Web Systems and Technologies

When a client requests a web page, what software is used as a tool?

• Web Browser

• Web Server

• Website

• Web Content

Which of these statements is not true?

• The web operates on a client-server model.

• Web servers and web browsers speak HTTP to each other and do so using host names, domain names, and IP addresses.

• A web server is special software that knows how not to respond to requests for web pages.

• None of the above

What is a scripting language designed specifically for use on the web. It has features to aid you in programming the tasks needed to develop dynamic web applications?

• Javascript

• PHP

• HTML

• CSS

Which of the these statements is not true?

• The web server continues in HTML mode until it encounters a PHP opening tag (<?php).

• The web server starts scanning the file in HTML mode. It assumes the statements are HTML and sends them to the browser without any processing.

• The web server continues in PHP mode until it encounters a PHP closing tag (?>).

• None of the above.

________ are containers used to hold information.

Which of these statements were the rule of declaring variable in PHP?

• All variable names have a dollar sign ($) in front of them. This tells PHP that it is a variable name.

• Variable names must begin with a letter or an underscore. They cannot begin with a number.

• Variable names can be any length.

• Variable names can include letters, numbers, and underscores only.

• All of the above

_____ are a series of instructions in a file named with an extension that tells the web server

What are expressions that PHP tests or evaluates to see whether they are true or false. Conditions are used in complex statements to determine whether a block of simple statements should be execute ?

• Loopings

• Conditions

• Arithmetic

• Functions

What statement tests conditions, executing a block of statements when a condition is true?

What statement are used frequently in scripts to set up a block of statements that repeat?

• Conditional

• Function

• Loop

• Arithmetic