Week 09 - World Wide Web Analysis 2 (L26-L30)

Question 1

What is DOM?

Answer 1

DOM - Document Object Model; programming interface for developers to change document structure of HTML pages;

Question 2

What are Server Side Scripting Languages and how are they used?

Answer 2

PHP, PERL, JAVA. Scripts that dynamically generate content on the server. e.g. Request to databases.

Question 3

What are Client Side Scripting Languages and how are they used?

Answer 3

Scripts that work on the client. E.g. JavaScript, VBScript. Can dynamically create content on client-side; used for dynamic content, validation and help

Question 4

List some IIS log file formats

Answer 4

• W3C extended
• W3C centralized
• Centralized binary loggging
• IIS standard logging
• NCSA log file format
• ODBC logging

Question 5

What is nginx?

Answer 5

Web server

Question 6

What is XML?

Answer 6

Extensible Markup Language; defines what data actually means. Can have custom tags.

Question 7

What is HTML?

Answer 7

Hypertext Markup language. Language that defines how a websites looks like

Question 8

Apache log - explain: %h, %l, %u, %s, %b, %t, %r, %U

Answer 8

• h: Hostname;
• l: remote username;
• u: remote username;
• s: status;
• b: bytes;
• t: time;
• r: first line of request;
• U: requested URL

Question 9

What is XHTML? What are the main differences to HTML?

Answer 9

• HTML with XML extension.
• All tags needs to be closed.
• All tags in small letters.
• Tags that don’t have ending per definition have special tag
• Correct DOCTYPE at the beginning.
• All tags needs to be nested.
• All tag attributes needs to be added properly.