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MCQs

Total Questions : 66 | Page 1 of 7 pages
Question 1. To run a compiled Java program, the machine must have what loaded and running?
  1.    A Web browser
  2.    Java compiler
  3.    Java virtual machine
  4.    Java bytecode
 Discuss Question
Answer: Option C. -> Java virtual machine
Question 2. How many JDBC driver types does Sun define?
  1.    Two
  2.    Three
  3.    Four
  4.    One
 Discuss Question
Answer: Option C. -> Four
Question 3. Where is metadata stored in MySQL?
  1.    In the MySQL database metadata
  2.    In the MySQL database metasql
  3.    None of these
  4.    In the MySQL database mysql
 Discuss Question
Answer: Option D. -> In the MySQL database mysql
Question 4. Who invented Java?
  1.    Sun
  2.    None of these
  3.    Microsoft
  4.    Netscape
 Discuss Question
Answer: Option A. -> Sun
Question 5. Which JDBC driver Type(s) can be used in either applet or servlet code?
  1.    Both Type 3 and Type 4
  2.    Both Type 1 and Type 2
  3.    Both Type 1 and Type 3
  4.    Type 4 only
 Discuss Question
Answer: Option A. -> Both Type 3 and Type 4
Question 6. ________ is an open source DBMS product that runs on UNIX, Linux and Windows.
  1.    Sun ACCESS
  2.    JDBC/SQL
  3.    JSP/SQL
  4.    MySQL
 Discuss Question
Answer: Option D. -> MySQL
Question 7. What is not true of a Java bean?
  1.    There are no public instance variables.
  2.    All of these
  3.    It may have many constructors as necessary.
  4.    All persistent values are accessed using getxxx and setxxx methods.
 Discuss Question
Answer: Option C. -> It may have many constructors as necessary.
Question 8. A JSP is transformed into a(n):
  1.    Java applet.
  2.    Either 1 or 2 above.
  3.    Java servlet.
  4.    Neither 1 nor 2 above.
 Discuss Question
Answer: Option C. -> Java servlet.
Question 9. What MySQL property is used to create a surrogate key in MySQL?
  1.    UNIQUE
  2.    None of these
  3.    SEQUENCE
  4.    AUTO_INCREMENT
 Discuss Question
Answer: Option D. -> AUTO_INCREMENT
Question 10. What is sent to the user via HTTP, invoked using the HTTP protocol on the user's computer, and run on the user's computer as an application?
  1.    A Java applet
  2.    A Java application
  3.    None of these
  4.    A Java servlet
 Discuss Question
Answer: Option A. -> A Java applet

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