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Web service - Interview Questions and Answers for 'Hcl' - 7 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.

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  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     Wayfair  Finacus Solutions  Elsevier  Cognizant (CTS)  FlipKart  Singsys  Overstock  One Click Retail  Spillman Technologies  HCL Technologies  Infosys Technologies      basic        frequent


 Q3. What is Amazon S3 ?Amazon Web Services (AWS)2017-02-16 11:17:48

Ans. Amazon Simple Storage Service or S3 is object storage with a simple web service interface to store and retrieve any amount of data from anywhere on the web.

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   Like      Discuss      Correct / Improve     aws  amazon s3  aws s3  aws storage  amazon cloud storage  amazon s3     Onica Group  Ancestry  EminoSoft  Capital One  Samava  HCL Technologies  Infosys  Tinder  Accenture  Accenture India  Datagrokr  BMLL Technologies Ltd


 Q4. What is Amazon EC2 ?Amazon Web Services (AWS)2017-06-01 17:01:20

Ans. Amazon Elastic Compute Cloud or EC2 provides scalable computing capacity in the AWS cloud. It can be used to create Virtual Environments , storage and configure. EC2 enables to upgrade or downgrade infrastructure according to the rules defined ( with fluctuation in latency, traffic etc )

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  Q5. What are the types of authentication used in Web services ?Web Service2018-07-14 11:02:27

Ans. Encrypted User Name / Password
Encrypted Password within Cookie
Encrypted Tokens
IP
Client Certificates
Oauth

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 Q6. What is the name of DNS service provided by AWS ?Amazon Web Services (AWS)2019-01-16 14:41:02

Ans. Route 53

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   Like      Discuss      Correct / Improve     AWS DNS  aws Route 53     Matomy Media Group  Amazon  HCL Technologies  CreateSpace


 Q7. 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     HCL Technologies  Amazon  Cognizant (CTS)




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