JAVA Networking Set 2

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This set of Advanced JAVA Multiple Choice Questions & Answers (MCQs) focuses on JAVA Networking Set 2

Q1 | JDBC is a Java API that is used to connect and execute query to the database
  • True
  • False
  • none
  • all
Answer: True
Q2 | In the following JDBC drivers which is known as fully java driver?
  • Native-API driver
  • Network Protocol driver
  • Thin driver
  • Both B & C
Answer: Both B & C
Q3 | Which JDBC drivers will run your program?
  • The JDBC-ODBC bridge
  • The JDBC driver manager
  • The JDBC driver test suite
  • None of the above
Answer: The JDBC driver test suite
Q4 | What is the reason that a java program cannot directly communicate with an ODBCdriver?
  • ODBC written in C# language
  • ODBC written in C language
  • ODBC written in C++ language
  • None of the above
Answer: ODBC written in C language
Q5 | A leading database connectivity vendor, worked together to produce the ____.
  • JDBC-ODBC Bridge
  • JDBC Driver Test Suite
  • Both A & B
  • None of the above
Answer: Both A & B
Q6 | Which driver converts JDBC calls directly into the vendor-specific database protocol?
  • Native - API driver
  • Network Protocol driver
  • Thin driver
  • Both B & C
Answer: Thin driver
Q7 | Which models do the JDBC API support for the database access?
  • Two-tier models
  • Three-tier models
  • Both A & B
  • None of the above
Answer: Both A & B
Q8 | Which of the following JDBC drivers is known as a partially java driver?
  • JDBC-ODBC bridge driver
  • Native-API driver
  • Network Protocol driver
  • Thin driver
Answer: Native-API driver
Q9 | The JDBC API is what allows access to a data source from a Java middle tier
  • True
  • False
  • none
  • all
Answer: True
Q10 | Which driver uses ODBC driver to connect to the database?
  • JDBC-ODBC bridge driver
  • Native - API driver
  • Network Protocol driver
  • Thin driver
Answer: JDBC-ODBC bridge driver
Q11 | How many JDBC product components does the Java software provides?
  • 3
  • 2
  • 4
  • 5
Answer: 3
Q12 | How many types of JDBC drivers are available?
  • 3
  • 4
  • 2
  • 5
Answer: 4
Q13 | Which method is used for an SQL statement that is executed frequently?
  • prepareStatement
  • prepareCall
  • createStatement
  • None of the above
Answer: prepareStatement
Q14 | How is the dynamic interception of requests and responses to transform the informationdone?
  • servlet container
  • servlet config
  • servlet context
  • servlet filter
Answer: servlet filter
Q15 | Which type of ServletEngine is a server that includes built-in support for servlets?
  • Add-on ServletEngin
  • Embedded ServletEngine
  • Standalone ServletEngine
  • None of the above
Answer: Standalone ServletEngine
Q16 | What type of servlets use these methods doGet(), doPost(),doHead, doDelete(),doTrace()?
  • Genereic Servlets
  • HttpServlets
  • All of the above
  • None of the above
Answer: HttpServlets
Q17 | Which cookie it is valid for single session only and it is removed each time when the usercloses the browser?
  • Persistent cookie
  • Non-persistent cookie
  • All the above
  • None of the above
Answer: Non-persistent cookie
Q18 | Sessions is a part of the SessionTracking and it is for maintaining the client state at serverside.
  • True
  • False
  • none
  • all
Answer: True
Q19 | When destroy() method of a filter is called?
  • The destroy() method is called only once at the end of the life cycle of a filter
  • The destroy() method is called after the filter has executed doFilter method
  • The destroy() method is called only once at the begining of the life cycle of a filter
  • The destroyer() method is called after the filter has executed
Answer: The destroy() method is called only once at the end of the life cycle of a filter
Q20 | Web server is used for loading the init() method of servlet.
  • True
  • False
  • none
  • all
Answer: True
Q21 | Servlets handle multiple simultaneous requests by using threads.
  • True
  • False
  • none
  • all
Answer: True
Q22 | Which method is used to send the same request and response objects to another servlet inRequestDispacher ?
  • forward()
  • sendRedirect()
  • Both A & B
  • None of the above
Answer: forward()
Q23 | The sendRedirect() method of HttpServletResponse interface can be used to redirectresponse to another resource, it may be servlet, jsp or html file
  • True
  • False
  • none
  • all
Answer: True
Q24 | Which packages represent interfaces and classes for servlet API?
  • javax.servlet
  • javax.servlet.http
  • Both A & B
  • None of the above
Answer: Both A & B
Q25 | Which class can handle any type of request so that it is protocol-independent?
  • GenericServlet
  • HttpServle
  • Both A & B
  • None of the above
Answer: GenericServlet
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