Amazon Web Services (AWS) - Interview Questions and Answers for 'Aws s3' | Search Interview Question

Interview Questions and Answers - Order By Rating

Q31. Can we make objects public in a bucket which is not public ?

Amazon Web Services (AWS)

Ans. No

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}

Q32. What is the default visibility of buckets and objects when they are uploaded in S3 ?

Amazon Web Services (AWS)

Ans. private

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}

Q33. What kind of Access Policy should be kept on S3 Buckets and Policy ?

Amazon Web Services (AWS)

Ans. We should only allow access that's needed. So the security Policy should be as restrictive as possible.

Buckets and Files should never be made public unless until they are needed it to be like that.

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}

Q34. What status code is returned upon successful upload in S3 ?

Amazon Web Services (AWS)

Ans. 200

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}

Q35. What are the different ways to secure objects in S3 ?

Amazon Web Services (AWS)

Ans. Encryption - In Transit , Client Side , Server Side
Restrictive Access - ACL , Bucket Policy

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}

Q36. Can we host a website in S3 ?

Amazon Web Services (AWS)

Ans. Yes a static website can be hosted in S3.

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}

Q37. What are the factors on which customers are charged for using S3 ?

Amazon Web Services (AWS)

Ans. Storage Tier ( IA , Standard , Glacier etc )
Storage ( Volume of Data )
No of Requests
Meta Data
Data Transfer Speed acceleration through cache and Edge Location

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}

Q38. What are the different S3 storage Tiers ?

Amazon Web Services (AWS)

Ans. S3 Standard
S3 IA - Infrequently Accessed
S3 One Zone IA - One Zone only , Infrequently Accessed
S3 Glacier - achieved

S3 Standard is most expensive , Glacier is least expensive

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}

Q39. Within AWS S3, Why new files are available immediately for read operation but not the updates ?

Amazon Web Services (AWS)

Ans. Because new files will be fed from where ever they are first available but AWS have no way to identify which is the most updated version among the various regions. The updated version can only be assured once the replication to all availability zones is complete.

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}

Q40. What is the maximum size of a file in S3 ?

Amazon Web Services (AWS)

Ans. 5 TB

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}

Q41. Difference between S3 bucket and Folder ?

Amazon Web Services (AWS)

Ans. Bucket is the highest level folder whose name should be unique globally.

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 s3 bucket}

Q42. What are the different types of actions in Object Lifecycle Management in Amazon S3?

Amazon Web Services (AWS)

^{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 aws s3 aws storage amazon cloud storage amazon s3}

Q43. Can we do Cross Region replication in Amazon S3 without enabling versioning on a bucket?

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 s3 aws storage amazon cloud storage amazon s3}

Q44. How will you upload a file greater than 100 megabytes in Amazon S3?

Amazon Web Services (AWS)

Ans. AWS now allows file upto 5GB in S3

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}

Q45. What is the scale of durability in Amazon S3?

Amazon Web Services (AWS)

Ans. 99.999999999%

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}

Q46. What is the objective of enabling versioning on a s3 bucket ?

Amazon Web Services (AWS)

Ans. So that it doesn't overwrite the existing file with the same name and maintain versioning of it.

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

_{Like Discuss Correct / Improve AWS S3}

Q47. How can we make an S3 file public through Java program ?

Amazon Web Services (AWS)

Ans. We can get the object and then can set CannedAcl property as "PublicRead"

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}

Q48. Can making the S3 bucket public ,makes all objects / files inside as public too ?

Amazon Web Services (AWS)

^{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 aws s3 aws storage amazon cloud storage amazon s3}

Q49. 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}

Q50. 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}

Search Interview Questions

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