This set of Cloud Computing Multiple Choice Questions & Answers (MCQs) focuses on “Service Discovery”.
1. Which of the following standard is used for publishing a Web service that is used in cloud computing?
a) WSDL
b) SMIL
c) XML
d) None of the mentioned
View Answer
Explanation: WSDL standard contributes to the Service Oriented Architecture (SOA).
2. Point out the wrong statement.
a) Web services are useful only if they can be discovered by mobile devices
b) If protocols are standard and open, the chances of being able to exchange information are decreased
c) Web services are a form of publishing
d) All of the mentioned
View Answer
Explanation: If protocols are standard and open, the chances of being able to exchange information is increased.
3. Which of the following service is an open registry of business services?
a) USI
b) UDDI
c) UDDL
d) All of the mentioned
View Answer
Explanation: UDDI stands for Universa1, Description, Discovery, and Integration.
4. Which of the following page is published by UDDI?
a) Black
b) Yellow
c) Blue
d) All of the mentioned
View Answer
Explanation: Yellow pages with industry categorization based on standard schema or taxonomies is published by UDDI.
5. Point out the correct statement.
a) In WSDL, the service is described in terms of an endpoint that can be accessed to send information to and get information back from the service
b) Several mechanisms exist for aggregating WSDL documents into a searchable form
c) UDDI is an OASIS standard that is searchable and is in the XML format
d) All of the mentioned
View Answer
Explanation: Documents stored in UDDI conform to the Web Service Inspection Language (WSIL) format.
6. Which of the following service provides a means for advertising services on small networks using a multicast protocol?
a) WS-Discovery
b) WS-API
c) WS-WCF
d) None of the mentioned
View Answer
Explanation: Typically, the service is delivered using SOAP over UDP.
7. Which of the following pages IN UDDI specify the service endpoints?
a) White
b) Yellow
c) Gren
d) None of the mentioned
View Answer
Explanation: White pages contain identification information.
8. Microsoft uses ________ to provision network nodes such as computers, access points, printers, and other network-connected devices.
a) Motorola Rally
b) Windows Rally
c) Sony Rally
d) All of the mentioned
View Answer
Explanation: WS-Discovery is an OASIS standard and is used as part of network discovery in Windows (WSDAPI).
9. Which of the following standard aims to create a searchable global registry of business services?
a) ebXML
b) eXLST
c) bXML
d) none of the mentioned
View Answer
Explanation: ebXML stands for Electronic Business using eXtensible Markup Language.
10. Electronic Business using eXtensible Markup Language standard is maintained by ________ initiative.
a) UN
b) freebXM
c) fbXM
d) all of the mentioned
View Answer
Explanation: Electronic Business using eXtensible Markup Language is a joint standard of OASIS and UN/CEFACT.
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