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
 Q31. What is the use case for "On Demand" EC2 ?Amazon Web Services (AWS)
Ans. If the computation required is Spiky and unpredictable.

If it's first time use.

If the lifespan of the application isn't known.

 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


 Q32. What is the use case for "Spot" EC2 plan ?Amazon Web Services (AWS)
Ans. If the usage is non continuous and have flexible start and End Time. For ex - Analysis , Research , mining etc.

 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 spot


 Q33. What are the different price options available for EC2 ?Amazon Web Services (AWS)
Ans. 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


 Q34. What EC2 configuration would you use if you have to use it for Bitcoin mining ?Amazon Web Services (AWS)
Ans. 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 ec2


 Q35. 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 ec2


 Q36. 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 group


 Q37. Can we deny access for particular IP using Security Groups ?Amazon Web Services (AWS)
Ans. No, We can do that through ACL

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

   Like         Discuss         Correct / Improve     aws security group


 Q38. Difference between S3 and EFS ?Amazon Web Services (AWS)
Ans. S3 is object based whereas EFS is block based.

 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 efs


 Q39. There is a server which is 90% full, I need to increase the space. How can I do it ?Server
Ans. Firstly ,we have removed old backup data from server after that we are checking which user consume high memory through df command.

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

   Like         Discuss         Correct / Improve     server  Amazon Web Service (AWS)  production support     Asked in 1 Companies


  Q40. Write a Program to check if 2 strings are Anagrams ?Core Java
Ans. public void checkIfAnagram(String str1,String str2){
boolean anagram = true;
for(char c:str1.toCharArray()){
if(!str2.contains(String.valueOf(c))){
System.out.println("Strings are Anagrams");
anagram = false;
}

if(anagram == true){
System.out.println("Strings are not Anagrams");
}
}
}

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

   Like         Discuss         Correct / Improve      check if 2 strings are Anagrams     Asked in 30 Companies      basic        frequent


 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


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: