Amazon Web Services (AWS) - Interview Questions and Answers for 'Cloud Computing' - 57 question(s) found - Order By Newest Q1. What are the factors on which price classes are based on in case of EC2, S3, CloudFront and EBS ? Amazon Web Services (AWS)
Ans. EC2 - Time and Reservation , Instance Type ( Memory , Computation power )
S3 - Accessibility Frequency , Data Transfer , Storage Space
CloudFront - Geography, No of Locations
EBS - IOPS, Access Frequency 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  aws cloudfront  amazon cloudfront  aws ebsAns. Cloud Computing is a way of using IT infrastructure with following traits -
1. On Demand Infrastructure
2. Broad Network Access
3. Resource Pooling
4. Rapid Elasticity
5. Measured Service Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  google cloud platform (GCP)  Amazon Web Services (AWSAns. Because it gives the ability to provision infrastructure on Demand with No contracts and strings attached. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  Amazon Web Service (AWS)   Google Cloud Platform (GCP) 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 ec2Ans. 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 spotAns. 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 ec2Ans. 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 Q8. 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 Q9. 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 Q10. 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) 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 spotAns. 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 ec2Ans. 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 ec2Ans. 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 ec2Ans. 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 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 Q17. 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 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)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 Ans. Paas - Platform as a service
Iaas - Infrastructure as a service
Saas - Software as a service Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  cloud computing  Amazon Web Service (AWS)  Google Cloud Platform (GCP) Ans. Amazon Elastic Compute Cloud or EC2 provides scalable computing capacity in the AWS cloud. It can be used to create Virtual Environments , storage and configure. EC2 enables to upgrade or downgrade infrastructure according to the rules defined ( with fluctuation in latency, traffic etc ) 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  Elastic Compute Cloud  Amazon Elastic Compute Cloud Asked in 2 Companies Ans. EC2 is elastics compute cloud is one of the amazon service and ec2 instance is one type of virtual server which you create from AMI. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  amazon ec2  aws ec2  aws computing  amazon cloud computing  amazon ec2 Q23. What are some of the vendors providing cloud computing infrastructure ? Server
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  cloud computing Q24. How cloud computing is different than virtualization ? Server
Ans. A Virtualization is software that virtualizes your hardware into multiple machines while Cloud computing is the combination of multiple hardware devices. In Virtualization, a user gets dedicated hardware while in Cloud computing multiple hardware devices provide one login environment for the user. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  cloud computing  virtualization  production support  Google Cloud Platform (GCP) Ans. EC2, EKS, EKC , Lambda 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. You can have reserved capacity with AWS Lambda. This guarantees that this number of concurrent Lambdas are always available for that function. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  aws  aws lambda  aws serverless computing  amazon cloud serverless computing  amazon lambda  aws ec2  aws computing  amazon cloud computing  amazon ec2 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  amazon web service  AzureAns. Depend on its pricing module 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 Q29. What is elasticity in relation to Cloud infrastructure ? Cloud Computing
Ans. The power to scale computing resources up and down easily with minimal friction Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  Amazon Web Service (AWS)  Google Cloud Platform (GCP) Ans. 20 Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve  EC2  aws ec2  aws computing  amazon cloud computing  amazon ec