Web Services MCQ (Multiple Choice Questions) With Answers, Web Services Online Quiz

1 .

If you are deploying into a Java EE 5 (or better) container, you may simply create a bean that is annotated with________

A)

javax.jws.WebService

B)

javax.jws.WebServiceProvider

C)

All of the above

D)

None of the above

Correct Answer : Option (C) : All of the above

Explanation : If you are deploying into a Java EE 5 (or better) container, you may simply create a bean that is annotated with javax.jws.WebService or javax.jws.WebServiceProvider and deploy that into a container in your web application.

2 .

If you are using the JAX-RS Reference Implementation, this intermediary step will involve a tool called wsgen.

A)

True

B)

False

C)

--

D)

--

Correct Answer : Option (A) : True

Explanation : It will generate the configuration (a file called sun-jaxws.xml) and wrapper beans required to expose your service.

3 .

Spring provides a factory that can export beans annotated with___

A)

javax.jws.WebService

B)

javax.jws.WebServiceProvider

C)

Both (A) and (B)

D)

None of the above

Correct Answer : Option (C) : Both (A) and (B)

Explanation : Spring provides a factory that can export beans annotated with javax.jws.WebService or javax.jws.WebServiceProvider inside the Spring context and then publishes the services using the JAX-WS runtime.

4 .

Which of the following is correct about UDDI?

A)

UDDI is seen with SOAP and WSDL as one of the three foundation standards of web services.

B)

UDDI is an open industry initiative enabling businesses to discover each other and define how they interact over the Internet.

C)

Both (A) and (B)

D)

None of the above

Correct Answer : Option (C) : Both (A) and (B)

5 .

You can build a Java-based web service on Solaris that is accessible from your Visual Basic program that runs on Windows.

A)

True

B)

False

C)

--

D)

--

Correct Answer : Option (A) : True

Explanation : You can build a Java-based web service on Solaris that is accessible from your Visual Basic program that runs on Windows.

6 .

The web service interface can change over time without compromising the client's ability to interact with the service.

A)

True

B)

False

C)

--

D)

--

Correct Answer : Option (A) : True

Explanation : The web service interface can change over time without compromising the client's ability to interact with the service.

7 .

Exposing a stand-alone SOAP endpoint using the

A)

JAX-WS

B)

SimpleJaxWsServiceExporter

C)

Both (A) and (B)

D)

All of the above

Correct Answer : Option (C) : Both (A) and (B)

Explanation : Exposing a stand-alone SOAP endpoint using the SimpleJaxWsServiceExporter or the support for JAX-WS in a Java EE container in conjunction with Spring is simple, but these solutions ignore the largest cross-section of developers—people developing on Tomcat.

8 .

Factory to use our Spring bean as the implementation________

A)

jaxws:end

B)

jaxws:endpoint

C)

Both (A) and (B)

D)

None of the above

Correct Answer : Option (B) : jaxws:endpoint

9 .

CXF represents the consolidation of the Celtix and XFire projects, which each had useful SOAP support.

A)

True

B)

False

C)

--

D)

--

Correct Answer : Option (A) : True

Explanation : For our example, we’ll embed CXF since it’s robust, fairly well tested, and provides support for other important standards like JAX-RS, the API for REST-ful endpoints.

10 .

Tomcat doesn't support JAX-WS by itself.

A)

True

B)

False

C)

--

D)

--

Correct Answer : Option (A) : True

Explanation : Tomcat doesn’t support JAX-WS by itself, so we need to help it by embedding a JAX-WS runtime. There are many choices, and you’re free to take your pick. Two popular choices are Axis2 and CXF, both of which are Apache projects.