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Amazon Web Services (AWS) - Interview Questions and Answers for 'Aws computing' - 42 question(s) found - Order By Newest | ||||
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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 | ||||
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Ans. If the computation required is Spiky and unpredictable. If it's first time use. If the lifespan of the application isn't known. | ||||
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Ans. If the usage is non continuous and have flexible start and End Time. For ex - Analysis , Research , mining etc. | ||||
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Ans. On Demand Reserved Spot Dedicated Host | ||||
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Ans. Keeping Low cost for processing , i would choose Spot Price Plan F1 or P3 Instance Type Cold Hdd (SCI ) EBS Volume | ||||
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Ans. Computation Spot Price Plan F1 or P3 Instance Type Cold Hdd (SCI ) EBS Volume Storage S3-IA | ||||
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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. | ||||
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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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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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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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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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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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Ans. Yes | ||||
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Ans. Adding more security group, it works like a firewall | ||||
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Ans. Attaching Volumes ( EBS / EFS ) on AWS Computing ( EC2, EKS ) | ||||
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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 ) | ||||
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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. | ||||
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Ans. EC2, EKS, EKC , Lambda | ||||
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Ans. You can have reserved capacity with AWS Lambda. This guarantees that this number of concurrent Lambdas are always available for that function. | ||||
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Ans. Depend on its pricing module | ||||
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Ans. 20 | ||||
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Ans. If the usage is continuous , stable and predictable. | ||||
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Ans. If there are regulatory requirements, or proprietary license to be used. | ||||
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Ans. R4 | ||||
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Ans. T | ||||
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Ans. F,I,G,H,T,D,R,M,C,P,X | ||||
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Ans. T and M | ||||
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Ans. No | ||||
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Ans. By default, Root volume gets terminated whereas additional volume doesn't. | ||||
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Ans. public key is used for locking whereas private key is used for unlocking. public key can be used for locking multiple instances and hence can be shared. | ||||
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