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

1 .

Which of the following is a components of a Web Service architecture?

A)

WSDL

B)

UDDI

C)

SOAP

D)

All of the above

Correct Answer : All of the above

Explanation : All of the above options are components of a web service architecture.

2 .

A web service contract is described using :

A)

Web Services Description

B)

Web Services Description Language

C)

Both (A) and (B)

D)

None of the above

Correct Answer : Web Services Description Language

Explanation : In contract-last, you expose an existing service interface as a web service whose service contract is generated automatically.

3 .

In contrast, the contract-first approach encourages you to think of the service contract first in terms of__________

A)

XML

B)

WSDL

C)

XML Schema(.xsd)

D)

All of the above

Correct Answer : All of the above

Explanation : In contrast, the contract-first approach encourages you to think of the service contract first, in terms of XML, using XML schema (.xsd) and WSDL.

4 .

Which of the following layer in Web Service Protocol Stack is responsible for describing the public interface to a specific web service?

A)

Service Description

B)

XML Messaging

C)

Service Transport

D)

Service Discovery

Correct Answer : Service Description

Explanation : Service Description is responsible for describing the public interface to a specific web service.

5 .

Which of the following is correct about Service Discovery layer in Web Service Protocol Stack?

A)

Currently, service discovery is handled via Universal Description, Discovery, and Integration (UDDI).

B)

This layer is responsible for centralizing services into a common registry and providing easy publish/find functionality.

C)

Both (A) and (B)

D)

None of the above

Correct Answer : Both (A) and (B)

6 .

Which of the following is true about Web Services RPC?

A)

Remote procedures expose input and output parameters that a web service must support.

B)

Web services allow clients to invoke procedures, functions, and methods on remote objects using an XML-based protocol.

C)

A web service supports RPC by providing services of its own, equivalent to those of a traditional component, or by translating incoming invocations into an invocation of an EJB or a .NET component.

D)

All of the above

Correct Answer : All of the above

Explanation : All of the above options are true about Web Services RPC.

7 .

Which of the following is correct about SOAP?

A)

SOAP is platform independent.

B)

SOAP is a format for sending messages.

C)

SOAP is designed to communicate via Internet.

D)

All of the above

Correct Answer : All of the above

8 .

In some cases, it's also hard to map an object to XML (e.g., an object graph with cyclic references) because there's actually an impedance mismatch between an object model and an XML model.

A)

True

B)

False

C)

--

D)

--

Correct Answer : True

Explanation : Just like that between an object model and a relational model.

9 .

Service exporters that can export a bean as a remote service based on the______

A)

RMI

B)

Burlap

C)

Hessian

D)

All of the above

Correct Answer : All of the above

Explanation : Spring comes with several service exporters that can export a bean as a remote service based on the RMI, Hessian, Burlap, or HTTP Invoker remoting technologies.

10 .

The standard for deploying web services on the Java EE platform as of Java EE 1.4________

A)

RPC

B)

JAX-RPC

C)

JAX

D)

None of the above

Correct Answer : JAX-RPC

Explanation : The standard for deploying web services on the Java EE platform as of Java EE 1.4 was called JAX-RPC. It supported SOAP 1.0 and 1.1, but didn’t support message-oriented web services.

11 .

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 : 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.

12 .

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 : True

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

13 .

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 : 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.

14 .

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 : Both (A) and (B)

15 .

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 : True

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

16 .

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 : True

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

17 .

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 : 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.

18 .

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 : jaxws:endpoint

19 .

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

A)

True

B)

False

C)

--

D)

--

Correct Answer : 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.

20 .

Tomcat doesn't support JAX-WS by itself.

A)

True

B)

False

C)

--

D)

--

Correct Answer : 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.

21 .

SOAP is a format for sending messages and is also called as __________.

A)

Network protocol

B)

Communication protocol

C)

Data Transfer protocol

D)

None of the above

Correct Answer : Communication protocol

22 .

The service provider implements the service and makes it available on the Internet.

A)

True

B)

False

C)

--

D)

--

Correct Answer : True

Explanation : The service provider implements the service and makes it available on the Internet.

23 .

Service Discovery is responsible for centralizing services into a common registry and providing easy publish/find functionality.

A)

True

B)

False

C)

--

D)

--

Correct Answer : True

Explanation : Service Discovery is responsible for centralizing services into a common registry and providing easy publish/find functionality.

24 .

Which of the following is a benefit of using a web service?

A)

Web services use SOAP over HTTP protocol, so you can use your existing low-cost internet for implementing web services.

B)

All the four layers (Service Transport, XML Messaging, Service Description, and Service Discovery layers) use well-defined protocols in the web services protocol stack.

C)

Both (A) and (B)

D)

None of the above

Correct Answer : Both (A) and (B)

25 .

Which of the following role of web service architecture implements the service and makes it available on the Internet?

A)

Service Registry

B)

Service Provider

C)

Service Requestor

D)

None of the above

Correct Answer : Service Provider

Explanation : The service Provider implements the service and makes it available on the Internet.

26 .

Which of the following layer in Web Service Protocol Stack is responsible for encoding messages in a common XML format so that messages can be understood at either end?

A)

Service Discovery

B)

Service Description

C)

Service Transport

D)

XML Messaging

Correct Answer : XML Messaging

Explanation : XML Messaging is responsible for encoding messages in a common XML format so that messages can be understood at either end.

27 .

What BEEP stands for?

A)

Big Extensible Exchange Protocol

B)

Blocks Exchange Extensible Protocol

C)

Blocks Extensible External Protocol

D)

Blocks Extensible Exchange Protocol

Correct Answer : Blocks Extensible Exchange Protocol

28 .

Which of the following is correct about XML RPC?

A)

A Java client can speak XML-RPC to a Perl server.

B)

XML-RPC is the easiest way to get started with web services.

C)

Both (A) and (B)

D)

None of the above

Correct Answer : Both (A) and (B)

29 .

_______ is used to convert your application into Web-Application.

A)

Web Services

B)

Java Service

C)

Browser Action

D)

Struts Services

Correct Answer : Web Services

30 .

A more complex approach for web service implementation, is referred to as

A)

JavaScript Object Notation

B)

Big Web Services

C)

JavaScript Entity Notation

D)

Representation State Transfer

Correct Answer : Big Web Services

31 .

Which component of Web Services does not acts as a directory?

A)

XML

B)

UDDI

C)

SOAP

D)

WSDL

Correct Answer : XML

Explanation : The service Provider implements the service and makes it available on the Internet.

32 .

The basic Web Services platform is combination of _____ and _______.

A)

CSS + HTTP

B)

CSS + JAVA

C)

XML + HTML

D)

XML + HTTP

Correct Answer : XML + HTTP

33 .

Which of the following is a security issue with web services?

A)

Authentication

B)

Network Security

C)

Confidentiality

D)

All of the above

Correct Answer : All of the above

34 .

XML Messaging is responsible for encoding messages in a common XML format so that messages can be understood at either end.

A)

True

B)

False

C)

--

D)

--

Correct Answer : True

Explanation : XML Messaging is responsible for encoding messages in a common XML format so that messages can be understood at either end.

35 .

Web services allow various applications to talk to each other and share data and services among themselves.

A)

True

B)

False

C)

--

D)

--

Correct Answer : True

Explanation : Web services allow various applications to talk to each other and share data and services among themselves.

36 .

Which of the following is true about Web service?

A)

It uses a standardized XML messaging system.

B)

It is available over the Internet or private (intranet) networks.

C)

It is not tied to any one operating system or programming language.

D)

All of the above

Correct Answer : All of the above

37 .

Which of the following is true about behavioral characteristics of web services?

A)

A consumer of a web service is not tied to that web service directly.

B)

Web Services uses XML at data representation and data transportation layers.

C)

Businesses and the interfaces that they expose should be coarse-grained. Web services technology provides a natural way of defining coarse-grained services that access the right amount of business logic.

D)

All of the above

Correct Answer : All of the above

Explanation : All of the above options are true about behavioral characteristics of web services.

38 .

Which of the following is correct about XML Messaging layer in Web Service Protocol Stack?

A)

Currently, this layer includes XML-RPC and SOAP.

B)

This layer is responsible for encoding messages in a common XML format so that messages can be understood at either end.

C)

Both of the above

D)

None of the above

Correct Answer : Both of the above

39 .

What are the web service platform elements?

A)

HTTP, WSDL

B)

SOAP, UDDI, WSDL

C)

SOAP, UDDI, XML

D)

UDDI, XML, SOAP

Correct Answer : SOAP, UDDI, WSDL

40 .

What is RPC?

A)

Remote Procedure Calls

B)

Regional Procedure Calls

C)

Regional Protection Control

D)

Registered Procedure Counselor

Correct Answer : Remote Procedure Calls

41 .

The simpler approach of implementing a web service is named as

A)

Entity State Transfer

B)

JavaScript Entity Notation

C)

JavaScript Object Notation

D)

Representation State Transfer

Correct Answer : Representation State Transfer

42 .

Long form of SOAP is _________

A)

Secure Object Access Protocol

B)

Simplified Object Arbitary Protocol

C)

Simple Object Access Protocol

D)

None of the above

Correct Answer : Simple Object Access Protocol

43 .

Web-applications were developed in order to interact _____________ .

A)

Server

B)

Browsers

C)

Different platforms

D)

None of the above

Correct Answer : Different platforms

44 .

Which of the following style(s) is/are Strictly WS-I compliant?

A)

RPC/encoded

B)

RPC/literal

C)

Document/literal

D)

Document/encoded

Correct Answer : RPC/literal

45 .

Coding and decoding, and transporting the data is performed by

A)

XML and SOAP

B)

XML and UDDI

C)

HTML and SOAP

D)

HTML and HTTP

Correct Answer : XML and SOAP

46 .

Web services communicate using __________.

A)

Open protocols

B)

Close protocols

C)

Open and Close protocols

D)

None of the above

Correct Answer : Open protocols

47 .

WSDL Stands for ____________________

A)

Web Services Design Language

B)

Web Services Development Language

C)

Web Services Dividing Language

D)

Web Services Description Language

Correct Answer : Web Services Description Language

48 .

UDDI Stands for _______________

A)

Universal Development, Design and Integration

B)

User Development, Description and Integration

C)

Universal Description, Discovery and Integration

D)

Universal Description, Development and Integration

Correct Answer : Universal Description, Discovery and Integration