AWS Interview Questions

 AWS Interview Questions:


1). What is EC2?


2).what is snowball in aws ?


snowball is a service. using this snowball service we can tarnsfer the terrabyte of amount inside and outside into 

the aws environment



first we need to craete the job


next we need to connect to the snowball


copy the data to snowball


your data moved into s3 bucket


3).what is cloudwatch?


4).what is elastic Transcoder?


Elastic Transcoder is an AWS Service Tool that helps you in changing a video’s format and resolution to support various devices like tablets, smartphones, and laptops of different resolutions.


5).what is vpc?

6). DNS and Load Balancer Services come under which type of Cloud Service?


This both services are comes under by IAAS service


7).What are the Storage Classes available in Amazon S3?


8).Explain what t2 instances are into AWS?


T2 Instances are designed to provide moderate baseline performance and the capability to burst to higher performance as required by the workload


9).What are key-pairs in AWS?


10).How many subnets can you have per vpc?


we have 200 subnets per have vpc.


11).what are the different types of cloud ervices?


IAAS

SAAS

PAAS


1Advanced AWS Quetions:


1).explain what is s3 service is ?


S3 stands for Simple Storage Service. You can use the S3 interface to store and retrieve any amount of data, at any time and from anywhere on the web. For S3, the payment model is “pay as you go”.


2).what is DNS ? How to works ?


3).How can you send a request to amazon s3?


Amazon S3 is a REST Service, and you can send a request by using the REST API or the AWS SDK wrapper libraries that wrap the underlying Amazon S3 REST API



4).what does AMI include?


5).what are the different types of inatnaces?


Compute Optimized

Memory-Optimized

Storage Optimized

Accelerated Computing

General Purpose


6).what is the difference between avilibity zone and region into aws?


7).How do you monitor Amazon VPC?


cloudwatch

vpc flow logs


8).what are the different types of ec2 instances based 

on their cost?


9).What do you understand by stopping and terminating the 


ec2 instances ?


10).what are the consistency models for modern db offered


by AWS?


11).what is geo-targeting in cloudfront into aws?


12).what are the advantages of aws IAM ?


AWS IAM enables an administrator to provide granular level access to different users and groups. Different users and user groups may need different levels of access to different resources created. With IAM, you can create roles with specific access-levels and assign the roles to the users. 


federated access:


Its allows you to craete the access for resources and aws

aws applications without creating any user roles .

that what it is called as the federated access



13).what do you understand by a security group into aws?

14).What are Spot Instances and On-Demand Instances?

15).Explain Connection Draining into aws environment ?


16).What is a Stateful and a Stateless Firewall?


A Stateful Firewall is the one that maintains the state of the rules defined. 

It requires you to define only inbound rules.

 Based on the inbound rules defined, it automatically allows the outbound traffic to flow. 


On the other hand, a Stateless Firewall requires you to explicitly 

define rules for inbound as well as outbound traffic. 


For example, if you allow inbound traffic from Port 80, a 

Stateful Firewall will allow outbound traffic to Port 80, 

but a Stateless Firewall will not do so


17).What is a Power User Access in AWS?


An Administrator User will be similar to the owner of the AWS Resources. 

He can create, delete, modify or view the resources and also grant permissions to other users for the AWS Resources.


A Power User Access provides Administrator Access without the capability to manage the users and permissions. 

In other words, a user with Power User Access can create, delete, modify or see the resources, 

but he cannot grant permissions to other users.


18).What is an Instance Store Volume and an EBS Volume?


19).What are Recovery Time Objective and Recovery Point Objective in AWS?


20).Is there a way to upload a file that is greater than 100 Megabytes in Amazon S3?

21).Can you change the Private IP Address of an EC2 instance while it is running or in a stopped state?


22).What is the use of lifecycle hooks is Autoscaling?

Lifecycle hooks are used for Auto-scaling to put an additional wait time to a scale-in or a scale-out event.


23).What are the policies that you can set for your user’s passwords?


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