programming languages Online Quiz - 86

Description: programming languages Online Quiz - 86
Number of Questions: 20
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Tags: programming languages
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Referential integrity refers to what

  1. The enforced uniqueness of row in a table

  2. The enforced uniqueness of column in a table

  3. Ensuring that a foreign key attribute cannot be null

  4. The Enforced synchronization of primary key and foreign key values

Correct Option: D

Python can be easily integrated with which of the following?

  1. C,C++

  2. Active X,Java

  3. Dotnet

  4. Options 1 and 3

  5. Options 1 and 2

Correct Option: E

Which of the following is true about python?

  1. Fixing mistakes in programs is slow

  2. It does not have debugging features built-in

  3. Python in interpreted language can be tested as soon as it is wriiten,without waiting for its code to compile

  4. It doesn't provide interface to major Databases

  5. It has less text manipulation feature

Correct Option: C

What is the output? X=10 while X; X=X+1 if X%2 !=0:continue Print X

  1. 1 23 4 5

  2. 8 6 4 2 0

  3. 8 7 6 5 4

  4. 4 5 6 7 8

  5. 0 2 4 6 8

Correct Option: B

The important feature of python function?

  1. def

  2. lambda

  3. filter

  4. tokens

  5. Options 1,2 and 3

Correct Option: E

Companies that use Python?

  1. Yahoo

  2. HP

  3. Google

  4. Linux Weekly News

  5. Yahoo,Google and Linux Weekly News

Correct Option: E

HISTOGRAM Statement is uesd to read database field defined as

  1. Descriptor

  2. Super Descriptors

  3. Sub Descriptors

  4. Any Column

Correct Option: A,B,C

HISTOGRAM statement causes

  1. A processing loop to be initiated

  2. Provide access to any database fields

  3. Process the column values

  4. Returns the number of rows

Correct Option: A,D

Outcome of the result can be determined using the command

  1. *NUMBER

  2. *ISN


  4. *COUNT

  5. *REC

Correct Option: A,B,C

Starting and ending values may be specified using the keywords


  2. Cannot be Specifed

  3. THRU

  4. None of the above

Correct Option: A,C

Struts was first developed

  1. in an online exchange between several open source developers

  2. over a long holiday weekend

  3. as a commercial package

  4. None of the above

Correct Option: B

The reset method on an ActionForm

  1. Sets all properties to their initial value

  2. Sets all properties to null

  3. Repopulates all properties from the request parameters

  4. None of the above

Correct Option: D

Each Struts Action element is uniquely identified by its

  1. Input attribute

  2. Name attribute

  3. Page attribute

  4. Path attribute

Correct Option: D

The name of the Application Resources file is set by the servlet init-param named

  1. application

  2. resources

  3. ApplicationResources

  4. messages

Correct Option: A

The validating init-param of the ActionServlet is used to

  1. Bypass calls to the ActionForm validate method

  2. Bypass validation of the Struts configuration file

  3. Generate an error message if an unknown message key is used

  4. None

Correct Option: B

To specify an ActionMapping to use when a request doesn't match any other mapping, you can

  1. Use an asterisk for the path property

  2. Set the "default" property of the mapping to "true"

  3. Set the "unknown" property of the mapping to "true"

  4. Set the "missing" init-param of the ActionServlet to the mapping's path

Correct Option: C

If you have created a custom ActionMapping subclass with the property "service", you can initialize the value to "selectRecord" using

  1. None

Correct Option: B
  1. Overriding the populate method of the ActionForm

  2. Overriding the processPopulate method of the Request Processor

  3. Overriding the populateBean method of the ActionMapping

  4. None

Correct Option: B

The tag is:

  1. Always converts HTML markup to entity equivalents, like <

  2. Never converts HTML markup to entity equivalents

  3. Converts markup when filter=true

  4. Converts markup when markup=false

Correct Option: C

To prevent possible security issues with the tag, you should

  1. Call the reset method if validation fails

  2. Set the tag's redisplay property to false

  3. Set the tag's reset property to false

  4. Use a plain html tag instead

Correct Option: B
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