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What are three ways of representing color in CSS?
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Last updated
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Date created
Mar 1, 2020
Cards (60)
Section 1
(50 cards)
What are three ways of representing color in CSS?
Keyword color names, decimal RGB values, hexadecimal RGB values
If an element is positioned absolute within another element that has a position property, what is the starting point of positioning for the inner element?
The upper left corner of the containing element.
How does one insert a comment into a CSS style sheet?
/ comment /
In an e-commerce application, should the Web developer use the GET method or the POST method of sending data to the server, and why?
POST because, by the definition of the HTTP protocol, POST responses may not be cached.
How is the high compression of JPEG files achieved.
By using a lossy compression algorithm based on how the human eye perceives images.
How are host names and sub-domains assigned?
By the registrants of the second-level domains.
Names in the domain name system form:
a tree-structured name space
The DOCTYPE declaration provides:
an indication of the HTML standard in use.
What is the dotted quad format?
A way of writing IPv4 addresses as four decimal numbers.
Why does the font-family CSS specification take a list rather than a single font name?
Not all fonts are available on all computers; the browser will scan the list from left to right and use the first supported font named.
What must the Web developer do to keep pages from being "cut off" on the right when printed or displayed in a reduced-size browser window?
At least one <div> section across the width of the page must be of variable width.
What does the on-line validation service provided by the W3C do?
Compares HTML documents to DTDs to find deviations from the standard.
What are the three levels of style sheet?
External, document-level, and inline.
Why does an image appear to load faster when height= and width= are given using the natural dimensions of the image?
The browser can reserve space for the image and lay out the rest of the page.
Which of the following is correct CSS Syntax?
body {color: black}
What are HTML character entities are used for?
To include markup delimiters and special characters in HTML documents.
When a URL does not include a document (file) name, the Web server:
Uses its configuration information to determine how to handle the request.
In the context of CSS boxes, what is the difference between margin and padding?
Padding is the unoccupied area between the box boundary and its content and margin is the space surrounding the box boundary on the outside.
You should choose a heading from levels <h1> to <h6>:
so that the order of headings reflects the logical structure of the document.
What are the appropriate values of the width= and height= attributes of the <img> tag?
The natural or intrinsic width and height of the image.
What information is given in the alt= attribute of an <img> tag?
Text to be displayed when the image is not or cannot be displayed.
What is the purpose of a computer markup language like HTML?
To add information to text.
Why are many World Wide Web servers named WWW?
WWW is the "well-known name" for Web servers.
Why would a Web developer code an @ media print section in a cascading style sheet?
To specify the styles to be used when the page is printed.
What are the two kinds of TLDs?
Generic and geographic
Nesting lists is:
Permitted, provided proper tag nesting rules for lists are followed.
How many duplicate names are permitted on the Internet?
None
The word "deprecated" means:
that a feature may be removed from the language in a future revision.
The HTML tag <ol> is used to enclose:
An Ordered List, one that is displayed using numbered items.
MIME is:
Multimedia Internet Mail Extensions, a way of encoding binary data like pictures for use in email and on the Web
A web developer does not include a generic font family name in a font list for a section of content, and the browser has none of the specific fonts coded. What happens?
The text is displayed in the browser's default font.
There is no ending tag for line-break because:
the line-break tag does not enclose content.
What is the function of the root name servers?
To provide the addresses of the top-level domain name servers.
Text in the <title> element appears in the browser
as the title, in the title bar near the top of the browser window.
NCSA Mosaic was:
The first graphical Web browser.
An HTTP 1.1 request must contain:
An HTTP method and a Host header.
What is the functional difference between HTML checkboxes and radio buttons?
Checkboxes permit multiple items to be selected, while radio buttons permit at most one.
What are compression artifacts?
Visible defects in the picture caused by the nature of the compression algorithm.
How are the World Wide Web and the Internet related to one another?
The World Wide Web is a part of the Internet.
The World Wide Web was invented in:
Bern, Switzerland, at CERN
How is IPv6 different from IPv4?
IPv6 addresses have 128 bits and IPv4 addresses have 32 bits
In general, HTML specifies:
the logical structure of a document, with some formatting suggestions.
What is HTTP?
HyperText Transfer Protocol, the protocol of the World Wide Web.
What does "aspect ratio" mean?
The ratio of the width of an image to its height.
What is a peering point?
A specialized data center where ISPs connect their networks together.
What is the largest number in each part of a dotted-quad address?
255
Who controls the second-level domain name servers?
The registrants of the second-level domains.
A Web developer wants the browser to determine the initial position of an element, but wants to move the element later with JavaScript. Which one of the following types of positioning should the developer choose?
relative
How can one tell by looking whether an HTML path is an absolute path or a relative path?
An absolute path begins with a slash and a relative path does not.
What is the purpose of CIDR?
To conserve IPv4 addresses
Section 2
(10 cards)