Web Services Fundamentals Quiz

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Questions and Answers

What is a Web service according to W3C 2003?

A system designed for peer-to-peer interaction over the internet

A software system designed to support interoperable machine-to-machine interaction over a network (correct)

A system designed for supporting machine-to-human interaction over a network

A software system designed for human-to-machine interaction over the internet

What does SOA stand for in the context of Web services?

Service-Oriented Architecture (correct)

Service-Oriented Application

Software-Oriented Architecture

System-Oriented Architecture

Which technology is NOT considered as part of the Web service communication overview?

HTML (Hypertext Markup Language) (correct)

RMI (Remote Method Invocation)

EJB (Enterprise Java Bean)

RPC (Remote Procedure Call)

What is the purpose of SOAP in Web services?

To enable structured information exchange in the implementation of Web services Signup and view all the answers

What does a Web service interface have according to W3C 2003?

An interface described in a machine-processable format (specifically WSDL) Signup and view all the answers

What is the purpose of WSDL in Web services?

To describe what web services are, where they can be found, and how they should be used Signup and view all the answers

Which technology is a component of web services for finding publicly available services?

UDDI Signup and view all the answers

What is the main characteristic of SOAP in web services?

Being a lightweight XML-based messaging format Signup and view all the answers

What is the primary goal of web services according to the text?

Facilitating communication between applications using a standard protocol/format Signup and view all the answers

Which companies have conducted open experiments with web services according to the text?

Google and Amazon Signup and view all the answers

What are the two basic architectures for facilitating communication between applications?

Servlets/CGI and Web Services Signup and view all the answers

Which protocol/format is commonly used by web services for platform-independent communication?

XML Signup and view all the answers

What is the role of WSDL in web services?

Describing web services and how they should be used Signup and view all the answers

Which component enables companies to find publicly available web services on the internet or corporate intranets?

UDDI Signup and view all the answers

What is the expected progression of web services adoption in distinct phases?

Increasing focus on app integration, developer productivity, business-partner connectivity, and new business models Signup and view all the answers

Study Notes

Understanding Web Services

Web services are available over the web and facilitate communication between applications using a standard protocol/format for platform-independent communication.
There are two basic architectures: Servlets/CGI and Web Services, with the latter enabling interactions between different applications through the web.
Companies like Google and Amazon have conducted open experiments with web services to allow partners to develop custom interfaces and applications using their data and services.
The industry is aligned in a broad initiative for web services, aiming for interoperability across platforms, applications, and languages.
The life cycle of a web service involves a service registry, provider, requester, and execution stages, with protocols like WSDL and UDDI being components of web services.
Web services are characterized by their interoperability, ease of use, reusability, and ubiquity, evolving from first-generation to next-generation applications.
Under the hood, web services utilize XML, SOAP, WSDL, and UDDI, with SOAP being a lightweight XML-based messaging format that can work with any operating system, programming language, and platform.
WSDL, or Web Services Description Language, allows web services to describe what they are, where they can be found, and how they should be used.
UDDI, or Universal Description, Discovery, and Integration, enables companies to find publicly available web services on the internet or corporate intranets.
Web services offer a wide range of possibilities, including providing financial, sports, weather, news, and delivery status information, among others, making them relevant to various clients.
Several vendors and users/consumers, such as Microsoft, IBM, Sun, Oracle, and Amazon, are actively involved in web services, and the technology is relevant to all individuals and organizations.
The adoption of web services is expected to progress through distinct phases, with an increasing focus on app integration, developer productivity, business-partner connectivity, and new business models over time.

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Description

Test your knowledge of web services with this quiz. Explore the fundamental concepts, architectures, protocols, and applications of web services, and understand their relevance in today's technology landscape.