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Ans. Open the AWS CloudFormation console at https://console.aws.amazon.com/cloudformation . Create a new stack by using one of the following options: Choose Create Stack. This is the only option if you have a currently running stack.
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Ans. AWS Identity And Access Management (IAM) is a webservice provided by AWS platform that provides access control capabilities (authentication and authorization) to AWS resources.
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Ans. 1. Fault Tolerance
2. Better Access by bringing the application closer to the users.
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Q9. Which category of services, Amazon Lambda belongs to ?
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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Ans. Source / destination check means that the instance should wither be a source or end destination as a security check. The purpose of NAT Instance is to provide a gateway for internet access and hence this needs to be unchecked.
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Ans. Internet gateway is a public gateway i.e allows direct http access whereas Virtual private gateway doesn't allow direct http access ( through VPN )
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