Cloud Computing Questions and Answers – SOA Communications

This set of Cloud Computing Multiple Choice Questions & Answers (MCQs) focuses on “SOA Communications”.

1. Which of the following is used to aid for locating services in SOA?
a) catalog service
b) data abstraction services
c) data bus
d) all of the mentioned
View Answer

Answer: a
Explanation: Service catalogs are dynamic and under constant modification.

2. Point out the correct statement.
a) An intranet is a network that is constructed through the consolidation of separate networks
b) The Information Technology Infrastructure Library (ITIL) is developed by the United Kingdom’s Office of Government Commerce (OGC)
c) Message passing in SOA requires the use of four different protocol types
d) All of the mentioned
View Answer

Answer: b
Explanation: ITIL is the most widely accepted approach to IT service management in the world.

3. Which of the following catalog service requires some sort of synchronization or update to maintain a unified data store across the servers involved?
a) global
b) standalone
c) federated
d) all of the mentioned
View Answer

Answer: a
Explanation: Global catalog service serves multiple sites.

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4. How many different protocol types are required for message passing in SOA?
a) 1
b) 2
c) 3
d) 4
View Answer

Answer: b
Explanation: Message passing in SOA requires the use of two different protocol types: the data interchange format and the network protocol that carries the message.

5. Point out the wrong statement.
a) An ESB is both necessary and essential to a Service Oriented Architecture
b) A client connected to an ESB communicates over a network protocol such as HTTP, Representational State Transfer (REST), or Java Message Service (JMS) to a component (or service)
c) Messages are most often in the form of the SMIL
d) None of the mentioned
View Answer

Answer: c
Explanation: Messages are most often in the form of the eXtensible Markup Language (XML).

6. Which of the following combination is possible in WebSphere ESB?
a) XML/JMS
b) SOAP/JMS
c) SOAP/HTTP
d) Governance
View Answer

Answer: b
Explanation: An ESB may require a variety of combinations in order to support communications between a service consumer and a service provider.

7. Which of the following statement is incorrect related to catalog servers?
a) They can be standalone catalog servers serving a single site
b) They cannot serve the role of a global catalog service where two or more catalog servers are merged to include several sites
c) They can be part of a federated catalog service
d) None of the mentioned
View Answer

Answer: b
Explanation: Catalog services have an enormous impact on large system performance and eventually become essential as a SOA internetwork system grows.

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8. Which of the following version of WSDL is a W3C standard?
a) 1.1
b) 2.3
c) 3.1
d) Governance
View Answer

Answer: a
Explanation: The Web Service Description Language (WSDL) is one of the most commonly used XML protocols for messaging in Web services.

9. Which of the following essential object in WSDL is used to support message transfer?
a) bus
b) binding
c) type
d) none of the mentioned
View Answer

Answer: b
Explanation: The binding is the description of the interface (e.g. RPC) and the transport (e.g. SOAP).

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10. Which of the following object is used to describe the data, usually as part of the XML schema?
a) operation
b) prototype
c) types
d) none of the mentioned
View Answer

Answer: c
Explanation: The prototype defines the capabilities of the Web service, and what operations are to be performed, as well as the messages that must be sent to support the operation.

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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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