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Web service - Interview Questions and Answers for 'Cognizant (cts)' - 4 question(s) found - Order By Newest

Very frequently asked in companies using SOA.
  Q1. What are RESTful Web Services ?Rest
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Ans. REST or Representational State Transfer is a flexible architecture style for creating web services that recommends the following guidelines -

1. http for client server communication,
2. XML / JSON as formatiing language ,
3. Simple URI as address for the services and,
4. stateless communication.

 Help us improve. Please let us know the company, where you were asked this question :   

   Like         Discuss         Correct / Improve     java   web services   rest   java   j2ee  architecture     Asked in 14 Companies      intermediate        frequent


  Q2. Difference between GET and POST Requests ?Web Service2016-07-22 15:00:21

Ans. GET is supposed to get information from the server. Client sends the minimal information so that Server can respond with the response body on basis of request. For example - You want to get complete employment record for employee id 123

POST is supposed to send the information for submission. Payload or a Body is usually sent so that it can be persisted on the server. For example - Sending the complete information of an employee ( id, name , dept etc ) to the server for persisting it.

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   Like         Discuss         Correct / Improve     get vs post   web service   rest     Asked in 11 Companies      basic        frequent


 Q3. Describe AWS VPC and subnets.Amazon Web Services (AWS)2019-01-25 18:02:40

 This question was recently asked at 'HCL Technologies,Amazon,Cognizant (CTS)'.This question is still unanswered. Can you please provide an answer.


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   Like         Discuss         Correct / Improve     aws vpc  aws subnets     Asked in 3 Companies


 Q4. What is your experience with AWS EMR ?Amazon Web Services (AWS)2019-01-26 12:48:42

 This question was recently asked at 'Cognizant (CTS)'.This question is still unanswered. Can you please provide an answer.


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   Like         Discuss         Correct / Improve     aws emr     Asked in 1 Companies




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