Vendor Name: Zend
Exam code: 200-550
Exam Name: Zend Certified PHP Developer
Click the link below to get full version
http://www.examcertify.co.uk/200-550.html
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Question: 1
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What is the output
of the following code?
echo '1' . (print
'2') + 3;
A. 123
B. 213
C. 142
D. 214
E: Syntax error
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Answer: D
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Question: 2
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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
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Answer: C
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Question: 3
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What is
"instanceof" an example of?
A. a boolean
B. an operator
C. a function
D. a language
construct
E: a class magic
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Answer: B
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Question: 4
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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
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Answer: D
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Question: 5
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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
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Answer: B
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Question: 6
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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";
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Answer: B, C, E
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Question: 7
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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
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Answer: D
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Question: 8
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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
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Answer: B
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Question: 9
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What is the output
of the following code?
echo "1"
+ 2 * "0x02";
A. 1
B. 3
C. 5
D. 20
E: 7
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Answer: C
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Question: 10
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What is the result
of the following bitwise operation in PHP?
1 ^ 2
A. 1
B. 3
C. 2
D. 4
E: -1
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Answer: B
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Question: 11
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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
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Answer: B
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Question: 12
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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
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Answer: B
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Question: 13
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Your supervisor
wants you to disallow PHP scripts to open remote HTTP and FTP resources using
PHP's file functions. Which php.ini setting should you change accordingly?
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Answer:
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Question: 14
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Which of the
following code snippets DO NOT write the exact content of the file
"source.txt" to "target.txt"? (Choose 2)
A.
file_put_contents("target.txt", fopen("source.txt",
"r"));
B.
file_put_contents("target.txt", readfile("source.txt"));
C. file_put_contents("target.txt",
join(file("source.txt"), "\n"));
D.
file_put_contents("target.txt",
file_get_contents("source.txt"));
E: $handle =
fopen("target.txt", "w+"); fwrite($handle,
file_get_contents("source.txt")); fclose($handle);
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Answer: B, C
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Question: 15
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What is the
recommended method of copying data between two opened files?
A.
copy($source_file, $destination_file);
B.
copy($destination_file, $source_file);
C.
stream_copy_to_stream($source_file, $destination_file);
D.
stream_copy_to_stream($destination_file, $source_file);
E:
stream_bucket_prepend($source_file, $destination_file);
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Answer: C
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Question: 16
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Which of the
following will set a 10 seconds read timeout for a stream?
A.
ini_set("default_socket_timeout", 10);
B.
stream_read_timeout($stream, 10);
C. Specify the
timeout as the 5th parameter to the fsockopen() function used to open a stream
D.
stream_set_timeout($stream, 10);
E: None of the
above
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Answer: D
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Question: 17
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What function
allows resizing of PHP's file write buffer?
A. ob_start()
B.
set_write_buffer()
C.
stream_set_write_buffer()
D. Change the
output_buffering INI setting via ini_set() function
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Answer: C
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Question: 18
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What does the
__FILE__ constant contain?
A. The filename of
the current script.
B. The full path to
the current script.
C. The URL of the
request made.
D. The path to the
main script.
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Answer: B
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Question: 19
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What can prevent
PHP from being able to open a file on the hard drive (Choose 2)?
A. File system
permissions
B. File is outside
of open_basedir
C. File is inside
the /tmp directory.
D. PHP is running
in CGI mode.
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Answer: A, B
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Question: 20
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What purpose do
namespaces fulfill?
A. Encapsulation
B. Alternative to
classes
C. Improved
performance
D. All of the above
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Answer: A
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