McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Master of Science in Information Technology (MSc IT) , Master of Science in Computer Science (MSc CS) , Bachelor of Business Administration in Computer Applications (BBA [CA]) , Programming Languages , Master of Science in Software Engineering (MSc SE) .
Chapters
| 101. |
Attribute used to handle web flow requests. |
| A. | servlet-mapping |
| B. | servlet-attr |
| C. | servlet-flow |
| D. | servlet-requests |
| Answer» A. servlet-mapping | |
| 102. |
To resolve Facelets views we configure: |
| A. | ViewFacelets |
| B. | ViewResolver |
| C. | View-resolver |
| D. | View_Resolver |
| Answer» B. ViewResolver | |
| 103. |
File extension of a view state’s name which is by default loaded by facelet page. |
| A. | .xml |
| B. | .hbm.xml |
| C. | .xhtml |
| D. | none of the mentioned |
| Answer» C. .xhtml | |
| 104. |
Navigation in traditional JSF applications is handled by: |
| A. | linking directly linking to a resource |
| B. | commandLink |
| C. | invoking an action |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| 105. |
For cross field validation or some sort of barrier to ensure state before you start a flow, we use. |
| A. | FacesContext |
| B. | FaceletContext |
| C. | FacesResolver |
| D. | All of the mentioned |
| Answer» A. FacesContext | |
| 106. |
Component which additionally provides a pop-up date picker control for its enclosed input field. |
| A. | clientDateValidator |
| B. | clientValidator |
| C. | dateValidator |
| D. | validator |
| Answer» A. clientDateValidator | |
| 107. |
Component which encloses command button. |
| A. | validateAll |
| B. | validateAllClick |
| C. | validateAllInClick |
| D. | validateAllOnClick |
| Answer» C. validateAllInClick | |
| 108. |
Which of the following is not a core interface of Hibernate? |
| A. | Configuration |
| B. | Criteria |
| C. | SessionManagement |
| D. | Session |
| Answer» C. SessionManagement | |
| 109. |
Which of the following is not a core component of Hibernate? |
| A. | JDBC |
| B. | SessionFactory |
| C. | Session |
| D. | Configuration |
| Answer» A. JDBC | |
| 110. |
Is Session a thread-safe object? |
| A. | True |
| B. | False |
| C. | none |
| D. | all |
| Answer» B. False | |
| 111. |
SessionFactory is a thread-safe object. |
| A. | True |
| B. | False |
| C. | none |
| D. | all |
| Answer» A. True | |
| 112. |
Which of the following methods returns proxy object? |
| A. | loadDatabase() |
| B. | getDatabase() |
| C. | load() |
| D. | get() |
| Answer» C. load() | |
| 113. |
Which of the following methods hits database always? |
| A. | load() |
| B. | loadDatabase() |
| C. | getDatabase() |
| D. | get() |
| Answer» D. get() | |
| 114. |
Which of the following method is used inside session only? |
| A. | merge() |
| B. | update() |
| C. | end() |
| D. | kill() |
| Answer» B. update() | |
| 115. |
The SessionFactory is heavyweight object. |
| A. | False |
| B. | True |
| C. | none |
| D. | all |
| Answer» B. True | |
| 116. |
Which of the following is not a state of object in Hibernate? |
| A. | Attached() |
| B. | Detached() |
| C. | Persistent() |
| D. | Transient() |
| Answer» A. Attached() | |
| 117. |
Which of the following is true about HQL? |
| A. | HQL takes java objects in the same way as SQL takes tables. |
| B. | HQL is a Object Oriented Query language |
| C. | HQL is database independent. |
| D. | All of the above. |
| Answer» D. All of the above. | |
| 118. |
Which of the following is not an inheritance mapping strategies? |
| A. | Table per hierarchy |
| B. | Table per concrete class |
| C. | Table per subclass |
| D. | Table per class |
| Answer» D. Table per class | |
| 119. |
Which of the following is not an advantage of using Hibernate Query Language? |
| A. | Database independent |
| B. | Easy to write query |
| C. | No need to learn SQL |
| D. | Difficult to implement |
| Answer» D. Difficult to implement | |
| 120. |
In which file database table configuration is stored? |
| A. | .dbm |
| B. | .hbm |
| C. | .ora |
| D. | .sql |
| Answer» B. .hbm | |
| 121. |
Which of the following is not an advantage of Hibernate Criteria API? |
| A. | Allows to use aggregate functions |
| B. | Cannot order the result set |
| C. | Allows to fetch only selected columns of result |
| D. | Can add conditions while fetching results |
| Answer» B. Cannot order the result set | |
| 122. |
What is the basic concept of Spring? |
| A. | Factory pattern |
| B. | Singleton pattern |
| C. | Dependency injection or Inversion of control |
| D. | Abstract factory pattern |
| Answer» C. Dependency injection or Inversion of control | |
| 123. |
Which spring module provides the capability of DI or IOC? |
| A. | Spring web |
| B. | Core container |
| C. | AOP |
| D. | Data access |
| Answer» B. Core container | |
| 124. |
What are beans in the concept of Spring or what are spring beans? |
| A. | Controller classes |
| B. | Service classes |
| C. | Repository |
| D. | Any class that is managed by the container. |
| Answer» D. Any class that is managed by the container. | |
| 125. |
How does spring achieve DI or IOC? |
| A. | Service locator pattern |
| B. | Factory pattern |
| C. | Abstract factory pattern |
| D. | Singleton pattern |
| Answer» A. Service locator pattern | |
| 126. |
Which interface in spring is responsible for Instantiating and managing the so called Spring beans? |
| A. | Bean Factory |
| B. | ApplicationContext |
| C. | BeanDefenition |
| D. | BeanDefenition |
| Answer» B. ApplicationContext | |
| 127. |
Beans can be created by which of the following properties? |
| A. | Scope |
| B. | Property |
| C. | Class |
| D. | It’s own constructor |
| Answer» D. It’s own constructor | |
| 128. |
Which attribute is used to specify class name of the bean? |
| A. | name |
| B. | id |
| C. | class |
| D. | constructor-args |
| Answer» C. class | |
| 129. |
Which of the following method can be used to used to instantiate a method? |
| A. | static factory method |
| B. | default-init method |
| C. | destroy method |
| D. | lazy-init method |
| Answer» A. static factory method | |
| 130. |
Which attribute is used to specify static factory-method? |
| A. | factory-method |
| B. | default-init method |
| C. | destroy method |
| D. | lazy-init method |
| Answer» A. factory-method | |
| 131. |
Purpose of Static Factory Method? |
| A. | Static method to create an object |
| B. | Initialize bean |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» A. Static method to create an object | |
| 132. |
Which of the following contains both date and time? |
| A. | java.io.date |
| B. | java.sql.date |
| C. | java.util.date |
| D. | java.util.datetime |
| Answer» D. java.util.datetime | |
| 133. |
Which of the following is advantage of using JDBC connection pool? |
| A. | slow performance |
| B. | using more memory |
| C. | using less memory |
| D. | better performance |
| Answer» D. better performance | |
| 134. |
Which of the following is advantage of using PreparedStatement in Java? |
| A. | slow performance |
| B. | encourages sql injection |
| C. | prevents sql injection |
| D. | more memory usage |
| Answer» C. prevents sql injection | |
| 135. |
Which one of the following contains date information? |
| A. | java.sql.timestamp |
| B. | java.sql.time |
| C. | java.io.time |
| D. | java.io.timestamp |
| Answer» A. java.sql.timestamp | |
| 136. |
What does setAutoCommit(false) do? |
| A. | commits transweraction after each query |
| B. | explicitly commits transweraction |
| C. | does not commit transweraction automatically after each query |
| D. | never commits transweraction |
| Answer» C. does not commit transweraction automatically after each query | |
| 137. |
Which of the following is used to call stored procedure? |
| A. | statement |
| B. | preparedstatement |
| C. | callablestatment |
| D. | calledstatement |
| Answer» C. callablestatment | |
| 138. |
Which of the following is method of JDBC batch process? |
| A. | setbatch() |
| B. | deletebatch() |
| C. | removebatch() |
| D. | addbatch() |
| Answer» D. addbatch() | |
| 139. |
Which of the following is used to rollback a JDBC trAnsweraction? |
| A. | rollback() |
| B. | rollforward() |
| C. | deletetransweraction() |
| D. | removetransweraction() |
| Answer» A. rollback() | |
| 140. |
Which driver uses ODBC driver to connect to the database? |
| A. | jdbc-odbc bridge driver |
| B. | native - api driver |
| C. | network protocol driver |
| D. | thin driver |
| Answer» A. jdbc-odbc bridge driver | |
| 141. |
How many JDBC product components does the Java software provides? |
| A. | 3 |
| B. | 2 |
| C. | 4 |
| D. | 5 |
| Answer» A. 3 | |
| 142. |
How many types of JDBC drivers are available? |
| A. | 3 |
| B. | 4 |
| C. | 2 |
| D. | 5 |
| Answer» B. 4 | |
| 143. |
Which result set generally does not show changes to the underlying database
|
| A. | type_forward_only |
| B. | type_scroll_insensitive |
| C. | type_scroll_sensitive |
| D. | all mentioned above |
| Answer» B. type_scroll_insensitive | |
| 144. |
Which method is used for an SQL statement that is executed frequently? |
| A. | prepare statement |
| B. | prepare call |
| C. | create statement |
| D. | none of the above |
| Answer» A. prepare statement | |
| 145. |
What is used to execute parameterized query? |
| A. | statement interface |
| B. | preparedstatement interface |
| C. | resultset interface |
| D. | none of the above |
| Answer» B. preparedstatement interface | |
| 146. |
Which JDBC product components does the Java software provide? |
| A. | the jdbc driver manager |
| B. | the jdbc driver test suite |
| C. | the jdbc-odbc bridge |
| D. | all mentioned above |
| Answer» D. all mentioned above | |
| 147. |
JDBC stands for? |
| A. | java database connectivity |
| B. | java database concept |
| C. | java database communications |
| D. | none of the above |
| Answer» A. java database connectivity | |
| 148. |
Which of the following allows non repeatable read in JDBC Connection? |
| A. | transweraction_read_uncommitted |
| B. | transweraction_read_committed |
| C. | transweraction_serializable |
| D. | transweraction_repeatable_read |
| Answer» D. transweraction_repeatable_read | |
| 149. |
Which of the following statements is false as far as different type of statements is concern in JDBC? |
| A. | regular statement |
| B. | prepared statement |
| C. | callable statement |
| D. | interim statement |
| Answer» D. interim statement | |
| 150. |
Which of the following methods are needed for loading a database driver in JDBC? |
| A. | registerdriver() method |
| B. | class.forname() |
| C. | both a and b |
| D. | getconnection() |
| Answer» C. both a and b | |
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