quiz 2

Which of the following best describes the role of a Web crawler, or spider? a) They scan Web pages for viruses and other malevolent software. b) They traverse the Web, cataloging Web pages for use by Web searches engines. c) They serve as intermediaries between Web browsers and servers, retrieving and displaying requested pages. d) They store cookies on user computers in order to remember data between Web site visits.

b) They traverse the Web, cataloging Web pages for use by Web searches engines.

Which of the following claims about the Web is FALSE? a) Tim Berners-Lee invented the Web and developed the first Web browser and server software. b) A Web page is a text document that contains formatting information written in the Hypertext Markup Language (HTML). c) A Uniform Resource Locator (URL) specifies the address where a Web page can be found. d) The most popular Web browser in the world today is Mozilla Firefox

c) The most popular Web browser in the world today is Mozilla Firefox.

In most Web browsers, cookies are used to save local copies of downloaded pages and files in order to save time when they are accessed again.

false

The World Wide Web was developed in the early 1970s, shortly after the development of the Internet.

false

The protocol that defines how Web browsers and server communicate with each other is the HyperText Transfer Protocol (HTTP).

true