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Pass the Zend Certification ZF-100-500 Questions and answers with ExamsMirror

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Viewing page 3 out of 4 pages
Viewing questions 21-30 out of questions
Questions # 21:

Ross creates a database for a school. He creates two tables named Students and Courses. Which of the following SELECT statements will he use to define an outer join?

Options:

A.

SELECT Stud.Student_ID, Cou.Course_ID FROM Students Stud, Courses Cou WHERE

Stud.Course_ID (+) = Cou.Course_ID;

B.

SELECT Stud.Student_ID, Cou.Course_ ID FROM Students Stud, Courses Cou WHERE

Stud.Fees BETWEEN Cou.Min_Fees and Cou.Max_Fees;

C.

SELECT Stud.Student_ID, Cou.Course_ID FROM Students Stud, Courses Cou WHERE

Stud.Course_ID = Cou.Course_ID;

D.

SELECT Stud.Student_ID, Cou.Course_ID FROM Students Stud, Courses Cou WHERE

Stud.Student_ID = Cou.Course_ID;

Questions # 22:

Which of the following is used to persist the content between view scripts and view instances?

Options:

A.

Action View Helpers

B.

Placeholder Helper

C.

Initial Helpers

D.

Partial Helper

Questions # 23:

Which of the following code snippets will create a memory manager object?

Options:

A.

$memoryManager = Zend_Memory:=>factory('None');

B.

$memoryManager = Zend_Memoryfactory::None;

C.

$memoryManager = Zend_Memory::factory.None;

D.

$memoryManager = Zend_Memory::factory('None');

Questions # 24:

Which of the following inherits from Zend_Log_Writer_Abstract and is responsible for saving data to storage?

Options:

A.

Filter

B.

Writer

C.

Formatter

D.

Log

Questions # 25:

Which of the following statements describes the use of a GROUP BY clause?

Options:

A.

A GROUP BY clause returns a single row of information for each group of rows.

B.

A GROUP BY clause automatically sorts the grouped result in ascending order, if DESCkeyword is not defined.

C.

A GROUP BY clause returns a single row of information for each group of rows, in addition to all the rows.

D.

A GROUP BY clause automatically sorts the grouped result in descending order.

Questions # 26:

Which property is used to operate the memory object data?

Options:

A.

object

B.

data

C.

method

D.

value

Questions # 27:

Which of the following will NOT display the value of $debug_variable? Each correct answer represents a complete solution. Choose all that apply.

Options:

A.

echo Zend_Debug::dump($debug_variable, 'debug_variable', false);

B.

print(Zend_Debug::dump($debug_variable, 'd ebug_variable', true));

C.

ob_start(); Zend_Debug::dump($debug_variable, 'debug_variable', false); ob_end_flush();

D.

Zend_Debug::dump($debug_var iable, 'debug_variable', true);

Questions # 28:

You have a table created as follows:

create table foo (c1int, c2 char(30), c3 int, c4 char(10))

If column c1 is unique, which of the following indexes would optimize the statement given

below? Select distinct (c1), c3 from foo where c1=10

Options:

A.

create unique index foox on foo (c1) include (c3)

B.

create index foox on foo (c1)

C.

create index foox on foo (c1,c3)

D.

create unique index foox on foo (c1,c3)

Questions # 29:

Which of the following methods dynamically loads the Adapter class file on demand using Zend_Loader::loadClass()?

Options:

A.

Zend_Db_Adapter_Pdo_Mysql()

B.

Zend_load_Adaptor()

C.

fetchAll()

D.

Zend_Db::factory()

Questions # 30:

Which of the following functions is the best choice to retrieve the fingerprint of a string?

Options:

A.

md5()

B.

fingerprint()

C.

crypt()

D.

hash()

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