Cloud Computing Questions and Answers – Service Oriented Architecture

This set of Cloud Computing Multiple Choice Questions & Answers (MCQs) focuses on “Service Oriented Architecture”.

1. Which of the following describes a message-passing taxonomy for a component-based architecture that provides services to clients upon demand?
a) SOA
b) EBS
c) GEC
d) All of the mentioned
View Answer

Answer: a
Explanation: Clients access a component that complies with SOA by passing a message containing metadata to be acted upon in a standard format.

2. Point out the correct statement.
a) Service Oriented Architecture (SOA) describes a standard method for requesting services from distributed components and managing the results
b) SOA provides the translation and management layer in an architecture that removes the barrier for a client obtaining desired services
c) With SOA, clients and components can be written in different languages and can use multiple messaging protocols
d) All of the mentioned
View Answer

Answer: d
Explanation: You don’t need SOA if you are creating a monolithic cloud application that performs a specific function such as backup, e-mail, Web page access, or instant messaging.

3. Which of the following is a repeatable task within a business process?
a) service
b) bus
c) methods
d) all of the mentioned
View Answer

Answer: a
Explanation: A business task is a composition of services.

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4. Which of the following module of SOA is shown in the following figure?
Find the module of SOA from the given diagram
a) Description
b) Messaging
c) Business Process
d) QOS
View Answer

Answer: d
Explanation: QoS is established, and the service is instantiated.

5. Point out the wrong statement.
a) SOA provides the standards that transport the messages and makes the infrastructure to support it possible
b) SOA provides access to reusable Web services over an SMTP network
c) SOA offers access to ready-made, modular, highly optimized, and widely shareable components that can minimize developer and infrastructure costs
d) None of the mentioned
View Answer

Answer: b
Explanation: Service Oriented Architecture has been part of a collaborative effort on the part of both large and small vendors to come up with a common solution to architecting complex business software processes efficiently.

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6. Which of the following is used to define the service component that performs the service?
a) WSDL
b) SCDL
c) XML
d) None of the mentioned
View Answer

Answer: b
Explanation: SCDL stands for Service Component Definition Language.

7. Which of the following is commonly used to describe the service interface, how to bind information, and the nature of the component’s service or endpoint?
a) WSDL
b) SCDL
c) XML
d) None of the mentioned
View Answer

Answer: a
Explanation: The most commonly used message-passing format is an Extensible Markup Language (XML) document using the Simple Object Access Protocol (SOAP).

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8. Which of the following provides commands for defining logic using conditional statements?
a) XML
b) WS-BPEL
c) JSON
d) None of the mentioned
View Answer

Answer: b
Explanation: Business process is a collection of activity graphs.

9. Which of the following is used as middleware layer in the following figure?
Find the middleware layer from the given diagram
a) XML
b) ESB
c) UDDI
d) None of the mentioned
View Answer

Answer: b
Explanation: An ESB may be part of a network operating system or may be implemented using a set of middleware
products.

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10. Which of the following figure is associated with Description Module in SOA stack?
a) Find the module of SOA from the given diagram
b) Find the WSDL from the given diagram
c) Find the describing web services from the given diagram
d) None of the mentioned
View Answer

Answer: d
Explanation: WSDL is a language for describing web services and how to access them.

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Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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