Oracle 1Z0-850 Online Practice Questions and Exam Preparation

Oracle 1Z0-850 Online Questions & Answers

• Question 61:

  Which is true?

  A. You must use JDBC to connect an RDBMS to a Java application.
  B. JDBC is designed to provide a bridge between servlets and EJB technology.
  C. Classes in the JDBC API include implementations of JDBC drivers.
  D. The JDBC API is located within the java.sql and javax.sql packages.
  D. The JDBC API is located within the java.sql and javax.sql packages.

• Question 62:

  Which two symbols are used to indicate the visibility of an attribute in UML? (Choose two.)

  B. +
  C. and
  D. $
  E. *
  B. +

• Question 63:

  Which two are provided by the JNDI API? (Choose two.)

  A. an application-level interface used by the application components to access naming services
  B. a framework for handling data in different MIME types, originating in different formats and locations
  C. a service-provider interface to attach providers of directory services
  D. an interface to query directory services using SQL
  A. an application-level interface used by the application components to access naming services
  C. a service-provider interface to attach providers of directory services

• Question 64:

  Which two are true? (Choose two.)

  A. SQL technology is used to access JMS queues from within EJB technology.
  B. SQL commands can be written in applications that use NO Java technologies.
  C. SQL allows you to modify multiple rows in a table with a single command.
  D. SQL is a web services technology used to parse large XML files.
  E. SQL commands cannot be contained in servlets.
  B. SQL commands can be written in applications that use NO Java technologies.
  C. SQL allows you to modify multiple rows in a table with a single command.

• Question 65:

  What is the correct name for J2EE?

  A. Java 2 Package, Enterprise Edition
  B. Java 2 Platform, Enterprise Environment
  C. Java 2 Package, Enterprise Environment
  D. Java 2 Platform, Enterprise Edition
  D. Java 2 Platform, Enterprise Edition

• Question 66:

  Click the Exhibit button.

  Which is true?

  

  A. Diagrams A and B are both valid, but have different meanings.
  B. Both diagrams are invalid.
  C. Diagrams A and B are equivalent.
  D. Only diagram A is valid.
  E. Only diagram B is valid.
  C. Diagrams A and B are equivalent.

• Question 67:

  Given: 1. public class Foo { 2. public static void main() { 3. System.out.println("Hello."); 4. } 5. } Which is true?

  A. The class Foo will run successfully when invoked with the command line:java Foo, but will produce no output.
  B. Compilation fails.
  C. An exception occurs at runtime when class Foo is invoked with the command line java Foo.
  D. The class Foo will run successfully when invoked with the command linejava Foo, and will print "Hello."
  C. An exception occurs at runtime when class Foo is invoked with the command line java Foo.

• Question 68:

  Which is true?

  A. JSP developers must learn Java programming to create JavaServer Pages.
  B. JavaServer Pages are translated into servlets before they are executed.
  C. JSP technology output is never displayed to clients.
  D. JSP is defined as JavaScript Pages.
  B. JavaServer Pages are translated into servlets before they are executed.

• Question 69:

  Which is true?

  A. Any J2ME application can be run on any J2ME device.
  B. Only a single J2ME configuration, CLDC, has been created.
  C. J2ME applications can run on mobile devices without a J2ME runtime environment.
  D. J2ME can be customized using profiles to add functionality to specific devices.
  D. J2ME can be customized using profiles to add functionality to specific devices.

• Question 70:

  Click the Exhibit button.

  Which two are true? (Choose two.)

  

  A. foo is an operation
  B. foo is an attribute
  C. foo is private
  D. foo is public
  B. foo is an attribute
  D. foo is public