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AWS and Linux Interview Questions || Questions asked in Real Time Interview

AWS and Linux Interview Questions || Questions asked in Real Time Interview Questions by Subscribers How many AWS account do you handle? What to say for such question ? How to change user from one group to other what if ELB goes down and what is the solution Managed Services || Pre-Warming Can we attach S3 to ec2 instance if not then why ? EFS what is the command of clear the disk space in Linux/CentOs If CPU goes above of set threshold, what could be the reason and what should be the troubleshoot action ? 1. How to check Disk read and write bytes what is the command ? 1:- how to connect 10 VPC in different region 2:- how to distribute application load in different region 3:- how to monitor 10 aws account in one central account 4:- we created one auto scaling with the help of AMI ,after creating AMI then devlover put code of particular that instance how to use code . Create Latest AMI and Update in Autoscaling Group Script to fetch latest charges from GIT or S3 at the time of Instance startup. how many web servers are available in the target group ? Load testing kindly explain exact difference between RI , spot and dedicated instance.? If we are terminating SSL certificate on servers, then should we have one SSL certificate on each server? what to answer if interviewer asked what challenges faced by you while working on AWS. please list few How can I run multiple jobs at a time? Crontab You said horizontal scaling is not recommended. But for a scalable system, isn't horizontal scaling the best? What all services of AWS do you use? How do you suggest your customer to select EC2 instance?