VEFF-EXAM3

CSS Sprites are used to: 1. reduce the number of HTTP requests required to view a webpage 2. reduce the size of the CSS file 3. reduce the number of selectors required in a CSS file 4. allow the use of variables in a CSS file, such as for color values 5. transfer data between requests to maintain state in a web application

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In order to improve the search ranking of a webpage (i.e. where it will appear when a user searches for a particular word in a search engine), a number of improvements can be made. Placing the appropriate search keywords in the locations described below will help, with the exception of one location. Which one? 1. In the URL 2. Inside images 3. Inside headings 4. Inside META tags 5. Inside main content, as early as possible

2

The most common protocol used to deliver web pages is: 1. FTP 2. HTTP 3. HTTPS 4. SMTP 5. Gopher

2

A HTTP request will contain a status code. Status codes in the 200-299 range are: 1. reserved for future use 2. information status codes 3. success status codes 4. redirection status codes 5. client error status codes

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Webkit, Gecko and Trident are all examples of.... 1. web browsers 2. web servers 3. rendering engines 4. web protocols 5. URL parsers

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What does the Content-Type field in a HTTP response contain? 1. The status code 2. The actual content of the response, i.e. the HTML document 3. The MIME type of the content 4. The type of the content, as a file extension - i.e. .html for a HTML file 5. The type of the response, i.e. success/failure etc.

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When applying the "Any order columns" pattern to a web page, you are: 1. making sure users can reorder the columnns in the website by dragging and dropping 2. ensuring that the HTML markup is valid 3. creating a webpage where columns can appear anywhere on the page, regardless of their position in the markup 4. creating a webpage with any number of columns 5. verifying that columns are of the same size

3

Which of the following is NOT a web browser? 1. Google Chrome 2. Mozilla Firefox 3. Opera 4. Apache 5. Safari

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In a HTTP request, what is the purpose of the User-Agent header field? 1. To handle authentication, i.e. allow the user to pass in username and password 2. To specify in what format the user wants the response 3. To specify what browsers are installed on the client machine 4. To specify the URL being requested 5. To specify what browser is issuing the request, plus other information such as the OS version etc.

5

Which of the following is NOT a valid URL? (Note: you are not supposed to answer if these urls do really point to some website, but if the format of the URL´s themselves is valid). 1. http://www.example.com/ 2. http://www.example.com/?page=2 3. http://www.example.com/page#title 4. http://www.example.com:8080/#section 5. http://www.example.com/#title=10&src=12

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