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12 Amazon Redshift interview Q&As

Q1. What is Amazon Redshift? A1. Amazon Redshift is a fully managed, petabyte-scale data warehouse service in the cloud. You can start with just a few hundred gigabytes of data and …



18 Amazon S3 interview Q&As

Q01. What is Amazon S3 storage? A01. S3 stands for Simple Storage Service, which provides storage through web service interfaces. Unlike the other storage systems like Unix file system, HDFS (i.e. …



18: Q121 – Q124 Choosing between HDFS & AWS S3 for BigData projects interview Q&As

More and more organisations are adopting the policy of “Cloud first architecture” where Cloud based storages like AWS S3 plays a major role. A data lake is a storage repository that …



21: Q138 – Q142 AWS data lakes overview Interview Q&As

Q138. What are the basic considerations when building a data lake on an AWS platform?
A138.

1. Ingestion into S3 (i.e. Simple Storage Service) from different source systems. E.g. csv/xml/json files …



5 Amazon EMR Vs. Cloudera interview Q&As

Q1. What is Amazon EMR? A1. EMR stands for Elastic Map Reduce, which is an Amazon Web Services (AWS) tool for big data processing and analysis. Amazon EMR offers elastic, cost-effective, …



Amazon Athena, Redshift, Redshift spectrum & EMR Presto Q&As

Q1. What is AWS Athena? What are its capabilities? A1. Amazon Athena is an interactive query service that makes it easy to analyse data in Amazon S3 buckets using standard SQL. …



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