Interview question based on skill :
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Total Questions: 20
1. Which one of the following is known as the key to object-oriented programming ?
Correct Answer is : All of the mentioned
2. Which one among the following means tight coupling ?
Correct Answer is : DESC table_name;
3. UML stands for?
Correct Answer is : gender char(1) check( gender IN (‘M’, ‘F’)),
4. In a class diagram the class is divided into three sections, what is displayed in the first section?
Correct Answer is : ENUM
5. ___ are used in class diagrams to describe the way in which specific elements should be used.
Correct Answer is : gender ENUM (‘M’, ‘F’),
6. Which one of the following is displayed below the class name in the class diagrams?
Correct Answer is : All of the mentioned
7. Which relationship is illustrated by a line that begins with an unfilled diamond?
Correct Answer is : Primary key is missing
8. If the diamond is filled it depicts which relationship?
Correct Answer is : A ”foreign Key” belong to this particular table
9. Which one of the following statements is true about sequence diagrams?
Correct Answer is :
10. A bidirectional relationship in class diagrams is described by________
Correct Answer is : It defines the tables used by a query & linking of tables in Mysql
11. # is the visibility code for?
Correct Answer is : All of the mentioned
12. Which one of the following is displayed in the third section of the class diagram?
Correct Answer is : Permanent Tables
13. Which one of the following is not a valid class name?
Correct Answer is : Virtual tables
14. Fill in the blank with the best option. An Object is a/an ________ of a class.
Correct Answer is : Rows returned by sub query
15. There are two objects- $product1 = new Shop(); $product2 = new Shop(); Which one of the following statements is right about them?
Correct Answer is : FROM
16. Which version of PHP introduced the visibility keywords i.e public, private, and protected?
Correct Answer is : All of the mentioned
17. Which characters is used to access property variables on an object-by-object basis?
Correct Answer is : FROM
18. Code that uses a class, function, or method is often described as the..
Correct Answer is : Virtual tables
19. Which keyword precedes a method name?
Correct Answer is : None of the mentioned
20. If you omit the visibility keyword in your method declaration, by default the method will be declared as..
Correct Answer is : All of the mentioned
