

Early 1990s

Because Chrome is by far the leading browser worldwide, testing a web page only really needs to be done using Chrome. (T/F)

False

Color blindness is so rare that web developers do not have to consider the issue when selecting colors for a web page. (T/F)

False

Really small businesses are exempt from web accessibility requirements. (T/F)

False

The pool company will not know that the water level is too low unless the customer calls or someone happens to check the system status web page. (T/F)

False

The pool company would have to send a technician to the pool to change the control system settings. (T/F)

False

Unlike the blind, people who are deaf do not need special accommodation for websites. (T/F)

False

Websites have either an IP address or a domain name, but not both. (T/F)

False

With the introduction of IPv6, devices on the Internet no longer use IPv4. (T/F)

False

A 404 message indicates that a domain name is not recognized. (T/F)

False, 404 messages means that the web server could not find the requested page

If a web server is down (such as powered off), the server may return a page saying to please try again later. (T/F)

False, if a server is down, the server cannot return a page.

Which request method is used by the browser to get the same response headers that a GET would generate but without the message body?

HEAD

Specifies document structure

HTML

The language used for a text file that describes a web page.

HTML

The protocol for transferring files among computers via the web.

HTTP

Where can the HTTP header field If-None-Match be found?

HTTP request

The domain name for the requested path.

Host

Are human doctors or IBM's Watson more likely to keep up with new medical information in 2020?

IBM's Watson

What HTTP header field is used to make a conditional request using a datetime?

If-Modified-Since

Another name for the web that was considered by the web's creator.

Information mesh

Enables document interaction

JavaScript

Datetime the requested resource was last modified on the web server.

Last-Modified

A web development approach that advocates first creating a reduced-feature version of a website for mobile users. Then, the developer creates a full-featured website for visitors using desktop computers.

Mobile first

rgb(250, 150, 0)

Orange

Which request method is used by the browser to submit web form data to the web server?

POST

A web design approach that creates web pages that automatically move and resize parts depending on the display size and orientation.

Responsive web design

Physical dimension in pixels of a device's screen.

Screen Size

Identify the steps used in an HTTPS transaction. Step 4

The browser and web server transmit encrypted information

A random website is more likely to have a visitor with low vision than a visitor who is totally blind. (T/F)

True

A technician installs devices that measure and report water chemical concentrations, water level, pump status, and water flow through the filter system. (T/F)

True

After the customer reports the water level, the receptionist could inform the caller that a service technician was already dispatched and was six minutes from arriving at the house. (T/F)

True

The pool control system periodically transmits summary data over the Internet to a pool service company's web server. (T/F)

True

Web developers can sometimes ignore really old web browsers. (T/F)

True

Identifies the browser making the request.

User-Agent

Web document that is viewed in a web browser.

Web page

A program that serves web pages to browsers.

Web server

Identify the steps used in an HTTPS transaction. Step 2

Web server sends digital certificate to the browser.

Collection of related web pages.

Website

Is the following a valid URL? http://www.nasa.gov/cubequest/details/#.VOaO_VPF9U9

Yes

Is the following a valid URL? http://www.whitehouse.gov/

Yes

Second-level domain.

whitehouse (the middle of the link)

What is the hostname of the following URL? http://www.weather.com/summer/temperatures.htm

www.weather.com