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Interview Questions and Answers - Order By Newest | ||||
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Ans. No, We can do that through ACL | ||||
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Like Discuss Correct / Improve  aws security group | ||||
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Ans. S3 is object based whereas EFS is block based. | ||||
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Like Discuss Correct / Improve  aws s3  aws storage  amazon cloud storage  amazon s3  aws efs | ||||
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Ans. Firstly ,we have removed old backup data from server after that we are checking which user consume high memory through df command. | ||||
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Like Discuss Correct / Improve  server  Amazon Web Service (AWS)  production support Asked in 1 Companies | ||||
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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. | ||||
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Like Discuss Correct / Improve  aws  amazon s3  aws s3  aws storage  amazon cloud storage  amazon s3 Asked in 12 Companies | ||||
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Ans. Web Server and Worker | ||||
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Like Discuss Correct / Improve  elastic beanstalk | ||||
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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. | ||||
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Like Discuss Correct / Improve  aws  aws ec2  aws computing  amazon cloud computing  amazon ec2  production support  Google Cloud Platform (GCP) | ||||
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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. | ||||
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Like Discuss Correct / Improve  aws api gateway  aws lambda  aws serverless computing  amazon cloud serverless computing  amazon lambda | ||||
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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. | ||||
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Like Discuss Correct / Improve  aws s3  aws storage  amazon cloud storage  amazon s3  aws lambda  aws serverless computing  amazon cloud serverless computing  amazon lambda | ||||
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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. | ||||
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Like Discuss Correct / Improve  aws glacier | ||||
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Ans. It's an on premise virtual appliance that can be used as cache to store s3 locally at customer site. | ||||
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Like Discuss Correct / Improve  aws storage gateway | ||||
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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. | ||||
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Like Discuss Correct / Improve  aws ec2  aws computing  amazon cloud computing  amazon ec2  aws ec2  aws computing  amazon cloud computing  amazon ec2 spot | ||||
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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. | ||||
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Like Discuss Correct / Improve  aws gateway  aws gateway cached  aws gateway stored  aws gateway vtl | ||||
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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 ) | ||||
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Like Discuss Correct / Improve  aws computing | ||||
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Ans. AWS console >> security groups >> Create security group >> Configure security group bases on Network requirement of EC2 instance | ||||
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Like Discuss Correct / Improve  aws security group | ||||
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Ans. Snapshots are point in time copies of Volume. | ||||
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Like Discuss Correct / Improve  aws ebs  aws ebs volume | ||||
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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. | ||||
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Like Discuss Correct / Improve  aws elb  amazon elb | ||||
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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 | ||||
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Like Discuss Correct / Improve  aws ec2  aws computing  amazon cloud computing  amazon ec2 | ||||
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Ans. Both EFS and EBS are block storage but EBS is reserved storage whereas EFS is On Demand. | ||||
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Like Discuss Correct / Improve  aws ebs  aws efs | ||||
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Ans. EC2 is IAAS Elastic Beanstalk is PAAS EKS is Containerization service Lambda is Serverless | ||||
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Like Discuss Correct / Improve  IAAS   PAAS   Containerization  Serverless | ||||
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Ans. Advantages - Much Cheaper Continuous scaling Higher level and Serverless Disadvantages - Warm up time Limited flexibility in terms of technologies Limited control | ||||
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Like Discuss Correct / Improve  aws lambda  aws serverless computing  amazon cloud serverless computing  amazon lambda  aws ec2  aws computing  amazon cloud computing  amazon ec2 | ||||
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Ans. Yes | ||||
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Like Discuss Correct / Improve  aws efs volume  aws ec2  aws computing  amazon cloud computing  amazon ec2 | ||||
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Ans. Api Gateway Alexa CloudFront CloudWatch Code Commit Kinesis S3 SNS | ||||
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Like Discuss Correct / Improve  aws lambda  aws serverless computing  amazon cloud serverless computing  amazon lambda trigger | ||||
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Ans. Route is for routing which is the purpose of DNS and Default port for DNS is 53 | ||||
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Like Discuss Correct / Improve  aws route53 | ||||
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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. | ||||
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Like Discuss Correct / Improve  aws rds  aws database  amazon cloud database | ||||
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Ans. Configure it while creating EC2 instance only | ||||
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Like Discuss Correct / Improve  aws security groups Asked in 1 Companies | ||||
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Ans. Adding more security group, it works like a firewall | ||||
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Like Discuss Correct / Improve  aws ec2  aws computing  amazon cloud computing  amazon ec2  aws ebs volume snapshot Asked in 1 Companies | ||||
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Ans. Attaching Volumes ( EBS / EFS ) on AWS Computing ( EC2, EKS ) | ||||
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Like Discuss Correct / Improve  aws ebs  aws efs  aws ec2  aws computing  amazon cloud computing  amazon ec2  aws eks | ||||
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Ans. No, it should be public as cloudfront doesn't have a way to access private ELB. | ||||
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Like Discuss Correct / Improve  aws elb  amazon elb  aws cloudfront  amazon cloudfront | ||||
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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. | ||||
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Like Discuss Correct / Improve  aws nat instance  aws nat gateway | ||||
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Ans. 1. Fault Tolerance 2. Better Access by bringing the application closer to the users. | ||||
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Like Discuss Correct / Improve  Google Cloud Computing (GCP)  Amazon Web Services (AWS)  Availability Zones  Regions and Zones  Infrastructure | ||||