[Trắc Nghiệm] Ôn tập lý thuyết Web Service - SOAP API

Java Web + WebService

[Trắc Nghiệm] Ôn tập lý thuyết Web Service - SOAP API - Phần 2

Câu hỏi 1: What is a Web service endpoint?

A: A program that implements a Web service and carries out Web service requests
B: A database used to store client data
C: A protocol for network security
D: A browser-based development tool

Đáp án: A

Câu hỏi 2: Where can a Web service be accessed by the client application?

A: A local file path
B: A URL
C: A registry key
D: A database port

Đáp án: B

Câu hỏi 3: Which annotation can be used to annotate the implementing class of a Web service?

A: javax.jws.WebService
B: javax.sql.WebService
C: javax.xml.Endpoint
D: javax.net.Service

Đáp án: A

Câu hỏi 4: Which file format is used to package files for Web service deployment?

A: JAR
B: EAR
C: WAR
D: RAR

Đáp án: C

Câu hỏi 5: Which step comes immediately after compiling the implementation class?

A: Run the client
B: Package the files into a WAR file
C: Generate artifacts
D: Publish registry

Đáp án: B

Câu hỏi 6: Which layer consists of the service endpoint interface exposed to clients?

A: Service Processing Layer
B: Interaction Layer
C: Transport Layer
D: Security Layer

Đáp án: B

Câu hỏi 7: Which layer contains the business logic used to process client requests?

A: Presentation Layer
B: Interaction Layer
C: Service Processing Layer
D: Integration Layer

Đáp án: C

Câu hỏi 8: Implementing the Web service into a layered view helps to achieve what?

A: Increase server memory
B: Get clarity on the division of responsibilities
C: Eliminate network protocols
D: Remove business logic

Đáp án: B

Câu hỏi 9: In the Service Interaction Layer approach, WSDL is developed from what?

A: XML schemas
B: Database models
C: Java interfaces
D: HTML forms

Đáp án: C

Câu hỏi 10: Which service endpoint is used when processing happens within the Web tier?

A: EJB service endpoint
B: JAX-WS endpoint
C: JAX-RPC service endpoint
D: SOAP endpoint

Đáp án: C

Câu hỏi 11: Which service endpoint is used when processing happens on the EJB tier?

A: EJB service endpoint
B: JAX-RPC endpoint
C: HTTP endpoint
D: REST endpoint

Đáp án: A

Câu hỏi 12: Granularity of service is a trade-off between client-side flexibility and what?

A: Code readability
B: Server security
C: Web service performance
D: Deployment size

Đáp án: C

Câu hỏi 13: Which methods should be avoided in WSDL descriptions?

A: Static methods
B: Private methods
C: Overloaded methods
D: Abstract methods

Đáp án: C

Câu hỏi 14: Client requests are received in the form of what messages?

A: JSON messages
B: SOAP messages
C: HTML messages
D: Binary messages

Đáp án: B

Câu hỏi 15: Responses to a method call come as what type of document?

A: HTML document
B: Text document
C: XML document
D: PDF document

Đáp án: C

Câu hỏi 16: Annotations are prefixed with which symbol?

A: #
B: @
C: $
D: &

Đáp án: B

Câu hỏi 17: Web service annotations are available in which package?

A: javax.net
B: javax.io
C: javax.jws
D: javax.rmi

Đáp án: C

Câu hỏi 18: Which annotation specifies that the JWS file implements a Web service?

A: @WebMethod
B: @WebResult
C: @WebService
D: @SOAPBinding

Đáp án: C

Câu hỏi 19: Which annotation specifies that a method is a public operation offered by the Web service?

A: @WebParam
B: @WebMethod
C: @WebResult
D: @initParams

Đáp án: B

Câu hỏi 20: Which annotation specifies the parameters required by the Web service?

A: @WebParam
B: @WebResult
C: @WebMethod
D: @SOAPBinding

Đáp án: A

Câu hỏi 21: Which annotation specifies the parameter returned by the Web service?

A: @WebMethod
B: @WebParam
C: @WebResult
D: @WebService

Đáp án: C

Câu hỏi 22: Which annotation specifies the mapping of the Web service with the SOAP message protocol?

A: @SOAPBinding
B: @WebResult
C: @WebMethod
D: @initParams

Đáp án: A

Câu hỏi 23: Which annotation is used for provider-based endpoints?

A: @WebService
B: @WebServiceProvider
C: @WebParam
D: @WebResult

Đáp án: B

Câu hỏi 24: A JAX-WS Web service without an associated SEI is regarded as what?

A: Explicit SEI
B: External SEI
C: Implicit SEI
D: Abstract SEI

Đáp án: C

Câu hỏi 25: Publishing a Web service makes what details available to clients?

A: Source code only
B: Interfaces, methods, parameters, and service location
C: Database credentials
D: Server hardware details

Đáp án: B

Câu hỏi 26: Which registry is used by the general public?

A: Private registry
B: Intra-enterprise registry
C: Public registry
D: Local registry

Đáp án: C

Câu hỏi 27: Which registry is used by trusted business partners?

A: Public registry
B: Private registry
C: Intra-enterprise registry
D: External registry

Đáp án: B

Câu hỏi 28: Which registry is used within two entities of the same organization?

A: Public registry
B: Private registry
C: Intra-enterprise registry
D: Distributed registry

Đáp án: C

Câu hỏi 29: Invoking a Web service refers to whose actions?

A: Server administrator
B: Client application
C: Network provider
D: Database engine

Đáp án: B

Câu hỏi 30: Which HTTP method can be used to obtain the service description from the provider over a Web page?

A: HTTP POST
B: HTTP PUT
C: HTTP GET
D: HTTP DELETE

Đáp án: C