CIT 410 EXAM 2

Frage	Antworten
We primarily use JavaScript for ______-side scripting.	client
Within what HTML element/section would we place the link to an external JavaScript file (one word)?	head
What HTML attribute is set equal to the path and filename of an external JavaScript file?	src
Embedded JavaScript must be placed within what HTML element (one word)?	script
<button id="colorButton" onclick="changeColor(getElementById('colorPicker').value);">Change Color</button> Is an example of including JavaScript in what manner?	inline
When declaring a local variable in JavaScript, what keyword must precede the variable name?	var
Declaring a variable in JavaScript without the keyword from the previous question will make the variable to have what kind of scope?	global
What is the minimum number of times that "Hello" will be printed? while (count < 4) { document.write("Hello"); count++; }	0
What is the minimum number of times that "Hello" will be printed? do { document.write("Hello"); count++; } while (count < 4);	1
<p id="para1">rabbit</p> Use the DOM to get the <p> element using the ID and change the HTML to read: turtle	document.getElementById9"para1").innerHTML="turtle";
Execute the same task from the previous question using the jQuery shorthand.	$("#para1").html("turtle");
What method sets up a function that will be called whenever a specified event occurs? Hint: the method sets up a listener	addEventListener()
In lab 3, when you hovered over the image thumbnails, they would "pop-out" a bit. Was it JavaScript or a CSS rule that made that happen?	css
In lab 3, when you hovered over the large image, a caption would fade in. Was it JavaScript or a CSS rule that made that happen?	JavaScript
The basic jQuery selector for an element with id="pickme" is $("#pickme")	$(".pickme")
A PHP variable name begins with what symbol?	$
Originally, PHP stood for:	personal home pages
Now, PHP stands for	PHP: Hypertext Preprocessor
A PHP file must have what file extension?	.php
opening PHP tag	<?php
closing php tag	?>
Write a line of code that creates a variable "num" and sets it equal to 10.	$num=10;
Using standard PHP programming convention, how would you write a line of code that uses the define() function to create a constant named standard gravity to 9.81 ?	define("STANDARD_GRAVITY",9.81);
What HTML does the following code produce? echo "<a href=\"http://uncw.edu\">UNCW</a>";	<a href="http://uncw.edu">UNCW</a>
What does the following code produce? for ($i = 1; $i < 11; $i++) { $nums .= $i; } echo $nums	12345678910
What does the following code produce? for ($i = 1; $i < 11; $i++) { $nums .= $i; } echo $nums	0
If the GET method is used, how would you print to the screen the value submitted for: <input type="text" name="address">	echo $_GET['address'];
If the POST method is used, how would you print to the screen the value submitted for: <input type="radio" name="size" value="S">Small<br> <input type="radio" name="size" value="M">Medium<br> <input type="radio" name="size" value="L">Large<br>	echo $_POST['size'];
An array that uses named keys rather than index integer values is what kind of array [one word]?	associative
What character begins a query string?	?
What looping construct is particularly useful for iterating over an array with key - value pairs?	foreach
What does RDBMS stand for?	relational database management system
Cassandra and MongoDB are examples of what kind of database system?	NoSQL
Where can we find mysqli_connect.php based on this line of code? <?php require '../../mysqli_connect.php'; ?>	two levels above main site folder
Why is it considered best practice to put the dB connection code outside of the public_html directory?	security
What PHP function is used to assign our actual password to DB_PASSWORD ?	define()
What is used to uniquely identify each record in a dB table?	primary key
What kind of dB relationship links a single record in one table to possibly multiple records in another table?	one to many
SQL stands for	structured query language
What SQL keyword has fields as its argument(s) (i.e. field names directly follow it)?	SELECT
SQL is case sensitive.	false
What SQL keyword has tables as its argument(s)?	FROM
What SQL keyword has a Boolean condition as its argument(s)?	WHERE
When two dB tables are related, it is common to see the primary key in one table mapped to a ____ key in the other table.	foreign key
We can upload and store files, like images, directly in a database. This type of field is known as a BLOB which stands for	binary large object
The last step in the basic dB connection algorithm is:	free resources and close connection

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