Friday, February 3, 2023

AWS interview questions

AWS Cloud


1. Define and explain the three basic types of cloud services and the AWS products that are built based on them?

The three basic types of cloud services are:

·       Computing

·       Storage

·       Networking

Here are some of the AWS products that are built based on the three cloud service types:

 

Computing - These include EC2, Elastic Beanstalk, Lambda, Auto-Scaling, and Lightsat.

Storage - These include S3, Glacier, Elastic Block Storage, Elastic File System.

Networking - These include VPC, Amazon CloudFront, Route53

 

2. What is the relation between the Availability Zone and Region?

AWS regions are separate geographical areas, like the US-West 1 (North California) and Asia South (Mumbai). On the other hand, availability zones are the areas that are present inside the regions. These are generally isolated zones that can replicate themselves whenever required.

 

3. What is Cross Region Replication?

Cross Region Replication is a service available in aws that enables to replicate the data from one bucket to another bucket which could be in a same or different region. It provides asynchronous copying of objects, i.e., objects are not copied immediately.

 

4. What are edge locations in aws?

Edge locations are the endpoints in aws used for caching content.

 

5. What offerings may be used to create a centralized logging solution?

The crucial offerings that you could use are Amazon CloudWatch Logs, and keep them in Amazon S3, after which use Amazon Elastic Search to visualize them. You can use Amazon Kinesis Firehose to transport the information from Amazon S3 to Amazon ElasticSearch.

 


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