Interview Questions and Answers for 'Amazon' | Search Interview Question - javasearch.buggybread.com
Javasearch.buggybread.com

Search Interview Questions


 More than 3000 questions in repository.
 There are more than 900 unanswered questions.
Click here and help us by providing the answer.
 Have a video suggestion.
Click Correct / Improve and please let us know.
Label / Company      Label / Company / Text

   



Interview Questions and Answers - Order By Newest

   next 30
 Q41. What is Amazon S3 ?Amazon Web Services (AWS)
Ans. Amazon Simple Storage Service or S3 is object storage with a simple web service interface to store and retrieve any amount of data from anywhere on the web.

 Help us improve. Please let us know the company, where you were asked this question :   

   Like         Discuss         Correct / Improve     aws  amazon s3  aws s3  aws storage  amazon cloud storage  amazon s3     Asked in 12 Companies

 Q42. What are the types of applications we can create using Elastic Beanstalk ?Amazon Web Services (AWS)
Ans. Web Server and Worker

 Help us improve. Please let us know the company, where you were asked this question :   

   Like         Discuss         Correct / Improve     elastic beanstalk

 Q43. What are the reasons to choose between reserved and on demand instances ?Server
Ans. In terms of compute options and configurations, Reserved Instances and On Demand instances are the same. The only difference between the two is that a Reserved Instance is one you rent (reserved) for a fixed duration, and in return you receive a discount on the base price of an On Demand instance.

 Help us improve. Please let us know the company, where you were asked this question :   

   Like         Discuss         Correct / Improve     aws  aws ec2  aws computing  amazon cloud computing  amazon ec2  production support  Google Cloud Platform (GCP)

 Q44. Can you explain the integration between API Gateway and Lambda if we wish to develop services using these tools.Amazon Web Services (AWS)
Ans. We can create API gateway and give the name of lambda function in order to be linked with lambda function, deploy the API and whenever request will be made from API it will directly be linked to lambda function to perform further process.

 Help us improve. Please let us know the company, where you were asked this question :   

   Like         Discuss         Correct / Improve     aws api gateway  aws lambda  aws serverless computing  amazon cloud serverless computing  amazon lambda

 Q45. What would you do if you see an error thrown by a lambda function as "Access Denied" while doing something with S3 ?Amazon Web Services (AWS)
Ans. Just like people , AWS resources too have execution roles or permissions. Seems like in such a situation Lambda function may not have sufficient privileges to perform operations on S3. For example - The execution role of Lambda may just have read permissions on S3 and we may be trying to perform PutObject operation.

 Help us improve. Please let us know the company, where you were asked this question :   

   Like         Discuss         Correct / Improve     aws s3  aws storage  amazon cloud storage  amazon s3  aws lambda  aws serverless computing  amazon cloud serverless computing  amazon lambda

 Q46. What is the use of Amazon Glacier?Amazon Web Services (AWS)
Ans. Its a storage option provided by AWS which is even cheaper than S3. As the objects are archieved before saving, retrieval time is pretty bad.

 Help us improve. Please let us know the company, where you were asked this question :   

   Like         Discuss         Correct / Improve     aws glacier

 Q47. What is AWS Storage Gateway?Amazon Web Services (AWS)
Ans. It's an on premise virtual appliance that can be used as cache to store s3 locally at customer site.

 Help us improve. Please let us know the company, where you were asked this question :   

   Like         Discuss         Correct / Improve     aws storage gateway

 Q48. What are the drawbacks of using Spot EC2 instances ?Amazon Web Services (AWS)
Ans. 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 spot

 Q49. What is the use case for AWS Gateway cached , stored and VTL ? Amazon Web Services (AWS)
Ans. AWS Cached - Low Availability than AWS Stored, Lower cost than AWS Stored

AWS Stored - High Availability, High Local Storage Cost

AWS VTL - S3 Used as Back up only.


 Help us improve. Please let us know the company, where you were asked this question :   

   Like         Discuss         Correct / Improve     aws gateway  aws gateway cached  aws gateway stored  aws gateway vtl

 Q50. What are the things to consider while provisioning computing in AWS ?Amazon Web Services (AWS)
Ans. Service ( EC2, Lambda etc )
AMI ( Operating System and Softwares )
Instance Type ( T,M, R etc )
EBS ( Volume Type , Size )
Price Class ( OnDemand, Dedicated etc )

 Help us improve. Please let us know the company, where you were asked this question :   

   Like         Discuss         Correct / Improve     aws computing

 Q51. How have you configured Security Groups ?Amazon Web Services (AWS)
Ans. AWS console >> security groups >> Create security group >> Configure security group bases on Network requirement of EC2 instance

 Help us improve. Please let us know the company, where you were asked this question :   

   Like         Discuss         Correct / Improve     aws security group

 Q52. What is a Volume Snapshot ?Amazon Web Services (AWS)
Ans. Snapshots are point in time copies of Volume.

 Help us improve. Please let us know the company, where you were asked this question :   

   Like         Discuss         Correct / Improve     aws ebs  aws ebs volume

 Q53. Which of the Load balancer - Application / Network provides advanced features ? What is the use of other Load Balancer than if one provides advanced feature than other ?Amazon Web Services (AWS)
Ans. Application Load Balancer is high level ( Level 7 Networking Layer ) and provides better features and flexibility than Network Load Balancer ( Level 4 Network Layer )

Network Load Balancer is turn provides better performance as it regulates raw traffic.

 Help us improve. Please let us know the company, where you were asked this question :   

   Like         Discuss         Correct / Improve     aws elb  amazon elb

 Q54. What is the purpose of EC2 Health check ?Amazon Web Services (AWS)
Ans. 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 ec2

 Q55. Difference between EFS and EBS ?Amazon Web Services (AWS)
Ans. Both EFS and EBS are block storage but EBS is reserved storage whereas EFS is On Demand.

 Help us improve. Please let us know the company, where you were asked this question :   

   Like         Discuss         Correct / Improve     aws ebs  aws efs

 Q56. Which AWS computing service provides IAAS, PAAS , Containerization and Serverless ?Amazon Web Services (AWS)
Ans. EC2 is IAAS
Elastic Beanstalk is PAAS
EKS is Containerization service
Lambda is Serverless

 Help us improve. Please let us know the company, where you were asked this question :   

   Like         Discuss         Correct / Improve     IAAS   PAAS    Containerization  Serverless

 Q57. What are the advantages and disadvantages of using Lambda over EC2 ?Amazon Web Services (AWS)
Ans. 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

 Q58. Can we associate a single EFS volume with multiple EC2 instances ?Amazon Web Services (AWS)
Ans. 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 ec2

 Q59. What are the different trigger types in AWS Lambda ?Amazon Web Services (AWS)
Ans. Api Gateway
Alexa
CloudFront
CloudWatch
Code Commit
Kinesis
S3
SNS

 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 trigger

 Q60. Why AWS named the DNS service as Route 53 ?Amazon Web Services (AWS)
Ans. Route is for routing which is the purpose of DNS and Default port for DNS is 53

 Help us improve. Please let us know the company, where you were asked this question :   

   Like         Discuss         Correct / Improve     aws route53

 Q61. What happens to backups if we delete the RDS instance ?Amazon Web Services (AWS)
Ans. Automated Backups are deleted automatically whereas Snapshots are preserved. Upon terminating RDS instance , AWS gives a warning about that and requests to create a final snapshot before terminating the instance.

 Help us improve. Please let us know the company, where you were asked this question :   

   Like         Discuss         Correct / Improve     aws rds  aws database  amazon cloud database

 Q62. Describe best practices with respect to AWS security groups ?Amazon Web Services (AWS)
Ans. Configure it while creating EC2 instance only

 Help us improve. Please let us know the company, where you were asked this question :   

   Like         Discuss         Correct / Improve     aws security groups     Asked in 1 Companies

 Q63. How would you secure EC2, Volume and Snapshots in Cloud ? Amazon Web Services (AWS)
Ans. 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

 Q64. What is mounting in AWS ?Amazon Web Services (AWS)
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 eks

 Q65. Can we have internal or private ELB as origin in cloudfront ?Amazon Web Services (AWS)
Ans. No, it should be public as cloudfront doesn't have a way to access private ELB.

 Help us improve. Please let us know the company, where you were asked this question :   

   Like         Discuss         Correct / Improve     aws elb  amazon elb  aws cloudfront  amazon cloudfront

 Q66. Difference between NAT Instances and NAT GatewayAmazon Web Services (AWS)
Ans. High bandwidth and availability in NAT Gateway
NAT Gateway is completely managed by AWS
NAT Gateway is auto scalable
NAT Instance is just like EC2 instance and hence backed by security group
NAT Instance can be used as bastion host whereas NAT Gateway cannot be.

 Help us improve. Please let us know the company, where you were asked this question :   

   Like         Discuss         Correct / Improve     aws nat instance  aws nat gateway

 Q67. Why would a cloud customer use resources in multiple regions and zones ?Cloud Computing
Ans. 1. Fault Tolerance
2. Better Access by bringing the application closer to the users.

 Help us improve. Please let us know the company, where you were asked this question :   

   Like         Discuss         Correct / Improve     Google Cloud Computing (GCP)  Amazon Web Services (AWS)  Availability Zones  Regions and Zones  Infrastructure

 Q68. What are system integrators in Cloud Computing?Cloud Computing
 This question is still unanswered. Can you please provide an answer.


 Help us improve. Please let us know the company, where you were asked this question :   

   Like         Discuss         Correct / Improve     Amazon Web Services (AWS)   Google Cloud Platform (GCP)

 Q69. Write a program to print the index of the first non repeated character in a java stringCore Java
Ans. public class BuggyBread1{
public static void main (String args[]) {
   String str = "hheello world";
   char[] charArray = str.toCharArray();
   char selectedChar = 'a';
   for(char char1: charArray){
      if(!str.contains(Character.toString(char1).concat(Character.toString(char1)))){
         selectedChar = char1;
         break;
      }
   }
   System.out.println(str.indexOf(Character.toString(selectedChar)));
}
}

 Help us improve. Please let us know the company, where you were asked this question :   

   Like         Discuss         Correct / Improve     string  code  coding     Asked in 9 Companies

 Q70. Difference between TCP and UDP ?Networking
Ans. http://www.cyberciti.biz/faq/key-differences-between-tcp-and-udp-protocols/

 Help us improve. Please let us know the company, where you were asked this question :   

   Like         Discuss         Correct / Improve     java   network programming   architecture   Cloud Computing  Google Cloud Computing (GCP)  Amazon Web Services (AWS)     Asked in 3 Companies

previous 30   next 30

Help us and Others Improve. Please let us know the questions asked in any of your previous interview.

Any input from you will be highly appreciated and It will unlock the application for 10 more requests.

Company Name:
Questions Asked: