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Amazon Web Services Interview Questions Preparation Course

We have prepared an excellent course on Amazon Web Services (AWS) interview preparation on Udemy.com. AWS Interview Preparation Course on Udemy.com Amazon Web Service (AWS) is one of the fastest growing field in technology world. This course is designed to

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What are the use cases for Amazon Kinesis Streams?

Amazon Kinesis Streams helps in creating applications that deal with streaming data. Kinesis streams can work with data streams up to terabytes per hour rate. Kinesis streams can handle data from thousands of sources. We can also use Kinesis to

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What is the difference between Amazon SQS and Amazon SNS?

Amazon SQS stands for Simple Queue Service. Whereas, Amazon SNS stands for Simple Notification Service. SQS is used for implementing Messaging Queue solutions in an application. We can decouple the applications in cloud by using SQS. Since all the messages

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What are the different APIs available in Amazon DynamoDB?

Amazon DynamoDB supports both document as well as key based NoSQL databases. Due to this APIs in DynamoDB are generic enough to serve both the types. Some of the main APIs available in DynamoDB are as follows: CreateTable UpdateTable DeleteTable

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When should be use Amazon DynamoDB vs. Amazon S3?

Amazon DynamoDB is used for storing structured data. The data in DynamoDB is also indexed by a primary key for fast access. Reads and writes in DynamoDB have very low latency due to the use SSD. Amazon S3 is mainly

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What is the use of Amazon ElastiCache?

Amazon ElastiCache is mainly used for improving the performance of web applications by caching the information that is frequently accessed. ElastiCache webservice provides very fast access to the information by using in-memory caching. Behind the scenes, ElastiCache supports open source

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What is the basic Data Model in Amazon DynamoDB?

The basic Data Model in Amazon DynamoDB consists of following components: Table: In DynamoDB, a Table is collection of data items. It is similar to a table in a Relational Database. There can be infinite number of items in a

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What is a Serverless application in AWS?

In AWS, we can create applications based on AWS Lambda. These applications are composed of functions that are triggered by an event. These functions are executed by AWS in cloud. But we do not have to specify/buy any instances or

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How will you manage and run a serverless application in AWS?

We can use AWS Serverless Application Model (AWS SAM) to deploy and run a serverless application. AWS SAM is not a server or software. It is just a specification that has to be followed for creating a serverless application. Once

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What is AWS Lambda?

AWS Lambda is a service from Amazon to run a specific piece of code in Amazon cloud, without provisioning any server. So there is no effort involved in administration of servers. In AWS Lambda, we are not charged until our

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