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programming languages Online Quiz - 51

Description: programming languages Online Quiz - 51
Number of Questions: 20
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Tags: programming languages
Attempted 0/20 Correct 0 Score 0
  1. A. The prefix defines the name of the tag that may be used for a tag library

  2. B. The prefix attribute defines the location of the tag library descriptor file.

  3. C. The prefix attribute should refer to the short name attribute of the tag library file that is defined by the uri attribute of taglib directive.

  4. D. The prefix attribute is used in front of a tagname of a tag defined within the tag library.


Correct Option: D
  1. The included file must have jspf extension

  2. The XML syntax of include directive in .

  3. The content of file included using include directive, cannot refer to variables local to the original page

  4. When using the include directive, the JSP container treats the file to be included as if it was part of the original file.


Correct Option: D
  1. A. A status of 200 to 299 signifies that the request was successful

  2. B. A status of 300 to 399 are informational messages

  3. C. A status of 400 to 499 indicates an error in the server.

  4. D. A status of 500 to 599 indicates an error in the client.


Correct Option: A

Which of the following are correct statements? Select the two correct answers.

  1. A. The getRequestDispatcher method of ServletContext class takes the full path of the servlet, whereas the getRequestDispatcher method of HttpServletRequest class takes the path of the servlet relative to the ServletContext.

  2. B. The include method defined in the RequestDispatcher class can be used to access one servlet from another. But it can be invoked only if no output has been sent to the server.

  3. C. The getRequestDispatcher(String URL) is defined in both ServletContext and HttpServletRequest method

  4. D. The getNamedDispatcher(String) defined in HttpServletRequest class takes the name of the servlet and returns an object of RequestDispatcher class.


Correct Option: A,C

Truncate is a Data Definition Language.

  1. True

  2. False


Correct Option: A

What is returned from the query SELECT NVL2(NULL,'V1','V2') from DUAL;

  1. V1

  2. NULL

  3. V2

  4. None


Correct Option: C

COUNT will consider NULL values in the column while counting.

  1. True

  2. False


Correct Option: B

ROWNUM is the physical address of the row.

  1. True

  2. False


Correct Option: B

GRANT and REVOKE are part of

  1. DDL

  2. DML

  3. DCL

  4. None


Correct Option: C

What is the result of the query SELECT add_months('15-Jan-2011',-2) from DUAL ?

  1. 15-Dec-2010

  2. 15-Nov-2010

  3. 15-Mar-2011

  4. 15-Nov-2011


Correct Option: B

What is the result of the query SELECT FLOOR(-4.6)+CEIL(3.9) from DUAL ?

  1. -2

  2. 0

  3. 1

  4. -1


Correct Option: D

How many comparisons can be written in a CASE statement ?

  1. 127

  2. 255

  3. 63

  4. 511


Correct Option: B

Which is the Defualt Index ?

  1. BITMAP

  2. B-TREE

  3. FUNCTION BASED

  4. None


Correct Option: B
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