McqMate
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 | |
| 151. |
Which of the following is false as far as type 4 driver is concern? |
| A. | type 4 driver is “native protocol, pure java” driver |
| B. | type 4 drivers are 100% java compatible |
| C. | type 4 drivers uses socket class to connect to the database |
| D. | type 4 drivers can not be used with netscape |
| Answer» D. type 4 drivers can not be used with netscape | |
| 152. |
Which driver is efficient and always preferable for using JDBC applications? |
| A. | type – 4 |
| B. | type – 1 |
| C. | type – 3 |
| D. | type – 2 |
| Answer» A. type – 4 | |
| 153. |
JDBC facilitates to store the java objects by using which of the methods of
|
| A. | 1, 2 |
| B. | 1,2,3 |
| C. | 1,3 |
| D. | 2,3 |
| Answer» B. 1,2,3 | |
| 154. |
The JDBC-ODBC bridge is |
| A. | three tiered |
| B. | multithreaded |
| C. | best for any platform |
| D. | all of the above |
| Answer» B. multithreaded | |
| 155. |
All raw data types (including binary documents or images) should be read and uploaded to the database as an array of |
| A. | byte |
| B. | int |
| C. | boolean |
| D. | char |
| Answer» A. byte | |
| 156. |
The class javA)sql.Timestamp has its super class as |
| A. | java)sql.time |
| B. | java)util.date |
| C. | java)util.time |
| D. | none of the above |
| Answer» B. java)util.date | |
| 157. |
BLOB, CLOB, ARRAY and REF type columns can be updated in |
| A. | jdbc 1.0 |
| B. | jdbc 4.0 |
| C. | jdbc 2.0 |
| D. | jdbc 3.0 |
| Answer» D. jdbc 3.0 | |
| 158. |
Which of the following methods finds the maximum number of connections that a specific driver can obtain? |
| A. | database.getmaxconnections |
| B. | connection.getmaxconnections |
| C. | databasemetadata)getmaxconnections |
| D. | resultsetmetadata)getmaxconnections |
| Answer» C. databasemetadata)getmaxconnections | |
| 159. |
When the message “No Suitable Driver” occurs? |
| A. | when the driver is not registered by class.forname() method |
| B. | when the user name, password and the database does not match |
| C. | when the jdbc database url passed is not constructed properly |
| D. | when the type 4 driver is used |
| Answer» C. when the jdbc database url passed is not constructed properly | |
| 160. |
Which driver is called as thin-driver in JDBC? |
| A. | type-4 driver |
| B. | type-1 driver |
| C. | type-3 driver |
| D. | type-2 driver |
| Answer» A. type-4 driver | |
| 161. |
How many trAnsweraction isolation levels are defined in javA)sql.Connection interface? |
| A. | 4 |
| B. | 3 |
| C. | 5 |
| D. | 2 |
| Answer» C. 5 | |
| 162. |
Which method is used to perform DML statements in JDBC? |
| A. | execute() |
| B. | executequery() |
| C. | executeupdate() |
| D. | executeresult() |
| Answer» C. executeupdate() | |
| 163. |
What is the disadvantage of Type-4 Native-Protocol Driver? |
| A. | at client side, a separate driver is needed for each database. |
| B. | type-4 driver is entirely written in java |
| C. | the driver converts jdbc calls into vendor-specific database protocol |
| D. | it does not support to read mysql data) |
| Answer» A. at client side, a separate driver is needed for each database. | |
| 164. |
TCP,FTP,Telnet,SMTP are example of? |
| A. | socket |
| B. | ip address |
| C. | protocol |
| D. | mac address |
| Answer» C. protocol | |
| 165. |
In Inetaddress class which method returns the host name of IP address? |
| A. | public string gethostname() |
| B. | public string gethostaddress() |
| C. | public string inetaddress getlocalhost() |
| D. | none |
| Answer» A. public string gethostname() | |
| 166. |
Show some networking terminology given below? |
| A. | all |
| B. | ip address |
| C. | protocol |
| D. | mac address |
| Answer» A. all | |
| 167. |
Which classes are used for connection less socket programming? |
| A. | datagram socket |
| B. | datagram packet |
| C. | both a and b |
| D. | none |
| Answer» C. both a and b | |
| 168. |
how many ports TCP/IP are reserved for specific protocol? |
| A. | 10 |
| B. | 1024 |
| C. | 2048 |
| D. | 512 |
| Answer» B. 1024 | |
| 169. |
how many bits are in a single IP address? |
| A. | 8 |
| B. | 16 |
| C. | 32 |
| D. | 64 |
| Answer» C. 32 | |
| 170. |
Which of these class is used to encapsulate IP address and DNS? |
| A. | datagram packet |
| B. | url |
| C. | inetaddress |
| D. | contenthandler |
| Answer» C. inetaddress | |
| 171. |
Which of these is return type of getAddress method of DatagramPacket class? |
| A. | findaddress() |
| B. | getaddress() |
| C. | address() |
| D. | whois() |
| Answer» B. getaddress() | |
| 172. |
Which of these method of DatagramPacket is used to find port number? |
| A. | port() |
| B. | getport() |
| C. | findport() |
| D. | receivedport() |
| Answer» A. port() | |
| 173. |
Which of these class is necessary to implement datagrams? |
| A. | datagrampacket |
| B. | datagramsocket |
| C. | all of the mentioned |
| D. | none of the mentioned |
| Answer» C. all of the mentioned | |
| 174. |
Which of these method of DatagramPacket is used to find the port number? |
| A. | port() |
| B. | getport() |
| C. | findport() |
| D. | recieveport() |
| Answer» A. port() | |
| 175. |
Which of these method of DatagramPacket is used to obtain the byte array of data contained in a datagram? |
| A. | getdata() |
| B. | getbytes() |
| C. | getarray() |
| D. | recievebytes() |
| Answer» A. getdata() | |
| 176. |
Which of these method of DatagramPacket is used to find the length of byte array? |
| A. | getnumber() |
| B. | length() |
| C. | length() |
| D. | getlength() |
| Answer» D. getlength() | |
| 177. |
Which of these method is used to start a server thread? |
| A. | run() |
| B. | start() |
| C. | runthread() |
| D. | startthread() |
| Answer» A. run() | |
| 178. |
Which of these method is called when http daemon is acting like a normal web server? |
| A. | handle() |
| B. | handleget() |
| C. | handleget() |
| D. | handleget() |
| Answer» C. handleget() | |
| 179. |
Which of these methods of httpd class is used to read data from the stream? |
| A. | getdta() |
| B. | getresponse() |
| C. | getstream() |
| D. | getrawrequest() |
| Answer» D. getrawrequest() | |
| 180. |
Which of these method of httpd class is used to get report on each hit to HTTP server? |
| A. | log() |
| B. | logentry() |
| C. | loghttpd() |
| D. | logresponse() |
| Answer» B. logentry() | |
| 181. |
Which of these method is used to find a URL from the cache of httpd? |
| A. | findfromcache() |
| B. | findfromcache() |
| C. | servefromcache() |
| D. | getfromcache() |
| Answer» C. servefromcache() | |
| 182. |
Which of these variables stores the number of hits that are successfully served out of cache? |
| A. | hits |
| B. | hitstocache |
| C. | hits_to_cache |
| D. | hits.to.cache |
| Answer» D. hits.to.cache | |
| 183. |
Which of these method of httpd class is used to write UrlCacheEntry object into local disk? |
| A. | writediskcache() |
| B. | writetodisk() |
| C. | writecache() |
| D. | writediskentry() |
| Answer» A. writediskcache() | |
| 184. |
Which of these is an instance variable of class httpd? |
| A. | port |
| B. | cache |
| C. | log |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| 185. |
Which of these is an instance variable of httpd that is a Hashtable? |
| A. | port |
| B. | cache |
| C. | log |
| D. | stopflag |
| Answer» C. log | |
| 186. |
Which of these exception is thrown by URL class’s constructors? |
| A. | urlnotfound |
| B. | urlsourcenotfound |
| C. | malformedurlexception |
| D. | urlnotfoundexception |
| Answer» C. malformedurlexception | |
| 187. |
Which of these methods is used to know host of an URL? |
| A. | host() |
| B. | gethost() |
| C. | gethost() |
| D. | gethost() |
| Answer» B. gethost() | |
| 188. |
Which of these methods is used to know the full URL of an URL object? |
| A. | fullhost() |
| B. | gethost() |
| C. | externalform() |
| D. | toexternalform() |
| Answer» D. toexternalform() | |
| 189. |
Which of these class is used to access actual bits or content information of a URL? |
| A. | url |
| B. | urldecoder |
| C. | urlconnection |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| 190. |
Which object of HttpSession can be used to view and manipulate information about a session? |
| A. | session identifier |
| B. | creation time |
| C. | last accessed time |
| D. | all mentioned above |
| Answer» D. all mentioned above | |
| 191. |
Which of these ways used to communicate from an applet to servlet? |
| A. | rmi communication |
| B. | http communication |
| C. | socket communication |
| D. | all mentioned above |
| Answer» D. all mentioned above | |
| 192. |
Which methods are used to bind the objects on HttpSession instance andget the objects? |
| A. | setattribute |
| B. | getattribute |
| C. | both a & b |
| D. | none of the above |
| Answer» C. both a & b | |
| 193. |
Which type of ServletEngine is a server that includes built-in support for servlets? |
| A. | add-on servletengine |
| B. | embedded servletengine |
| C. | standalone servletengine |
| D. | none of the above |
| Answer» C. standalone servletengine | |
| 194. |
What type of servlets use these methods doGet(), doPost(),doHead, doDelete(), doTrace()? |
| A. | genereic servlets |
| B. | httpservlets |
| C. | all of the above |
| D. | none of the above |
| Answer» B. httpservlets | |
| 195. |
Which cookie it is valid for single session only and it is removed each time when the user closes the browser? |
| A. | persistent cookie |
| B. | non-persistent cookie |
| C. | all the above |
| D. | none of the above |
| Answer» B. non-persistent cookie | |
| 196. |
Which action tags are used in JSP for developing web application with Java Bean? |
| A. | jsp:usebean |
| B. | jsp:setproperty |
| C. | jsp:getproperty |
| D. | both b & c |
| Answer» D. both b & c | |
| 197. |
Which technology do we mix our business logic with the presentation logic? |
| A. | servlet |
| B. | jsp |
| C. | both a & b |
| D. | none of the above |
| Answer» A. servlet | |
| 198. |
Which tag is used to execute java source code in JSP? |
| A. | declaration tag |
| B. | scriptlet tag |
| C. | expression tag |
| D. | none of the above |
| Answer» B. scriptlet tag | |
| 199. |
Which JSP Action tags is used to include the content of another resource,it May be jsp, html or servlet? |
| A. | jsp:include |
| B. | jsp:forward |
| C. | jsp:plugin |
| D. | jsp:papam |
| Answer» A. jsp:include | |
| 200. |
In JSP how many ways are there to perform exception handling? |
| A. | 3 |
| B. | 2 |
| C. | 4 |
| D. | 5 |
| Answer» B. 2 | |
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