Questões - Modular Deployment

Question 1

What is pluggability?

Accepted Answer

The ability to build modular components which can be easily reused in applications.

Answer

The ability to build modular components which cannot be easily reused in applications.

Answer

Create components such that the Application Assembler combines it all together.

Answer

None of the options.

Question 2

State whether true or false:
" <servlet-name> is mandatory in a deployment descriptor but it is an opcional element in the @WebServlet annotation.

Answer

true

Question 3

Consider this code:

@WebServlet(
urlPatterns={"/whizlabs.do"},
value={"/newservlet"}
)

What is wrong with this code?

Accepted Answer

"urlPatterns" and "value" should not be used together in @WebServlet annotation.

Answer

Nothing is wrong with this code.

Answer

"urlPattern" should only be used with "description".

Answer

"value" should only be used with "asyncSupported".

Question 4

What are the two requirements for the web fragments to be found by the container?
Select two options.

Accepted Answer

The JAR should be deployed to /WEB-INF/lib directory of the web application.

Accepted Answer

The fragment must be placed in it's own JAR file inside the META-INF/web-fragment.xml file.

Answer

The fragment must be placed in it's own JAR file but outside the META-INF/web-fragment.xml file.

Answer

The JAR should be deployed to /WEB-INF/ directory of the web application

Question 5

If both, the deployment descriptor and annotations are present in a web application, which takes precedence?

Accepted Answer

Deployment Descriptor.

Answer

Annotations.

Fragen in diesem Quiz (5)