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
