MCQOPTIONS
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MCQOPTIONS
This section includes 69 Mcqs, each offering curated multiple-choice questions to sharpen your Technical MCQs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Existing data can be modified by calling? |
| A. | Save |
| B. | Update |
| C. | both a and b |
| D. | None of the above |
| E. | |
| Answer» D. None of the above | |
| 2. |
get_id() instance method returns primary key of a row. |
| A. | Yes |
| B. | No |
| C. | Can be yes or no |
| D. | Can not say |
| Answer» B. No | |
| 3. |
The Peewee.Model class also has a ________ method that creates a new instance and add its data in the table. |
| A. | get |
| B. | set |
| C. | create |
| D. | insert |
| Answer» D. insert | |
| 4. |
Which class is used to establish foreign key relationship in two models and hence, the respective tables in database? |
| A. | Binary fields |
| B. | ForeignKey field |
| C. | Numeric Field |
| D. | Text fields |
| Answer» C. Numeric Field | |
| 5. |
Which method Inserts a new row in the underlying table mapped to model? |
| A. | Classmethod select() |
| B. | Classmethod update() |
| C. | classmethod delete() |
| D. | classmethod insert() |
| Answer» E. | |
| 6. |
Which method create an alias to the model-class? |
| A. | Classmethod select() |
| B. | Classmethod update() |
| C. | Classmethod alias() |
| D. | classmethod insert() |
| Answer» D. classmethod insert() | |
| 7. |
________ is SQLite extension which is used to modify operation of SQLite library. |
| A. | tuple |
| B. | pragma |
| C. | psycopg2 |
| D. | pymysql |
| Answer» C. psycopg2 | |
| 8. |
Peewee supports? |
| A. | SQLite |
| B. | MySQL |
| C. | PostgreSQL |
| D. | All of the above |
| Answer» E. | |
| 9. |
Peewee developed by a U.S. based software engineer Charles Leifer in ? |
| A. | 2005 |
| B. | 2007 |
| C. | 2010 |
| D. | 2013 |
| Answer» D. 2013 | |
| 10. |
Peewee is a Python Object Relational Mapping (ORM) library. |
| A. | TRUE |
| B. | FALSE |
| C. | Can be true or false |
| D. | Can not say |
| Answer» B. FALSE | |
| 11. |
wxPython API contains wx.Slider class. |
| A. | Yes |
| B. | No |
| C. | Can be yes or no |
| D. | Can not say |
| E. | |
| Answer» B. No | |
| 12. |
Which of the following method Sets the button’s caption programmatically? |
| A. | SetLabel |
| B. | GetLabel |
| C. | SetDefault |
| D. | Default |
| Answer» B. GetLabel | |
| 13. |
_______ method is inherited by all display objects from wx.EvtHandler class. |
| A. | OnClick() |
| B. | Event() |
| C. | Load() |
| D. | Bind() |
| Answer» E. | |
| 14. |
___________ class object shows a vertical or horizontal bar, which graphically shows incrementing quantity. |
| A. | wx.Slider |
| B. | wx.MenuBar |
| C. | Wx.Gauge |
| D. | wx.CheckBox |
| Answer» D. wx.CheckBox | |
| 15. |
A _________ displays a small labeled rectangular box. |
| A. | wx.StaticText |
| B. | wx.checkbox |
| C. | wx.Frame |
| D. | wx.Toolbar |
| Answer» C. wx.Frame | |
| 16. |
Which of the following is true about wx.Panel? |
| A. | Class has a default constructor with no arguments |
| B. | class object presents a control holding such read-only text |
| C. | class is usually put inside a wxFrame object |
| D. | None of the above |
| Answer» D. None of the above | |
| 17. |
Which of the following is true about wxFormBuilder? |
| A. | wxFormBuilder is open source |
| B. | wxFormBuilder is cross-platform |
| C. | wxFormBuilder is can translate the wxWidget GUI design into C++, Python, PHP or XML format |
| D. | All of the above |
| Answer» E. | |
| 18. |
A ___________ window can contain any frame that is not a dialog or another frame. |
| A. | wxModule |
| B. | wxFrame |
| C. | wxWidget |
| D. | wxFormBuilder |
| Answer» C. wxWidget | |
| 19. |
wxPythonis a Python wrapper forwxWidgets. |
| A. | TRUE |
| B. | FALSE |
| C. | Can be true or false |
| D. | Can not say |
| Answer» B. FALSE | |
| 20. |
wxPython developed by? |
| A. | Robin Dunn |
| B. | Harri Pasanen |
| C. | Guido van Rossum |
| D. | Both A and B |
| Answer» E. | |
| 21. |
The Hibernate architecture consists of? |
| A. | persistent object |
| B. | session factory |
| C. | transaction |
| D. | All of the above |
| E. | |
| Answer» E. | |
| 22. |
What do you think about the statement - "session being a thread-safe object"? |
| A. | Yes |
| B. | No |
| C. | Can be yes or no |
| D. | Can not say |
| Answer» C. Can be yes or no | |
| 23. |
Which session method begin a unit of work and return the associated Transaction object? |
| A. | clear |
| B. | cancelQuery |
| C. | Transaction beginTransaction |
| D. | Transaction |
| Answer» D. Transaction | |
| 24. |
A ___________ represents a unit of work with the database and most of the RDBMS supports transaction functionality. |
| A. | Query objects |
| B. | Session |
| C. | Criteria objects |
| D. | Transaction |
| Answer» E. | |
| 25. |
Hibernate has _____ cache types |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |
| 26. |
_____________ is mainly used for improving the application performance by helping to load the child objects on demand. |
| A. | Load |
| B. | Configuration |
| C. | Lazy loading |
| D. | CGF |
| Answer» D. CGF | |
| 27. |
SessionFactory provides an instance ofSession. |
| A. | TRUE |
| B. | FALSE |
| C. | Can be true or false |
| D. | Can not say |
| Answer» B. FALSE | |
| 28. |
A ____________ is an object that maintains the connection between Java object application and database. |
| A. | cookie |
| B. | session |
| C. | cache |
| D. | persist |
| Answer» C. cache | |
| 29. |
Which of the following are advantages of Hibernate? |
| A. | Clean Readable Code |
| B. | Hibernate Query Language |
| C. | Exception Handling |
| D. | All of the above |
| Answer» E. | |
| 30. |
Hibernate ORM stands for ? |
| A. | Class Relational Mapping |
| B. | Class Object Mapping |
| C. | Object Relational Mapping |
| D. | None of the above |
| Answer» D. None of the above | |
| 31. |
The Statement object is created by using createStatement() method of Connection class. |
| A. | TRUE |
| B. | FALSE |
| C. | Can be true or false |
| D. | Can not say |
| E. | |
| Answer» B. FALSE | |
| 32. |
_______ method can be used for any SQL statements(Select and Update both). |
| A. | executeQuery |
| B. | executeUpdate |
| C. | execute |
| D. | All of the above |
| Answer» D. All of the above | |
| 33. |
The ___________ method returns the object of java.lang.Class object. |
| A. | Class.Name() |
| B. | Class.forAttribute() |
| C. | Class.Attributes() |
| D. | Class.forName() |
| Answer» E. | |
| 34. |
Which represents a collection of binary data stored as a single entity in the database management system? |
| A. | Clob |
| B. | Blob |
| C. | Glob |
| D. | Dlob |
| Answer» C. Glob | |
| 35. |
The Connection object is created by using __________ method of DriverManager class. DriverManager is the factory for connection. |
| A. | createConnection() |
| B. | setConnection() |
| C. | getConnection() |
| D. | Connect() |
| Answer» D. Connect() | |
| 36. |
How many types of JDBC drivers? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» E. | |
| 37. |
The java.sql and javax.sql are the primary packages for JDBC 4.0. |
| A. | Yes |
| B. | No |
| C. | Can be yes or no |
| D. | Can not say |
| Answer» B. No | |
| 38. |
JDBC Architecture consists of ______ layers. |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» B. 3 | |
| 39. |
The JDBC API supports __________ processing models for database access |
| A. | two-tier |
| B. | three-tier |
| C. | both two-tier and three-tier |
| D. | None of the above |
| Answer» D. None of the above | |
| 40. |
What is correct MIME type for JSON ? |
| A. | application/js |
| B. | application/json |
| C. | json/mime |
| D. | application/xml |
| E. | |
| Answer» C. json/mime | |
| 41. |
Which of the following is not a type in JSON? |
| A. | Date |
| B. | Object |
| C. | Array |
| D. | String |
| Answer» B. Object | |
| 42. |
Which is correct format of writting JSON name/value pair |
| A. | 'name : value' |
| B. | 'name = 'value' |
| C. | 'name = "value" |
| D. | "name" : "value" |
| Answer» E. | |
| 43. |
JSON is based onECMAScript. |
| A. | Yes |
| B. | No |
| C. | Can be yes or no |
| D. | Can not say |
| Answer» B. No | |
| 44. |
Which of the following are benefits of JSON over XML? |
| A. | It is faster and lighter than XML as on the wire data format |
| B. | XML data is typeless while JSON objects are typed |
| C. | XML data are all string |
| D. | All of the above |
| Answer» E. | |
| 45. |
What is the default value of a constructor’s prototype? |
| A. | 0 |
| B. | 1 |
| C. | null |
| D. | -1 |
| Answer» D. -1 | |
| 46. |
____________ creates a new object with the specified prototype object and properties. |
| A. | Create |
| B. | Object.create |
| C. | Object.get |
| D. | Object.set |
| Answer» C. Object.get | |
| 47. |
JSON supports? |
| A. | Objects |
| B. | Arrays |
| C. | Primitives |
| D. | All of the above |
| Answer» E. | |
| 48. |
JSON is used for communication between javascript and serverside technologies. |
| A. | TRUE |
| B. | FALSE |
| C. | Can be true or false |
| D. | Can not say |
| Answer» B. FALSE | |
| 49. |
JSON stands for? |
| A. | Java Object Notation |
| B. | Google Object Notation |
| C. | JavaScript Object Notation |
| D. | Jenkins Object Notation |
| Answer» D. Jenkins Object Notation | |
| 50. |
Gson performs the _____________ of objects using its inbuilt adapters |
| A. | serialization |
| B. | deserialization |
| C. | serialization or deserialization |
| D. | None of the above |
| E. | |
| Answer» D. None of the above | |