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| Web service - Interview Questions and Answers for 'Hcl technologies' - 7 question(s) found - Order By Newest | ||||
 Very frequently asked in companies using SOA. | ||||
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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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 Discuss Correct / Improve  java web services rest java j2ee architecture  Asked in 14 Companies  intermediate  frequent | ||||
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| 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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| Discuss Correct / Improve get vs post web service rest Asked in 11 Companies basic frequent | ||||
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| 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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| Discuss Correct / Improve aws amazon s3 aws s3 aws storage amazon cloud storage amazon s3 Asked in 12 Companies | ||||
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| Ans. Encrypted User Name / Password Encrypted Password within Cookie Encrypted Tokens IP Client Certificates Oauth | ||||
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| Discuss Correct / Improve authentication security web service Asked in 12 Companies basic frequent | ||||
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| 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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| Discuss Correct / Improve aws aws ec2 aws computing amazon cloud computing amazon ec2 Elastic Compute Cloud Amazon Elastic Compute Cloud Asked in 2 Companies | ||||
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| Ans. Route 53 | ||||
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| Discuss Correct / Improve AWS DNS aws Route 53 Asked in 4 Companies | ||||
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| Ans. VPC stands for Virtual Private Cloud. You can define a VPC and subnets for a region in AWS and that can be used to access shared resources on the cloud. For eg: API gateway to access any file on S3. | ||||
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| Discuss Correct / Improve aws vpc aws subnets Asked in 3 Companies | ||||
