The above diagram addresses many of the questions that follow. Q1. What is a VPC in AWS? A1. A virtual private cloud (VPC) is a virtual network dedicated to your…
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Home › Java & Big Data Interview Q&As › ➡ Java interview › 300+ Big Data Interview FAQs › Archive for Big Data – 14: AWS
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02: AWS Identity & Access Management (i.e. IAM) interview Q&As
Q1. What is IAM? A1. IAM stands for Identity & Access Management. AWS Identity and Access Management (IAM) is a web service that helps you securely control access to AWS…
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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…
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15 EC2 instances interview Q&As
Q01. What is an Amazon EC2 Service ? A01. EC2 stands for Elastic Cloud Computing that provides resizable (i.e. scalable) computing capacity in the cloud. You can use Amazon EC2…
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15+ AWS Services overview interview Q&As
Below questions are based on the above diagram, and extends AWS Q&As on VPC, Subnets, Availability Zones, VPN, Route tables, NACLs & Security Groups: Q1. What is the difference between…
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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…
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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…
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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 extracted from source systems, streamed data from source systems via message queues/topics, etc.
2. Catalog & Search ingested data by building a metadata.…
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,…
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Amazon Athena, Redshift, Redshift spectrum & 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…
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800+ Java & Big Data Interview Q&As
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Prepare to go places
Hope this detailed Q&As approach will help you open more doors without feeling stagnated, earn more, attend more interviews & choose from 2-6 job offers. Even you can go contracting or freelancing or change jobs every 2-3 years to expand your horizons. Nobody knows everything, but quality of answers to some of the key & frequently asked Java & Big Data interview questions will go a long way in getting multiple job offers. I often chose from 4-6 offers. It pays to prepare.
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