Networking: Chapter 4 (The World Wide Web)

Question 1

What are attributes in terms of HTML elements?

Answer 1

Attributes are additional information relating to the appearance of the element it is describing

Question 2

What is XHTML?

Answer 2

It is a stricter version of HTML, and requires that all documents have a type declaration and all tags are properly closed.

Question 3

What is a microbrowser?

Answer 3

A microbrowser is a web browser that is designed for mobile devices with small screens and low bandwidth

Question 4

What is Wireless Markup Language (WML)?

Answer 4

WML is the language microbrowser applications are written in

Question 5

What is a Crawler based search engine?

Answer 5

A search engine that has a database within it, which have been created by Spider programs

Question 6

What is a Spider?

Answer 6

A Spider ‘crawls’ the web in hunt for pages which are linked to pages already in a Crawler database.

Question 7

What is a Directory based search engine?

Answer 7

A search engine that relies on human reviewers to create the database of links

Question 8

What is a Meta search engine?

Answer 8

A search engine that returns results from a number of different search engines and summarises them

Question 9

How does a meta search engine work?(3)

Answer 9

• The meta search engine passes queries to several other search engines
• It then searches the databases of these other search engines
• The meta search engine then summaries the queried details in a list

Question 10

What are 2 restrictions of WML?

Answer 10

• WML doesn’t support many text formats

* WML has problems with tables due to the width of applications