200-710最も有効な質問と解答で勉強

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Zend-Technologies Zend Certified Engineer 認定 200-710 試験問題：

問題 #1

How many elements does the array $pieces contain after the following piece of code has been executed?
$ pieces= explode("/", "///");

A. 5
B. 0
C. 4
D. 3

問題 #2

Consider the following table data and PHP code. What is the outcome?
Table data (table name "users" with primary key "id"):

PHP code (assume the PDO connection is correctly established):
$ dsn = 'mysql:host=localhost;dbname=exam';
$ user= 'username';
$ pass='********';
$ pdo = new PDO{$dsn, $user, $pass);
$ cmd ="SELECT* FROM users WHERE id= :id";
$ stmt = $pdo->prepare($cmd);
$ id = 3;
$ stmt->bindParam('id', $id);
$ stmt->execute();
$ stmt->bindColumn{3, $result);
$ row= $stmt->fetch(PDO::FETCH_BOUND);

A. The value of $result will be '[email protected]'.
B. The value of $row will be an array.
C. The database will return no rows.
D. The value of $result will be empty.

問題 #3

What is the output of the following code?
class Foo Implements Array Access {
function offsetExists($k) { return true;}
function offsetGet($k) {return 'a';}
function offsetSet($k, $v) {}
function offsetUnset($k) {}
}
$ x = new Foo();
echo array_key_exists('foo', $x)?'true':'false';

A. true
B. false

問題 #4

Which of the following will set a 10 seconds read timeout for a stream?

A. ini_set("default_socket_timeout", 10);
B. stream_set_timeout($stream, 10);
C. Specify the timeout as the 5th parameter to the fsockopen() function used to open a stream
D. None of the above
E. stream_read_timeout($stream, 10);

問題 #5

Under what condition may HTIP headers be set from PHP if there is content echoed prior to the header
function being used?

A. The webserver uses preemptive mode
B. The client supports local buffering
C. headers_sent() returns true
D. Output buffering is enabled

解説：