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Q1. The function mysqli_affected_rows() can be used to perform which of the following actions? (Choose 2) 

A. get the number of rows that are affected by SELECT statements 

B. get the number of rows that are affected by UPDATE statements 

C. get the number of rows that are affected by INSERT statements 

D. get the number of rows in a result set 

E. get the numbers of rows that are affected after committing a transaction using COMMIT 

Answer: BC


Q2. After executing a SELECT query on a database server, 

A. All data is immediately transmitted to PHP 

B. All data will be transmitted on-demand to PHP 

C. None of the above 

Answer: AB


Q3. Which of the following function signatures is correct if you want to have classes automatically loaded? 

A. function autoload($class_name) 

B. function __autoload($class_name, $file) 

C. function __autoload($class_name) 

D. function _autoload($class_name) 

E. function autoload($class_name, $file) 

Answer: C


Q4. Transitions can be used to: (Choose 2) 

A. Recover from errors in case of a power outage or a failure in the SQL connection 

B. Ensure that the data is properly formatted 

C. Ensure that either all statements are performed properly, or that none of them are. 

D. Recover from user errors 

Answer: AC


Q5. What is the output of the following code? 

A. A syntax error in the function declaration line 

B. An error, because null is not an instance of 'a' 

C. Nothing, because a null value is being passed to renderVal() 

D. NULL 

Answer: B


Q6. 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 

Answer: D


Q7. Which of the following statements about exceptions are correct? (Choose 2) 

A. you can only throw classes derived from Exception 

B. a try block can have multiple catch blocks 

C. a try block must not be followed by a catch block 

D. try blocks cannot contain nested try blocks 

Answer: AB


Q8. 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 

Answer: B


Q9. Which is the most secure approach for handling dynamic data in SQL queries? 

A. Use addslashes(). 

B. Enable magic_quotes_gpc. 

C. Use prepared statements if supported by the database library, data-specific escaping functions otherwise. 

D. Use stored procedures. 

Answer: C


Q10. Which of these protocols are NOT governed by the W3C in their latest versions? (Choose 2) 

A. XML-RPC 

B. SOAP 

C. WSDL 

D. UDDI 

Answer: AD


Q11. When a class is defined as final it: 

A. Can no longer be extended by other classes. 

B. Means methods in the class are not over-loadable. 

C. Cannot be defined as such, final is only applicable to object methods. 

D. Is no longer iteratable. 

Answer: A


Q12. What PHP function can be used to remove a local file? 

A. A) rmdir() 

B. B) unlink() 

C. C) rm() 

D. D) delete() 

E. E) delete_file() 

Answer: B


Q13. What is the maximum size of the VARCHAR column type? 

A. 255 Bytes 

B. 255 Characters 

C. 512 Bytes 

D. 512 Characters 

E. No Limit 

Answer: B


Q14. What visibility denies access to properties and methods outside of the class? 

A. static 

B. protected 

C. private 

D. public 

E. const 

Answer: C


Q15. CORRECT TEXT 

What is the name of the key in $_FILES['name'] that contains the number of bytes of the uploaded file? 

Answer: size