[Trắc Nghiệm] Ôn tập kiến thức về web service - SOAP API

Java Web + WebService

[Trắc Nghiệm] Ôn tập kiến thức về web service - SOAP API - Lập trình Java Backend

Câu hỏi 1: What is a Web service?

A: A desktop application
B: A service available on the Web
C: A database management tool
D: A network hardware device

Đáp án: B

Câu hỏi 2: Which language is used by Web services to exchange information?

A: HTML
B: JSON
C: XML
D: YAML

Đáp án: C

Câu hỏi 3: Web services are loosely coupled and integrated only when required. This describes which characteristic?

A: Accessibility
B: Integration
C: Security
D: Scalability

Đáp án: B

Câu hỏi 4: Which integration is abbreviated as A2A?

A: Application-to-Application Integration
B: Access-to-Access Integration
C: Application-to-Architecture Integration
D: Account-to-Account Integration

Đáp án: A

Câu hỏi 5: Which communication type is abbreviated as B2B?

A: Browser-to-Browser Communication
B: Business-to-Business Communication
C: Backend-to-Backend Communication
D: Base-to-Base Communication

Đáp án: B

Câu hỏi 6: Web services allow developers to use any software platform, architecture, and programming language. This advantage is called:

A: Interoperability
B: Flexibility
C: Portability
D: Scalability

Đáp án: B

Câu hỏi 7: Which type of Web services are offered using the SOAP standard and XML message formats?

A: RESTful Web services
B: Big Web services
C: Micro Web services
D: Embedded Web services

Đáp án: B

Câu hỏi 8: RESTful Web services employ which functionality?

A: JAX-WS
B: JAXP
C: JAX-RS
D: JAXR

Đáp án: C

Câu hỏi 9: Service Oriented Architecture (SOA) provides which type of transparency?

A: Location and implementation transparency
B: Hardware transparency
C: Network transparency
D: User interface transparency

Đáp án: A

Câu hỏi 10: Which SOA component publishes information related to organizations and their services?

A: Service Consumer
B: Service Provider
C: Service Broker
D: Service Client

Đáp án: C

Câu hỏi 11: Which SOA component allows consumers to use services based on cost, availability, and security?

A: Service Broker
B: Service Provider
C: Service Registry
D: Service Monitor

Đáp án: B

Câu hỏi 12: Which SOA component locates services through a broker and connects to providers?

A: Service Consumer
B: Service Publisher
C: Service Host
D: Service Manager

Đáp án: A

Câu hỏi 13: Which protocol is used for communication in Web services?

A: FTP
B: SMTP
C: HTTP
D: SNMP

Đáp án: C

Câu hỏi 14: Which registry standards serve as service brokers?

A: HTML and CSS
B: UDDI and ebXML
C: SOAP and WSDL
D: JAXP and JAXB

Đáp án: B

Câu hỏi 15: Extensible Markup Language (XML) is described as:

A: A database language
B: A scripting language
C: A markup language for Web communication
D: A styling language

Đáp án: C

Câu hỏi 16: SOAP stands for:

A: Standard Object Access Protocol
B: Simple Object Access Protocol
C: Secure Object Application Protocol
D: System Object Access Program

Đáp án: B

Câu hỏi 17: A SOAP message is:

A: A JSON document
B: An HTML document
C: An XML document
D: A binary file

Đáp án: C

Câu hỏi 18: A SOAP message contains which two main parts inside the envelope?

A: Header and Footer
B: Header and Body
C: Body and Trailer
D: Title and Body

Đáp án: B

Câu hỏi 19: Which document is retrieved from a registry to use a Web service?

A: XML Schema
B: JSON File
C: WSDL Document
D: DTD File

Đáp án: C

Câu hỏi 20: Which tools automatically generate WSDL documents?

A: Compilers
B: Integrated Development Environments (IDEs)
C: Browsers
D: Web Servers

Đáp án: B

Câu hỏi 21: JAX-WS enables communication with:

A: Only Java Web services
B: Only non-Java Web services
C: Java and non-Java Web services
D: Database services only

Đáp án: C

Câu hỏi 22: SAAJ helps to:

A: Design user interfaces
B: Create and transmit SOAP messages
C: Manage databases
D: Compile Java code

Đáp án: B

Câu hỏi 23: JAXR allows applications to access registries such as:

A: HTTP and FTP
B: DOM and SAX
C: UDDI and ebXML
D: SOAP and REST

Đáp án: C

Câu hỏi 24: JAXP enables the use of which interfaces?

A: JDBC and JNDI
B: DOM2 and SAX2
C: RMI and CORBA
D: JMS and JTA

Đáp án: B

Câu hỏi 25: SAX processes XML documents:

A: By loading the entire document into memory
B: Sequentially into a series of events
C: Using SQL queries
D: Only through graphical tools

Đáp án: B

Câu hỏi 26: SAX is very fast because it:

A: Uses multithreading
B: Compresses XML files
C: Does not load the document into memory
D: Uses binary encoding

Đáp án: C

Câu hỏi 27: A DOM parser creates:

A: A flat text file
B: A streaming buffer
C: A tree from XML elements
D: A database table

Đáp án: C

Câu hỏi 28: JAX-WS supports which standard Internet protocol?

A: SMTP
B: FTP
C: HTTP
D: TELNET

Đáp án: C

Câu hỏi 29: SOAP messages over HTTP follow which model?

A: Publish-subscribe model
B: Peer-to-peer model
C: Request and response model
D: Batch processing model

Đáp án: C

Câu hỏi 30: A SOAP fault is generated when:

A: A message is successfully delivered
B: An error occurs in transmission of message
C: A registry is updated
D: A service is deployed

Đáp án: B