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 Q2611. How can EBS Volumes be backed up ?Amazon Web Services (AWS)
Ans. Through Snapshots

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   Like         Discuss         Correct / Improve     aws ebs  aws volumes  aws computation


 Q2612. Which is the default AWS Region ?Amazon Web Services (AWS)
Ans. US-EAST-1

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 Q2613. Use Case for S3 RRS ?Amazon Web Services (AWS)
Ans. If Back up is not needed and can be restored from another storage.

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 Q2614. What is the name of DNS service provided by AWS ?Amazon Web Services (AWS)
Ans. Route 53

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   Like         Discuss         Correct / Improve     AWS DNS  aws Route 53     Asked in 4 Companies


 Q2615. Difference between List and ArrayList ?Core Java
Ans. List is an interface whereas ArrayList is an implementation of List.

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   Like         Discuss         Correct / Improve     list  arraylist  list vs arraylist  difference between  collections     Asked in 2 Companies      basic


 Q2616. Does attached EBS volume get deleted if we terminate EC2 instance ?Amazon Web Services (AWS)
Ans. By default, Root volume gets terminated whereas additional volume doesn't.

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   Like         Discuss         Correct / Improve     aws ebs  aws ebs volume  aws ec2  aws computing  amazon cloud computing  amazon ec2


 Q2617. What is a volume in AWS ?Amazon Web Services (AWS)
Ans. It's a virtual hard disk that is attached to computing.

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 Q2618. Difference between EC2 instance public and private key ?Amazon Web Services (AWS)
Ans. 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.

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   Like         Discuss         Correct / Improve     aws ec2  aws computing  amazon cloud computing  amazon ec2


 Q2619. Can we protect EC2 instances from terminating accidentally ?Amazon Web Services (AWS)
Ans. Yes

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 Q2620. What is the difference between EC2 System status check and Instance status check ?Amazon Web Services (AWS)
Ans. 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.

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 Q2621. Which AWS service can be used to monitor EC2 ?Amazon Web Services (AWS)
Ans. CloudWatch

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 Q2622. Can EBS Volume be encrypted ?Amazon Web Services (AWS)
Ans. Yes but not the root volume of default AMIs.

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 Q2623. Difference between AWS Root and Additional Volume ?Amazon Web Services (AWS)
Ans. Root Volume is the primary volume used for installing operating system whereas Additional volume is just additional disk space.

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 Q2624. Can we use magnetic storage as Root Volume ?Amazon Web Services (AWS)
Ans. Yes , but only Magnetic standard.

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 Q2625. Can we have EC2 and EBS in different availability zones or regions ?Amazon Web Services (AWS)
Ans. No, they need to be local

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   Like         Discuss         Correct / Improve     aws ec2  aws computing  amazon cloud computing  amazon ec2  aws ebs


 Q2626. Can we modify volume while attached EC2 is running ?Amazon Web Services (AWS)
Ans. Yes, except Magnetic standard

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 Q2627. Can we move volumes across regions or availability zones ?Amazon Web Services (AWS)
Ans. Yes, We can do that through snapshots and AMI

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 Q2628. Can we create an AMI using volumes ?Amazon Web Services (AWS)
Ans. Yes , We can create snapshots with Volumes and then AMIs with Snapshots.

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   Like         Discuss         Correct / Improve     aws ami  amazon ami


 Q2629. Where are snapshots internally stored by AWS ?Amazon Web Services (AWS)
Ans. In S3

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 Q2630. How can we create our own AMI ?Amazon Web Services (AWS)
Ans. Volume -> Snapshot -> AMI

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 Q2631. Can we create AMI with encrypted snapshots ?Amazon Web Services (AWS)
Ans. No they need to be unencrypted before an AMI is created.

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 Q2632. Difference between AMI EBS based and AMI Instance Store based ?Amazon Web Services (AWS)
 This question is still unanswered. Can you please provide an answer.


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 Q2633. Explain difference between web-based application and Core Java Application ?Java
 This question was recently asked at 'Tripod'.This question is still unanswered. Can you please provide an answer.


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   Like         Discuss         Correct / Improve          Asked in 1 Companies


 Q2634. How would you securely migrate a database to RDS?Amazon Web Services (AWS)
 This question was recently asked at 'Cognizant (C?TS),Overstock'.This question is still unanswered. Can you please provide an answer.


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   Like         Discuss         Correct / Improve     aws rds  aws database  amazon cloud database     Asked in 2 Companies


 Q2635. What are the different types of AWS Load Balancers ?Amazon Web Services (AWS)
Ans. Application , Network and Classic

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   Like         Discuss         Correct / Improve     aws elb  amazon elb


 Q2636. Difference between internal and external Load Balancer ?Amazon Web Services (AWS)
Ans. Internal Load balancer is used for services which are for internal consumption only and hence doesn't need to direct Web traffic.

External Load balancers are for regulating web traffic.

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   Like         Discuss         Correct / Improve     aws elb  amazon elb


 Q2637. Are CloudWatch metrics available with free tier ?Amazon Web Services (AWS)
Ans. Only Basic not advanced

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 Q2638. What are the Default metrics available for EC2 in CloudWatch ?Amazon Web Services (AWS)
Ans. CPU, Disk, Network, Status

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 Q2639. How frequently Cloudwatch monitor AWS services for generating metrics ?Amazon Web Services (AWS)
Ans. 5 mins for Standard / Basic
1 min for Detailed / advanced

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 Q2640. Difference between CloudWatch and CloudTrail ?Amazon Web Services (AWS)
Ans. CloudWatch is for monitoring resources whereas CloudTrail is for auditing activity.

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