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 : Option (D) : 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 : Option (B) : 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 : Option (D) : 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 : Option (A) : 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 : Option (C) : 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 : Option (D) : 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 : Option (D) : 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 : Option (A) : 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 : Option (D) : 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 : Option (B) : 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.