Download Zend.200-550.CertKey.2019-03-09.223q.vcex

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Exam Zend Certified PHP Engineer
Number 200-550
File Name Zend.200-550.CertKey.2019-03-09.223q.vcex
Size 138 KB
Posted Mar 09, 2019
Download Zend.200-550.CertKey.2019-03-09.223q.vcex

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Demo Questions

Question 1

What is the output of the following code? 
echo '1' . (print '2') + 3;


  1. 123
  2. 213
  3. 142
  4. 214
  5. Syntax error
Correct answer: D



Question 2

What is the output of the following code? 
$a = 3; 
switch ($a) { 
  case 1: echo 'one'; break;
  case 2: echo 'two'; break; 
  default: echo 'four'; break;
  case 3: echo 'three'; break;
}


  1. one
  2. two
  3. three
  4. four
Correct answer: C



Question 3

What is "instanceof" an example of?


  1. a boolean
  2. an operator
  3. a function
  4. a language construct
  5. a class magic
Correct answer: B



Question 4

Which of the following may be used in conjunction with CASE inside a SWITCH statement?


  1. A scalar
  2. An expression
  3. A boolean
  4. All of the above
Correct answer: D



Question 5

What is the output of the following code? 
$a = 'a'; $b = 'b'; 
echo isset($c) ? $a.$b.$c : ($c = 'c').'d';


  1. abc
  2. cd
  3. 0d
Correct answer: B



Question 6

Which of the following are valid identifiers? (Choose 3)


  1. function 4You() { }
  2. function _4You() { }
  3. function object() { }
  4. $1 = "Hello";
  5. $_1 = "Hello World";
Correct answer: BCE



Question 7

What super-global should be used to access information about uploaded files via a POST request?


  1. $_SERVER
  2. $_ENV
  3. $_POST
  4. $_FILES
  5. $_GET
Correct answer: D



Question 8

What is the difference between "print" and "echo"?


  1. There is no difference.
  2. Print has a return value, echo does not
  3. Echo has a return value, print does not
  4. Print buffers the output, while echo does not
  5. None of the above
Correct answer: B



Question 9

What is the output of the following code? 
echo "1" + 2 * "0x02";


  1. 1
  2. 3
  3. 5
  4. 20
  5. 7
Correct answer: C



Question 10

What is the result of the following bitwise operation in PHP?  
1 ^ 2


  1. 1
  2. 3
  3. 2
  4. 4
  5. -1
Correct answer: B









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