TCS AWS INTERVIEW QUESTIONS

Here is the list of AWS Interview Questions which are recently asked in TCS company. These questions are included for both Freshers and Experienced professionals.

1. What is auto-scaling?

Amazon EC2 Auto Scaling helps to identify unhealthy instances by performing health checks along with replacing impaired instances automatically and terminate instances using difficult times.

2. What are the different types of cloud services?

The three main service models of cloud computing are

Infrastructure as a Service (IaaS),
Platform as a Service (PaaS)
Software as a Service (SaaS).

3. What is Amazon S3?

Amazon Simple Storage Service (Amazon S3) is storage service that offers effective performance with durability to store data all around the world.

4. What is SimpleDB?

Amazon Simple DB is a NoSQL data store that helps in database administration along with service charges for consumed resources to store data, serve requests with change in data model can be done at any time.

5. What is an AMI?

AMI stands for Area Median Income which is the combined average household income for the full New York .AMI is calculated using the household size and household income.

6. What is the type of architecture, where half of the workload is on the public load while at the same time half of it is on the local storage?

Hybrid cloud architecture is used when half of the workload is on the public load while at the same time half of it is on the local storage.

7. Can I vertically scale an Amazon instance? How do you do it?

Amazon instances can be scaled vertically by increasing the EC2 instances capacity to the growing demands of the application. Scaling can be done by adding more power (CPU, RAM) to an existing machine.

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8. How can you send request to Amazon S3?

We can send requests to Amazon S3 using the REST API or the AWS SDK with wrapper libraries and to simplify the programming tasks. Amazon S3 interactions are either authenticated or anonymous.

9. How many buckets can be create in AWS by default?

100 buckets can be created in each AWS account and can be increased based on user requirements.

10. Should encryption be used for S3?

Encryption can be used by sending requests to Amazon S3 using the REST API or the AWS SDK with wrapper libraries to simplify the programming tasks.

11. What are the various AMI design options?

The AMIs include minimal configurations and software before dynamically installing the required packages. This leads to proper bootstrapping all the instances using simple and flexible before functions are intended.

12. What is Geo Restriction in CloudFront?

Geo Restriction is a new feature to restrict access to content on the basis of geographic location of the viewers. The content can be delivered by choosing the countries using Geo Restriction.

13. Explain what is T2 instances?

T2 instance is a General Purpose instance type for the workloads that helps to provide a baseline level of CPU performance without using CPU utilization but bursts above the baseline to higher CPU performance.

14. What is AWS Lambda?

Lambda is a compute service that helps in code running and runs functions without managing servers only when needed from a few requests per day to thousands per second.

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TCS AWS INTERVIEW QUESTIONS