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Web Systems Technologies

Covers the principles and technologies used in developing and managing web-based systems, including web design, programming for effective online presence.

web

systems

technologies

html

css

javascript

php

python

ruby

java

asp.net

cms

api

database

security

What does the following code do? var s_list= new Array()

  • None of the choices

PHP and ASPnet are example of Application Server

  • True

Which of these would be valid as the first line of a for loop?

  • for (x=1;x<6;x+=1)

If a = 5 and b = a++ + 10 * 3, what is the value of y?

  • None of the choices

The script tag's attribute that tells the browser the language of the script.

  • type

Which of the following comparisons will return false?

  • 4<=3

This are statements that performs repetitive tasks.

  • Loops

Which of the following is not recommended feature in choosing a script editor?

  • None of the Choices

Why should you use the type attribute in the opening script tag?

  • To be sure the browser does not interpret your JavaScript as another scripting language and to ensure the Web page validates in _XHTML

Which of the following variable declarations uses a variable with a valid variable name in JavaScript?

  • None of the choices

It is a function that display the content of the array

  • print_r(~Hasdollar~Flowers);

What is the original name of JavaScript?

  • Mocha

Is JavaScript code case sensitive?

  • No

Web browser such as IE/Chrome/Safari/Opera is part of the client tier This renders HTML, Images and CSS It also executes client-side codes such as javascripts and plugins

  • True

In JavaScript, you access object properties through the use of the

  • None of the choices

Variable names are not case sensitive

  • True

This are meandering code that does a lot of different things in one single place.

  • Spaghetti Code

To declare a function, you use the reserved word ________

  • function

Which of the following is not a JavaScript operator?

  • None of the choices

Is a property use to display document within the frame

  • document

The keydown event occurs when a viewer presses down a key on the keyboard

  • True

The getMonth() method returns the same number as the number that represents the current month (for example, returns 1 if the current month is January)

  • True

Which of the following statements will return false?

  • (4>=4)&&(5<=2)

JavaScript has similarities to other programming and scripting languages.

  • True

Which of the following comparisons will return true?

  • 4!=3

If str = "Jose, Enrique, Vicente" and res = strslice(15,22), what will be the resulting value of res?

  • Vicente

Who developed the JavaScript?

  • None of the choices

This is the command line interface of the Symfony 2.

  • AppConsole

This are made up of both prescribed pattern to structure and organize your code and pre-built, pre-tested components that you can use to shorten your development time and to aid in code organization.

  • Framework

It holds multiple values.

  • Arrays

JavaScript is a language that must be compiled while Java is a language that must be interpreted.

  • Object based

Which of the following is not an include statement?

  • <?php include_all 'include/externalphp' ?>

To write a string of text on a Web page, the _________ method is used

  • documentprint()

It is the command used to incorporate an external page into your html

  • include

The mousedown event uses what keyword as its event handler?

  • None of the choices

Is use to change the color of the web page to blue

  • windowbgcolor = blue

How do you write "Hello World" in an alert box?

  • alert(“Hello World”)

It is a collection of individual data items that are stored in a highly structured way that represetnts a model of reality

  • Database

An external JavaScript file commonly uses a filename extension of _______.

  • .js

Which of the following is not the file to access if you want to change your server's time?

  • indexphp

Which of the following statements will return true?

  • !(17>=20)

What does a comparison operator do?

  • Compares two values or statements, and returns a value of true or false

Which of the following is a Free PHP Editor?

  • Komodo Edit

What property of the Array object will return the numeric value of the length of an array?

  • The length property

The choice of a Web browser is up to you, as long it's compatible with _________.

  • JavaScript

What are two of the benefits of using variables?

  • They can save you time in writing and updating your scripts, and they can make the purpose of your code clearer

Active scripting is not a programing language instead it is a plain text interpreted to make a dynamic and interactive web pages.

  • False

Which of the following statements would be valid in JavaScript?

  • documentwrite("John said, "Hi!"");

The external JavaScript file must contain the

  • False

It is named value pairs that are stored in the browser and they're sent to the web server with each page request

  • Cookies

All object collections are supported by all browsers or browser versions

  • False

JavaScript is a _________ language that doesn't require a program to be compiled before it is run.

  • scripting

Refers to an array of all objects of a particular type

  • object collection

What do you use to enclose the blocks of code in conditionals and loops?

  • Curly brackets

Which of the following successfully prints a variable named myhobby by adding it to a set of strings?

  • documentwrite("I like to " +myhobby+ " every weekend");

This is a framework that is backed by a french company Sensio Labs and distributed with the MIT license.

  • Symfony 2

Which of the following successfully prints a variable named name by adding it to a set of strings?

  • None of the choices

Rather than executing every single line of code within the script, a conditional statement allows certain sections of the script to be executed only when a particular condition is met

  • True

Which of the following language is used to program the behavior of web pages?

  • None of the choices

Part of the web browser that understands HTML and CSS.

  • Rendering Engine

It is a function in the PHP that converts the string into Upper case

  • strtoupper()

The _______ signals the end of a JavaScript statement.

  • None of the choices

It is a PHP function wherein the data will be transmitted to the server in the http header when the form is submitted for processing

  • ~Hasdollar~_POST

You should avoid using JavaScript reserved words as variable names

  • True

For Linux installation of the individual components, you have to use the Apt-Get which is a GUI based program installed in Linux

  • True

What do the properties and methods of the Math object enable you to do?

  • Perform mathematical calculations

It is a server side scripting language that is designed to be embedded because it is mixed in the HTML Markup. This Language can process and email contact forms, upload & file from online forms, generate thumbnails for large images, watermark images, read and write files and communicate with a database.

  • PHP

How will you end a statement in PHP?

  • by putting a semicolon (;)

Which of the following is a valid name for an array?

  • soap

What does an assignment operator do?

  • Assigns a new value to a variable

When would it be a good idea to use an external JavaScript file?

  • When the script is very long or needs to be placed in more than one HTML document

Web Applications are built with multi-tier architecture

  • True

In naming a variable in PHP what is the required Special Character?

  • ~Hasdollar~ (Dollar Sign)

Is an object collection for all internal frames in the document

  • documentframes

How many times can you nest a code block within another?

  • As many times as you like (though enough nesting could run the browser out of memory)

This is the command to display the value stored in the variable.

  • Echo

Which of the following is the open and closing tags of PHP?

  • <?php ?>

What symbol is used as the assignment operator in JavaScript?

  • None of the choices

Server Stack is composed of server based software that runs together such as HTTP Server, Application Server and Database Server

  • True

Which of the following is something you should have to use the JavaScript?

  • Web browser

Which of the following indicates that a single line of commentary will follow it within JavaScript code?

  • //

Which of the following is not a JavaScript object?

  • None of the choices

Which of the following will correctly access the fifth element of an array named "age"?

  • age[4];

Which of the following correctly assigns the day of the week for an instance of the Date object named rightnow to a variable named weekday?

  • None of the above

Which of the following does not belong to the group?

  • AMA-PC1user

This are statement that performs preset of tasks.

  • Functions

Which of the following does not correctly create an array?

  • var if= new Array[10];

Part of the browser that understands JavaScript.

  • JavaScript Interpreter

Which of the following would be valid as the first line of an if/else statement?

  • None of the choices

The fastest way to install your AMP Stack is to use either WAMP Server or the MAMP Server

  • True

What are two reasons why a function can be useful?

  • They provide a way to organize the various parts of the script into the different tasks that must be accomplished, and they can be reused

A system of tools that package up all three components into a single application so that we can develop within

  • Database Management System

It is a function in the PHP that check whether the variable has been set

  • isset()

Which of the following would correctly generate a random number between 0 and 7?

  • var rand_int= Mathfloor(Mathrandom()*7);

This are statements that make decision.

  • Conditional Statement

OSX has Apache and PHP included in its Operating System

  • True

It is a function in the PHP that get the date of the server

  • date()

Each object in JavaScript has properties associated with it

  • True

An event handler is a predefined JavaScript property of an object that is used to handle an event on a Web page

  • True

In installing individual components for Windows, you download all components from vendors

  • True

Which of the following is not a framework concepts?

  • Controller

Which of the following would correctly write the value of pi on a Web page?

  • documentwrite(MathPI);

Which of the following string declarations is invalid?

  • None of the choices

Which of the following is not a commenting style?

  • % %

Which of the following is a valid use of the windowalert() method?

  • None of the choices

JavaScript is _________.

  • Object based
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