AWS based questions related to RDS and other services as well
Aws Developer Interview Questions
1,387 aws developer interview questions shared by candidates
tell me about yourself briefly.
Basic AWS question, how you will troubleshoot connection time out issue of Lambda function. Ask to write a script. Load balancer questions. VPC communication questions , Transit gateways
Round1: Focus on Microservices: 1. Code for Feign Client Interface 2. Code for Rest Template 3. POST API with all annotations and detailed code. 4. Java8 Features Round 2: 1. String s =null; Sout(s); Sout(s.lenght); What would be the output? 2. How do we prevent nullpointer in above scenario? 3. Java8 Program: Return first employee with a salary greater than 100000 . If no such employee exists, then null is returned. 4. Kafka Partitions and Topics. 5. AWS services used? Round 3: Basic HR questioner.
Why did you choose cognizant
CS fundamentals, Cloud based questions
1. Write query to find duplicates 2. Diff bw glue and emr 3. Diff bw Athena and redshift 4. Spark architecture 5. Intro 6. Experience 7. Why use cloud? 8. Why use spark?
How to scale up lambda functions
SQL, ETL basis, Dimension modelling. Implementation of SCD2 and SCD 3 and difference. AWS redshift questions deep down and aws services
1st Round: - Linux commands, In coding challenge - a code to call an API and display the results. 2nd round : - list of activities to perform during CICD and various tools. How you decide the tool for your project when deploying to large scale servers.
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