Answer / Ravi Bharti

Yes, you can vertically scale an Amazon EC2 instance by changing its instance type. This involves choosing a new instance type with more or less CPU, memory, storage, or other resources.

Which cloud technology is best?

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What is the major difference between a nacl and a security group.

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If you have half of the workload on public cloud while the other half is on local storage, what kind of architecture will you use for this?

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The application of the should retrieve data from your user’s mobile every five minutes and also the data keep in dynamodb, later on, a daily basis at a specific time the data is extracted into s3 on a per-user basis then your application is later wont to visualize the data to the user. The user is asked to optimize the design of the backend system to lower price, what would you recommend?

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Just give some quick overview about ami comparing to some other example services.

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How can you control the security to your vpc?

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What is object level storage?

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What is aws lambda?

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Can you please explain the difference between on demand and reserved instances?

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What is the maximum size of messages in sqs?

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Can I control if and when mysql based rds instance is upgraded to new supported versions?

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What is ec2 keypair and what is its scope.

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