Infrastructure - Interview Questions and Answers for 'Amazon Web Service (AWS)' | Search Interview Question

Infrastructure - Interview Questions and Answers for 'Amazon Web Service (AWS)' - 11 question(s) found - Order By Rating

Q1. How does cloud computing helps saves cost ?

Cloud Computing

Ans. Cloud computing helps saving overall cost for infrastructure and service usage through following -

1. On demand Services and elasticity - You only pay for what you use. Less Ideal time.

2. Resource Pooling

3. Self Service - Less involvement of human resources

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Q2. What is the maximum limit of domain supported by Route 53 ?

Amazon Web Service (AWS)

^{This question was recently asked at 'IBM'.This question is still unanswered. Can you please provide an answer.}

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Q3. How can we create custom AMI ?

Amazon Web Service (AWS)

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Q4. There is a server which is 90% full, I need to increase the space. How can I do it ?

Server

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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Q5. What type of consistency does Amazon S3 provides ?

Amazon Web Service (AWS)

Ans. Eventual consistency

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Q6. Difference between Containerization and Serverless ?

Infrastructure

Ans. Following are key differences between containers and serverless:

Supported host environments: Containers can run on any modern Linux server, as well as certain versions of Windows. In contrast, serverless runs on specific host platforms, most of which are based in the public cloud (like AWS Lambda or Azure Functions).

Self-servicing ability. For the reasons just noted, in most cases, serverless functions require you to use a public cloud. (There are on-premises serverless frameworks, like Fn, but these are not yet widely used.) With containers, you can set up your own on-premises host environment, or use a public cloud service like ECS.

Cost. Because serverless environments are hosted in the cloud, you have to pay to use them. In contrast, you can set up a container environment yourself using open source code for free (although you’ll still have management costs, of course).

Supported languages. You can containerize an application written in any type of language as long as the host server supports the language. Serverless frameworks are different; they support a limited number of languages. The details of supported serverless language vary from serverless platform to platform.

Statefulness. Most serverless platforms are designed to support stateless workloads. (Some serverless providers offer limited support for stateful services; cf. Durable Functions on Azure.) Although you can connect to external storage services (like S3 on AWS) from within serverless platforms, the functions themselves cannot be stateful. Containers present their own persistent storage challenges, but creating stateful containerized apps is certainly possible.

Availability. Serverless functions are designed to run for a short period—usually, a few hundred seconds—before they shut down. Containers can run for as long as you need.

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Q7. Difference between Object based and Block based storage ?

Infrastructure

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Q8. Why is cloud infrastructure so powerful ?

Cloud Computing

Ans. Because it gives the ability to provision infrastructure on Demand with No contracts and strings attached.

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Q9. What is elasticity in relation to Cloud infrastructure ?

Cloud Computing

Ans. The power to scale computing resources up and down easily with minimal friction

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Q10. What is Bastion host ?

Infrastructure

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Q11. What are the different layers of cloud computing ?

Infrastructure

Ans. Paas - Platform as a service
Iaas - Infrastructure as a service
Saas - Software as a service

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