Amazon Web Services (AWS) - Interview Questions and Answers for 'Amazon cloud computing' - 41 question(s) found - Order By Rating Ans. Attaching Volumes ( EBS / EFS ) on AWS Computing ( EC2, EKS ) Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  aws ebs  aws efs  aws ec2  aws computing  amazon cloud computing  amazon ec2  aws eksAns. Max sessions limit is defined in sshd_config. Default is set to 10 but can be overridden. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  aws ec2  aws computing  amazon cloud computing  amazon ec2 ssh  aws sshAns. Ec2 is a computing service whereas S3 is a object based storage. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  aws ec2  aws computing  amazon cloud computing  amazon ec2  aws s3  aws storage  amazon cloud storage  amazon s3 Asked in 1 Companies Ans. If instances in private subnet need to access internet without exposing the IP address to outside world , we use Nat gateway or nat instance. So there is a direct outbound traffic but not direct inbound traffic. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  aws ec2  aws computing  amazon cloud computing  amazon ec2  nat instancesAns. Adding more security group, it works like a firewall Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  aws ec2  aws computing  amazon cloud computing  amazon ec2  aws ebs volume snapshot Asked in 1 Companies Ans. Computing that would require high network throughput and low latency within a single availability zone. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  aws ec2  aws computing  amazon cloud computing  amazon ec2 placement group  aws placement groupAns. Yes EFS volumes but not EBS Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  aws ec2  aws computing  amazon cloud computing  amazon ec2Ans. Yes Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  aws efs volume  aws ec2  aws computing  amazon cloud computing  amazon ec2Ans. No Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  aws ebs volume  aws ec2  aws computing  amazon cloud computing  amazon ec2Ans. Advantages -
Much Cheaper
Continuous scaling
Higher level and Serverless
Disadvantages -
Warm up time
Limited flexibility in terms of technologies
Limited control Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  aws lambda  aws serverless computing  amazon cloud serverless computing  amazon lambda  aws ec2  aws computing  amazon cloud computing  amazon ec2 Q11. Are you using Auto Scaling for your EC2 instances ? How have you configured Auto scaling policy ? Amazon Web Services (AWS)
Ans. yes, you can create auto scaling policy to set max and min no of instance. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  aws ec2  aws computing  amazon cloud computing  amazon ec2  aws elb  amazon elbAns. We can use this check for variety of things -
1. Monitoring the status / Alarms in case it's down
2. Regulating traffic to healthy instances only through Load Balancer Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  aws ec2  aws computing  amazon cloud computing  amazon ec2Ans. Yes, except Magnetic standard Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  aws ebs volume  aws ec2  aws computing  amazon cloud computing  amazon ec2Ans. No, they need to be local Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  aws ec2  aws computing  amazon cloud computing  amazon ec2  aws ebs Q15. Can a EC2 instance have multiple Security Groups ? Can a single security group be assigned to multiple Ec2 instances ? If either of them is true , doesn't it result in conflict ? Amazon Web Services (AWS)
Ans. We can assign multiple security groups to single instance and we can use single security group with multiple instances.
It never results in conflict as security groups only have allow rules and no deny rules. Multiple security groups for an instance results in union of all rules. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  aws ec2  aws computing  amazon cloud computing  amazon ec2  aws security groupAns. CloudWatch Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  aws ec2  aws computing  amazon cloud computing  amazon ec2  aws cloudwatch  amazon cloudwatchAns. System status check is to check if the power or network is working whereas Instance status check goes further and make sure that traffic is going through. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  aws ec2  aws computing  amazon cloud computing  amazon ec2Ans. Yes Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  aws ec2  aws computing  amazon cloud computing  amazon ec2Ans. public key is used for locking whereas private key is used for unlocking. public key can be used for locking multiple instances and hence can be shared. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  aws ec2  aws computing  amazon cloud computing  amazon ec2Ans. By default, Root volume gets terminated whereas additional volume doesn't. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  aws ebs  aws ebs volume  aws ec2  aws computing  amazon cloud computing  amazon ec2Ans. No Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  aws ec2  aws computing  amazon cloud computing  amazon ec2Ans. T and M Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  aws ec2  aws computing  amazon cloud computing  amazon ec2  aws ec2  aws computing  amazon cloud computing  amazon ec2 instance type Q23. What are the factors on which price classes are based on in case of EC2, S3, CloudFront and EBS ? Amazon Web Services (AWS)
Ans. EC2 - Time and Reservation , Instance Type ( Memory , Computation power )
S3 - Accessibility Frequency , Data Transfer , Storage Space
CloudFront - Geography, No of Locations
EBS - IOPS, Access Frequency Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  aws ec2  aws computing  amazon cloud computing  amazon ec2  aws s3  aws storage  amazon cloud storage  amazon s3  aws cloudfront  amazon cloudfront  aws ebsAns. You cannot reserve the time slot and they can be made to use whenever they are available.
AWS can Terminate the EC2 instance on their own even if it's in use. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  aws ec2  aws computing  amazon cloud computing  amazon ec2  aws ec2  aws computing  amazon cloud computing  amazon ec2 spotAns. F,I,G,H,T,D,R,M,C,P,X Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  aws ec2  aws computing  amazon cloud computing  amazon ec2  aws ec2  aws computing  amazon cloud computing  amazon ec2 instance typeAns. T Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  aws ec2  aws computing  amazon cloud computing  amazon ec2 instance typeAns. R4 Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  aws ec2  aws computing  amazon cloud computing  amazon ec2 Q28. Which AWS services would you use if you have find a cheapest solution for an analytics application ? Amazon Web Services (AWS)
Ans. Computation
Spot Price Plan
F1 or P3 Instance Type
Cold Hdd (SCI ) EBS Volume
Storage
S3-IA Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  aws computation  aws ec2  aws computing  amazon cloud computing  amazon ec2Ans. Keeping Low cost for processing , i would choose
Spot Price Plan
F1 or P3 Instance Type
Cold Hdd (SCI ) EBS Volume Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  aws ec2  aws computing  amazon cloud computing  amazon ec2Ans. On Demand
Reserved
Spot
Dedicated Host Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  aws ec2  aws computing  amazon cloud computing  amazon ec2