Interview Questions and Answers - Order By Newest Ans. 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. If we would like a program to be executed if someone commits code to the repository. 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 Q1833. Why serverless is called serverless if there are actually servers serving the requests ? Infrastructure
Ans. Because Vendors need not worry about provisioning , managing and maintaining the servers and it's intrinsically taken care of by AWS. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  Amazon Web Services (AWS)  aws serverless  aws lambda  aws serverless computing  amazon cloud serverless computing  amazon lambdaAns. It's a service to convert text to speech. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  aws pollyAns. No, We need to de register it first. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  aws ebs snapshot  aws ebs volume snapshot  aws ami  amazon amiAns. 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. Multi AZ RDS is for disaster recovery and failover whereas Read replicas are for scaling. 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 multi az  aws rds  aws database  amazon cloud database read replicaAns. 5 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  aws rds  aws database  amazon cloud database read replicaAns. Fast reads
Much more reads than writes Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  aws dynamodb  aws nosql database  amazon cloud nosql databaseAns. Latency Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  aws route53 policyAns. VPC stands for Virtual Private Cloud. You can define a VPC and subnets for a region in AWS and that can be used to access shared resources on the cloud. For eg: API gateway to access any file on S3. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  aws vpc  aws subnets Asked in 3 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. Eventual consistency
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 Asked in 1 Companies This question was recently asked at 'Amazon'.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 Asked in 1 Companies Ans. 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 Q1846. A company is planning to store documents in AWS storage, their requirement is initially when they store any documents they need to be available readily to download and after 15 days documents need not be readily available to download. Which type of storage will you choose? Amazon Web Services (AWS)
Ans. S3 standard, and then to Glacier. 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 glacier Q1847. create an SQL query across multiple tables involving outer joins Database
Ans. Select * from table1 t1Left outer join table2 t2 on t1.tid = t2.id Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  sql query  database  outer joins Asked in 2 Companies Ans. 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. Default VPC is provided by AWS whereas custom VPC needs to be created.
All subnets in default VPC have internet access whereas it's specified by user in Custom VPC. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  aws vpc   aws default vs custom vpc Q1850. Write a Program to print all nodes of the data structure ? Algorithm
This question was recently asked at 'Overstock.com'.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  data structure  algorithm Asked in 1 Companies Q1851. Which programming language you hate the most and Why ? General
This question was recently asked at 'Thomson Reuters'.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   Asked in 1 Companies Ans. We are using Yaml for initializing configuration and Environment Variables for overriding them. 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 Q1853. Which is a better way to keep environment specific configuration in AWS Lambda - Environment Variables or external service like S3 or RDS ? Amazon Web Services (AWS)
Ans. Possible Answer - Env variable or use parameter store 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 lambdaAns. No Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  aws dynamodb  aws nosql database  amazon cloud nosql databaseAns. No. They are never inherited and therefore are not subject to hiding or overriding. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  constructor  final  final constructor Asked in 1 Companies Q1856. Can a constructor be declared static ? Why ? Core Java
Ans. No.
When we declare a method static, it means that "this belongs to class as whole and not particular instance". The whole purpose of constructor is to initialize a object and hence there is no sense having static constructor. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  constructor  static  static constructor Asked in 1 Companies Q1857. How can we take snapshots and track changes to environment variables in Elastic Beanstalk or Lambda ? Amazon Web Services (AWS)
Ans. We can use AWS Config Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  aws elastic beanstalk  amazon elastic beanstalk  aws lambda  aws serverless computing  amazon cloud serverless computing  amazon lambda Q1858. If you are asked to develop a financial system, how would you make sure that there are proper checks , balances and audits ? Solution
This question was recently asked at 'BzzAgent'.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  Design  Security Asked in 1 Companies Q1859. How can you prove your honesty ? General
This question was recently asked at 'Gallup'.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   Asked in 1 Companies Q1860. Which maven commands you usually work with ? Maven
This question was recently asked at 'Akvelon'.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  maven Asked in 1 Companies