Web Technology - True/False questions

Give a short explanation for each answer.

1. HTML5 is more strict about syntax details than earlier versions of HTML.

True/False

2. An inverted index lists for each term the document id's in which that term appears.

True/False

3. Heap's law predicts that if you index many documents, you will have quickly encountered all unique words in the collection.

True/False

4. Websites no longer need to use cookies if they upgrade to AJAX.

True/False

5. If Javascript code on a web page from www.siteb.com tries to send an AJAX request to www.siteA.com, modern web

browsers add a HTTP request header origin: www.siteB.com to indicate this to site A.

True/False

6. A responsive web document conforms to the W3C accessibility guidelines WCAG 2.0.

True/False

7. In order to be completely (level AAA) compliant with W3C accessibility guidelines, one needs to create 5 separate versions

of a web page: a normal one and each for visually, auditory, motoric and cognitively impaired users.

8. Auto-play option for videos increase accessibility of web pages.

True/False