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01: AWS interview Q&As on VPC, Subnets, Availability Zones, VPN, Route tables, NACLs & Security Groups

This extends Architecture Networking. 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 AWS account. It is logically isolated from other virtual networks in the AWS Cloud. You can…

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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 resources. You use IAM to control who is authenticated (i.e. signed in) and authorized (i.e. has permissions) to access resources…

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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 to launch as many virtual servers as you need. In EC2 you can configure security and networking as well as…

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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 CloudWatch & CloudTrail? A1. Both provide logging capabilities. CloudTrail is for logging “Who did what?” within your account for compliance,…

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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 (i.e. Hadoop Distributed File System), etc which are based on having folders and files, the S3 is based on a…

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Java Developer & Architect Q&As

Big Data Engineer & Architect Q&As

16+ Key Areas & 13+ Techs to fast-track