Zend-Technologies 200-550 the latest exam practice questions and answers

NO.1 What is the difference between "print" and "echo"?
A. There is no difference.
B. Print has a return value, echo does not
C. Echo has a return value, print does not
D. Print buffers the output, while echo does not
E. None of the above
Answer: B

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NO.2 What is the output of the following code?
echo '1' . (print '2') + 3;
A. 123
B. 213
C. 142
D. 214
E. Syntax error
Answer: D

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NO.3 What is the output of the following code?
$first = "second";
$second = "first";
echo $$$first;
A. "first"
B. "second"
C. an empty string
D. an error
Answer: B

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NO.4 What is the output of the following code?
echo "1" + 2 * "0x02";
A. 1
B. 3
C. 5
D. 20
E. 7
Answer: C

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6. What is the output of the following code?
$a = 'a'; $b = 'b';
echo isset($c) ? $a.$b.$c : ($c = 'c').'d';
A. abc
B. cd
C. 0d
Answer: B

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7. What super-global should be used to access information about uploaded files via a POST
request?
A. $_SERVER
B. $_ENV
C. $_POST
D. $_FILES
E. $_GET
Answer: D

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8. 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;
}
A. one
B. two
C. three
D. four
Answer: C

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9. What is the output of the following code?
echo "22" + "0.2", 23 . 1;
A. 220.2231
B. 22.2231
C. 22.2,231
D. 56.2
Answer: B

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10. Which of the following may be used in conjunction with CASE inside a SWITCH statement?
A. A scalar
B. An expression
C. A boolean
D. All of the above
Answer: D

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11. What is the result of the following bitwise operation in PHP?
1 ^ 2
A. 1
B. 3
C. 2
D. 4
E. -1
Answer: B

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12. What is "instanceof" an example of?
A. a boolean
B. an operator
C. a function
D. a language construct
E. a class magic
Answer: B

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NO.5 Which of the following are valid identifiers? (Choose 3)
A. function 4You() { }
B. function _4You() { }
C. function object() { }
D. $1 = "Hello";
E. $_1 = "Hello World";
Answer: B,C,E

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Exam Code: 200-550
Exam Name: Zend Certified PHP Engineer
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Zend-Technologies 200-550 Test Answers 223 Q&As
Updated: 08-26,2015
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