4351 Exam 4 Review
What condition causes the for loop to output the numbers 100 down to 50, inclusively? for ($c = 100; ______; $c--) { echo $c; }
$c >= 50
Which code segment produces a notice error message?
$count= 2; echo $COUNT; $count = 2; echo $count;
Which statement produces a parse error?
$owner = 'Pam's';
What file extension does a PHP script have?
.php
What compound assignment operator makes $points become 2.5? $points = 5; $points ____ 2;
/=
What is $x at the end of each code segment? $a = 2; if ($a == "2"){ if ($a === "2") { $x = 1; } else { $x = 0; } }
0
What is $x at the end of each code segment? $x = 0; if ($x > 10) { $x = 1; }
0
What is $x at the end of each code segment? if ("history" < "math") { $x = 1; } else { $x = 0; }
1
In one experiment, artifacts with the Cyclomatic Complexity M greater than _____ were shown to have statistically more errors
10 or ten
What are the first and last numbers output by the code segment? $c = 100; while ($c > 0) { echo $c; $c -= 10; }
100 and 10
$points = 10; $points--; $points + 2 = ?
11
3 + 5 * 2 = ?
13
What numbers are output by the code segment? for($x = 1; $x <= 3; $x++) { for($y = 2; $y <= 4; $y++) { echo $y; } }
2, 3, 4, 2, 3, 4, 2, 3, 4
Nested if statements rule of thumb: if statements nested to a depth greater than _____ should be avoided as poor Programming Practice
3 or three
What numbers are outputted by the code segment? for ($c = 5; $c < 10; $c += 2) { echo $c; }
5, 7, 9
What value is $points? $points = 2; $points *= 3 + 1;
8
What output is produced by the PHP script?
<h1><h1>This is a test</h1>echo "This is only a test";
In choosing the Implmentation Language, the following techniques are used:
Cost Benefit Analysis
Client-side data validation makes server-side data validation unecessary
False
Fault Distribution in modules is Uniform
False
Indicate if the expression evaluates to true or false "123" === 123
False
Indicate if the expression evaluates to true or false "bat" < "ball"
False
Indicate if the expression evaluates to true or false 2 > 10 || 1 > 2
False
The code below outputs "Angie"
False
Indicate if the expression evaluates to true or false "123" !== 123
False "123" is identical to "123"
PHP code runs in a web browser.
False it runs on a web server javascript runs in a web browser
These are techniques for the Testing Workflow:
Glass Box Testing Black Box Testing Code Walkthroughs and Inspections
Code reuse is the most common form of reuse However, artifacts from all workflows can be reused (Design ______)
Patterns
QUESTION 27
Q27
Q43
Q43
Q47
Q47
QUESTION 12
QUESTION 12
These are examples of 4GL languages:
SQL RoR (ruby on rails)
Integration of Object Oriented Products is done using:
Sandwich implementation and Integration
What value is $message? $message = "Top"; $message .= "secret";
Topsecret
$this in a method contains an object reference.
True
Indicate if the expression evaluates to true or false !(2 > 10 && 5 > 0)
True
Indicate if the expression evaluates to true or false "123" == 123
True
Indicate if the expression evaluates to true or false 2 > 10 || (3 % 2 != 2 && 5 > 0)
True
Many PHP applications run on Linux with an Apache webserver and MySQL as the datebase.
True
Must PHP statements be terminated by a semicolon?
Yes
What does the code output? $test = "adios"; echo "$test test";
adios test
Glass Box Testing is also known as Testing to ____.
code
Glass Box Testing is also known as Testing to _____.
code
One measure of the complexity of a code artifact is the number of lines of code. Another measure of complexity is ______ complexity M (McCabe) which measures essentially the number of decisions (branches) in the code artifact. It is also a good measure of number of faults.
cyclomatic
Which loop always executes the loop body at least once?
do-while
A technique to select minimum test cases for the Black Box Testing is called Equivalence Testing and Boundary Value Analysis. It divides the Input or Output Specifications in ______ Classes.
equivalence
The var_dump (variable) function outputs trhe data type of a variable. What is the output of the code below? $x = 1.23; var_dump($x);
float(1.23)
The art of testing is to select a small, managable set of Test Cases to: - ______ the chances of detecting a fault, while - ______ the chances of wasting a Test Case
maximize minimize or maximizing minimizing or maximizes minimizes
Consider the statement <condition 1> && <condition 2> In Java and C++ the semantics of the && operator are such that if <condition 1> is false, then <condition 2> is not evaluated. What is the technical term for this?
minimal evaluation short-circuit evaluation
Which line of code adds a "title" property to the Book class?
public $title;
The following are metrics for the Implementation Workflow:
size cost duration effort complexity metrics
Black Box Testing is also known as Testing to ________.
specification or specifications
The Integration Process must be run by:
the SQA group
