0

programming languages Online Quiz - 243

Description: programming languages Online Quiz - 243
Number of Questions: 20
Created by:
Tags: programming languages
Attempted 0/20 Correct 0 Score 0

Which of the following files is the correct name and location of deployment descriptor of a web application. Assume that the web application is rooted at \doc-root. Select the one correct answer

  1. \doc-root\dd.xml

  2. \doc-root\web.xml

  3. \doc-root\WEB-INF\web.xml

  4. \doc-root\WEB_INF\dd.xml


Correct Option: C
  1. Checks for errors

  2. Schedules the job

  3. Manages the output processing of the job.

  4. All the above

  5. None of the above


Correct Option: D

Which of these is true about deployment descriptors. Select the one correct answer.

  1. The order of elements in deployment descriptor is not important. The elements can follow any order.

  2. The elements of deployment descriptor are case insensitive.

  3. The servlet-mapping element, if defined, must be included within the servlet element.

  4. The web-app element must include the servlet element.


Correct Option: A

AI Explanation

To answer this question, let's go through each option to understand why it is correct or incorrect:

Option A) The order of elements in the deployment descriptor is not important. The elements can follow any order. - This option is correct. In a deployment descriptor, such as the web.xml file used in Java web applications, the order of elements is not important. The elements can be placed in any order within the descriptor.

Option B) The elements of the deployment descriptor are case insensitive. - This option is incorrect. The elements in the deployment descriptor are case sensitive. The exact casing, including uppercase and lowercase letters, must be used when defining the elements.

Option C) The servlet-mapping element, if defined, must be included within the servlet element. - This option is incorrect. The servlet-mapping element is defined separately from the servlet element in the deployment descriptor. It is used to map a servlet to a URL pattern.

Option D) The web-app element must include the servlet element. - This option is incorrect. The web-app element is the root element of the deployment descriptor and does not necessarily have to include the servlet element. The servlet element is used to define a servlet within the web-app element, but it is not mandatory.

The correct answer is A) The order of elements in the deployment descriptor is not important. The elements can follow any order. This option is correct because the order of elements in the deployment descriptor is indeed not important, and they can be placed in any order within the descriptor.

The exception-type element specifies an exception type and is used to handle exceptions generated from a servlet. Which element of the deployment descriptor includes the exception-type as a sub-element. Select the one correct answer.

  1. error-page

  2. servlet

  3. exception

  4. error-handling


Correct Option: A

What is the Normal DISP position for temporary files?

  1. OLD

  2. PASS

  3. MOD

  4. SHR


Correct Option: B
  1. mypackage.MyException /error.jsp

  2. mypackage.MyException /error.jsp

  3. mypackage.MyException /error.jsp

  4. mypackage.MyException


Correct Option: B

Which element of the deployment descriptor of a web application includes the welcome-file-list element as a subelement. Select the one correct answer.

  1. web-app

  2. welcome-file

  3. servlet

  4. file-list


Correct Option: A

Which of these are the correct fragment within the web-app element of deployment descriptor. Select the two correct answer.

  1. 404 /error.jsp

  2. mypackage.MyException 404 /error.jsp

  3. mypackage.MyException 404

  4. mypackage.MyException /error.jsp


Correct Option: A,D

Which of these is a correct example of specifying a listener element resented by MyClass class. Assume myServlet element is defined correctly. Select the one correct answer.

  1. MyClass

  2. MyClass

  3. aListener MyClass

  4. myServlet MyClass


Correct Option: B
  1. 3

  2. Anywhere between 5 to 17

  3. Anywhere between 4 to 16

  4. Anywhere between 1 to 17

  5. No constraints


Correct Option: C

With in a context-param element of deployment descriptor, which of the following element is required?

  1. param-name

  2. name

  3. init-param

  4. servlet-name


Correct Option: A

If the condition in the COND parameter satisfies what will happen?

  1. Step will not execute

  2. Step will abend

  3. Step will execute

  4. S0C7


Correct Option: A

What gets printed when the following expression is evaluated? Select the one correct answer. ${(1==2) ? 4 : 5}

  1. 1

  2. 2

  3. 4

  4. 5


Correct Option: D

What gets printed when the following expression is evaluated? Select the one correct answer. ${4 div 5}

  1. 0

  2. 0.8

  3. 1

  4. -1


Correct Option: B

What gets printed when the following expression is evaluated? Select the one correct answer. ${12 % 4}

  1. 0

  2. 3

  3. 8

  4. 16


Correct Option: A

What is the effect of executing the following JSP statement, assuming a class with name Employee exists in classes package.

  1. The code does not compile as there is no property attribute of setProperty tag.

  2. The code does not compile as property attribute cannot take * as a value.

  3. The code sets value of all properties of employee bean to "*".

  4. The code sets the values of all properties of employee bean to matrching parameters in request object.


Correct Option: D
- Hide questions