File Info
| Exam | Zend Certified PHP Engineer |
| Number | 200-550 |
| File Name | Zend.200-550.PracticeTest.2018-11-10.113q.vcex |
| Size | 76 KB |
| Posted | Nov 10, 2018 |
| Download | Zend.200-550.PracticeTest.2018-11-10.113q.vcex |
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Demo Questions
Question 1
What is the result of the following bitwise operation in PHP?
1 ^ 2
- 1
- 3
- 2
- 4
- -1
Correct answer: B
Question 2
What is the output of the following code?
echo "22" + "0.2", 23 . 1;
- 220.2231
- 22.2231
- 22.2,231
- 56.2
Correct answer: B
Question 3
Which of the following will set a 10 seconds read timeout for a stream?
- ini_set("default_socket_timeout", 10);
- stream_read_timeout($stream, 10);
- Specify the timeout as the 5th parameter to the fsockopen() function used to open a stream
- stream_set_timeout($stream, 10);
- None of the above
Correct answer: D
Question 4
What function allows resizing of PHP's file write buffer?
- ob_start()
- set_write_buffer()
- stream_set_write_buffer()
- Change the output_buffering INI setting via ini_set() function
Correct answer: C
Question 5
What does the __FILE__ constant contain?
- The filename of the current script.
- The full path to the current script.
- The URL of the request made.
- The path to the main script.
Correct answer: B
Question 6
What can prevent PHP from being able to open a file on the hard drive (Choose 2)?
- File system permissions
- File is outside of open_basedir
- File is inside the /tmp directory.
- PHP is running in CGI mode.
Correct answer: AB
Question 7
What purpose do namespaces fulfill?
- Encapsulation
- Alternative to classes
- Improved performance
- All of the above
Correct answer: A
Question 8
When would you use classes and when would you use namespaces?
- Use classes to encapsulate code and represent objects, and namespaces to avoid symbol name collisions
- Use classes for performance-sensitive code, and namespaces when readability matters more
- Use namespaces for performance-sensitive code, and classes when readability matters more
- Always use them; namespaces are always superior to classes
Correct answer: A
Question 9
You'd like to use the class MyDBConnection that's defined in the MyGreatFramework\MyGreatDatabaseAbstractionLayer namespace, but you want to minimize *as much as possible* the length of the class name you have to type. What would you do?
- Import the MyGreatFramework namespace
- Import the MyGreatFramework\MyGreatDatabaseAbstractionLayer namespace
- Alias MyGreatFramework\MyGreatDatabaseAbstractionLayer\MyDBConnection to a shorter name
- Alias MyGreatFramework\MyGreatDatabaseAbstractionLayer to a shorter name
Correct answer: C
Question 10
How should you track errors on your production website?
- Enabling display_errors
- Enabling log_errors
- Having a site-wide exception handler
- Setting error_reporting to E_ALL & ~E_NOTICE
Correct answer: B
