Ôn tập tổng hợp lý thuyết Web Service - Trắc nghiệm tổng hợp Web Service

Question 1

What is the primary characteristic of Web services regarding their integration?

Question 2

Which architecture provides location and implementation transparency by building an infrastructure of services?

Question 3

In the SOA model, which component is responsible for publishing information about organizations and their services?

Question 4

Which type of Web service is offered using the SOAP standard and XML message formats?

Question 5

What are the two primary parts of a SOAP message enclosed within an envelope?

Question 6

Which Java API is specifically used to access XML registries like UDDI and ebXML?

Question 7

Which parser processes XML sequentially as a series of events?

Question 8

Which tool is used to create the WSDL file and mapping file during Web service development?

Question 9

Which annotation is used to mark a Java class as a Web service in JAX-WS?

Question 10

What is the function of 'Marshalling' in the context of JAXB?

Question 11

Which protocol does SOAP use as a primary transport mechanism?

Question 12

Which element in a WSDL document describes the operations provided by the service?

Question 13

What does UDDI stand for?

Question 14

Which messaging mode is used to transmit method calls and return values in SOAP?

Question 15

Errors in SOAP messages are sent as which type of messages over HTTP?

Question 16

Which element is the root element of a SOAP message?

Question 17

Which WSDL element defines the data types used by the web service?

Accepted Answer

types

Question 18

The ebXML registry is similar to which other registry?

Question 19

Which SOAP part is used for carrying application-specific data?

Question 20

What is the function of the 'binding' element in WSDL?

Question 21

What is a Web service endpoint?

Question 22

Which annotation can be used instead of @WebService for service providers?

Question 23

What is the recommended file format for packaging Web service files for deployment?

Question 24

In JAX-WS development, what comes after coding the implementation class?

Question 25

Which method of the Service class is used to instantiate the Web service in a client?

Question 26

Which method is used to initialize the port for the Web service in a JSP client?

Accepted Answer

getPort()

Question 27

A Web service is available to clients only after which process?

Question 28

What is the primary role of a Web service endpoint URL?

Question 29

Which type of bean can be extended into a Web service in Java EE?

Question 30

Design guidelines simplify the process of creating what?

Question 31

Which client type enables invoking methods unknown at compile time?

Question 32

Which object is used in DII to dynamically invoke a Web service?

Question 33

What is a drawback of using DII clients?

Question 34

Which client creates a proxy of the service interface to access methods?

Question 35

What is a benefit of Dynamic Proxy clients?

Question 36

What class is used to create an instance for the generated interface in DII?

Question 37

A web-based application using JSP or servlets to access services is called what?

Accepted Answer

Dynamic client

Question 38

DII is the only method that supports what type of invocation?

Question 39

Which Java API can be used by a DII client for lookup?

Question 40

Which mode of communication allows clients to access Web services through stubs?

Question 41

JAX-WS architecture is based on the generation of which instance?

Question 42

Which technology is JAX-WS data binding based on?

Question 43

What is the 'Provider' interface in JAX-WS used for?

Question 44

Which client type in JAX-WS supports asynchronous invocation?

Question 45

Java EE platform uses which objects for easier development of Web services?

Question 46

What type of Web service is JAX-RS used for?

Question 47

JAX-WS parsing is based on JAXB and which other technology?

Question 48

The JEE platform provides what for Web services?

Question 49

What are the two types of service endpoint implementations in JAX-WS?

Question 50

What does JAX-WS stand for?

Accepted Answer

Java API for XML-based Web Services

Question 51

What is REST an acronym for?

Accepted Answer

Representational State Transfer

Question 52

Which HTTP method is used to create a new resource in REST?

Question 53

Which HTTP method is used to update an existing resource in REST?

Question 54

Which HTTP method is used to retrieve a resource in REST?

Accepted Answer

GET

Question 55

RESTful Web services are based on which protocol?

Question 56

What is the JAX-RS specification used for?

Question 57

What are the two types of resources JAX-RS API allows creating?

Question 58

What are HTTP methods also known as in REST?

Question 59

Which action does the DELETE HTTP method perform?

Question 60

Which architecture style designs systems consisting of protocols, data components, hyperlinks, and clients?