How to pass Zend 200-710 exam with the help of dumps?

Question # 1

When retrieving data from URLs, what are valid ways to make sure all file_get_contents calls send a certain user agent string? (Choose 2) 

A. $default_opts = array('http'=>array('user_agent'=>"My Cool Browser")); $default = stream_context_set_default($default_opts); 
B. stream_context_set_option("user_agent", "My Cool Browser"); 
C. ini_set('user_agent', "My Cool Browser"); 
D. stream_context_set_option($context, "http", "user_agent", "My Cool Browser"); 

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Question # 2

Which of these error types may be handled by a user defined error handler function? (Choose two.) 

A. E_ERROR 
B. E_NOTICE 
C. E_PARSE 
D. E_WARNING 

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Question # 3

When would you use classes and when would you use namespaces? 

A. Use classes to encapsulate code and represent objects, and namespaces to avoid symbol name collisions 
B. Use classes for performance-sensitive code, and namespaces when readability matters more 
C. Use namespaces for performance-sensitive code, and classes when readability matters more 
D. Always use them; namespaces are always superior to classes 

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Question # 4

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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Question # 5

What is the method used to execute XPath queries in the SimpleXML extension? 

A. xpathQuery() 
B. xpath() 
C. simpleXMLXpath() 
D. query() 
E. evaluate() 

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Question # 6

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 database will return no rows. 
B. The value of $row will be an array. 
C. The value of $result will be empty. 
D. The value of $result will be 'gamma@example.net'. 

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Question # 7

Type hinting in PHP allows the identification of the following variable types: (Choose 2) 

A. String
 B. Integer
 C. Array 
D. Any class or interface type 
E. All of the above 

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Question # 8

What is the result of the following code? class T { const A = 42 + 1; } echo T::A; 

A. 42 
B. 43 
C. Parse error 

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Question # 9

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

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

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Question # 10

What will an opcode cache ALWAYS automatically improve?

A. Running time of a loop in a PHP script
 B. Efficiency of HTML markup generated by a PHP script 
C. Execution speed of a PHP script 
D. Memory footprint of a PHP script 
E. None of the above

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Question # 11

Which of the following will NOT instantiate a DateTime object with the current timestamp? 

A. $date = new DateTime(); 
B. $date = new DateTime('@' . time()); 
C. $date = new DateTime('now');
 D. $date = new DateTime(time()); 

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Question # 12

How many elements does the array $matches from the following code contain? $str = "The cat sat on the roof of their house."; $matches = preg_split("/(the)/i", $str, -1, PREG_SPLIT_DELIM_CAPTURE); 

A. 2 
B. 3 
C. 4 
D. 7 
E. 9 

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Question # 13

Is the following code vulnerable to SQL Injection ($mysqli is an instance of the MySQLi class)? $age = $mysqli->real_escape_string($_GET['age']); $name = $mysqli->real_escape_string($_GET['name']); $query = "SELECT * FROM `table` WHERE name LIKE '$name' AND age = $age"; $results = $mysqli->query($query);

A. No, the code is fully protected from SQL Injection. 
B. Yes, because the $name variable is improperly escaped. 
C. Yes, because the $name variable and the $age variable is improperly escaped. 
D. Yes, because the $age variable is improperly escaped. 
E. Yes, because you cannot prevent SQL Injection when using MySQLi 

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Question # 14

Consider the following table data and PHP code. What is the outcome? Table data (table name "users" with primary key "id"): id name email ------- ----------- ------------------- 1 anna alpha@example.com 2 betty beta@example.org 3 clara gamma@example.net 5 sue sigma@example.info PHP code (assume the PDO connection is correctly established): $dsn = 'mysql:host=localhost;dbname=exam'; $user = 'username'; $pass = '********'; $pdo = new PDO($dsn, $user, $pass); try { $cmd = "INSERT INTO users (id, name, email) VALUES (:id, :name, :email)"; $stmt = $pdo->prepare($cmd); $stmt->bindValue('id', 1); $stmt->bindValue('name', 'anna'); $stmt->bindValue('email', 'alpha@example.com'); $stmt->execute(); echo "Success!"; } catch (PDOException $e) { echo "Failure!"; throw $e; } 

A. The INSERT will succeed and the user will see the "Success!" message. 
B. The INSERT will fail because of a primary key violation, and the user will see the "Success!" message. 
C. The INSERT will fail because of a primary key violation, and the user will see a PDO warning message. 
D. The INSERT will fail because of a primary key violation, and the user will see the "Failure!" message. 

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Question # 15

What is the output of the following code? class A { public $a = 1; public function __construct($a) { $this->a = $a; } public function mul() { return function($x) { return $this->a*$x; }; } } $a = new A(2); $a->mul = function($x) { return $x*$x; }; $m = $a->mul(); echo $m(3); 

A. 9 
B. 6
 C. 0 
D. 3 

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