AWS Interview Questions & Answers Complete Sets

Table of Contents

AWS Global Infrastructure


Explain the following

Availability zone
Region
Edge location

IAM


What is IAM? What are some of its features?

Given an example of IAM best practices?

What are Roles?

What are Policies?

A user is unable to access an s3 bucket. What might be the problem?

What should you use to:

Grant access between two services/resources?

Grant user access to resources/services?

What permissions does a new user have?

AWS Compute


What is EC2?

What is AMI?

What are the different source for AMIs?

What is instance type?

What is EBS?

What EC2 pricing models are there?

What are Security Groups?

How to migrate an instance to another availability zone?

What can you attach to an EC2 instance in order to store data?

What EC2 RI types are there?

AWS Serverless Compute

Explain what is AWS Lambda

Which of the following set of languages Lambda supports?

AWS Containers


What is Amazon ECS?

What is Amazon ECR?

What is AWS Fargate?

AWS Storage


Explain what is AWS S3?

What is a bucket?

True or False? A bucket name must be globally unique

Explain folders and objects in regards to buckets

Explain the following:

Object Lifecycles

Object Sharing

Object Versioning

Explain Object Durability and Object Availability

What is a storage class? What storage classes are there?

Glacier Deep Archive

Intelligent-Tiering

What Glacier retrieval options are available for the user?

Explain what is Storage Gateway

Explain the following Storage Gateway deployments types

What is the difference between stored volumes and cached volumes?

What is “Amazon S3 Transfer Acceleration”?

Explain data consistency

Can you host dynamic websites on S3? What about static websites?

What security measures have you taken in context of S3?

What storage options are there for EC2 Instances?

What is Amazon EFS?

What is AWS Snowmobile?

AWS Disaster Recovery

In regards to disaster recovery, what is RTO and RPO?

What types of disaster recovery techniques AWS supports?

Which disaster recovery option has the highest downtime and which has the lowest?

AWS CloudFront

Explain what is CloudFront

Explain the following

Origin
Edge location
Distribution

What delivery methods available for the user with CDN?

What is AWS Snowball?

AWS ELB


What is ELB (Elastic Load Balancing)?

What is auto scaling?

True or False? Auto Scaling is about adding resources (such as instances) and not about removing resource

What types of load balancers are supported in EC2 and what are they used for?

#AWS Security

What is the shared responsibility model? What AWS is responsible for and what the user is responsible for based on the shared responsibility model?

True or False? Based on the shared responsibility model, Amazon is responsible for physical CPUs and security groups on instances

Explain “Shared Controls” in regards to the shared responsibility model

What is the AWS compliance program?

What is AWS Artifact?

What is AWS Inspector?

What is AWS Guarduty?

What is AWS Shield?

What is AWS WAF? Give an example of how it can used and describe what resources or services you can use it with

What AWS VPN is used for?

What is the difference between Site-to-Site VPN and Client VPN?

What is AWS CloudHSM?

True or False? AWS Inspector can perform both network and host assessments

What is AWS Key Management Service (KMS)?

What is AWS Acceptable Use Policy?

What is Amazon Cognito?

What is AWS ACM?

AWS Databases


What is AWS RDS?

What is AWS DynamoDB?

Explain “Point-in-Time Recovery” feature in DynamoDB

Explain “Global Tables” in DynamoDB

What is DynamoDB Accelerator?

What is AWS Redshift and how is it different than RDS?

What do you if you suspect AWS Redshift performs slowly?

What is AWS ElastiCache? For what cases is it used?

What is Amazon Aurora

What is Amazon DocumentDB?

What “AWS Database Migration Service” is used for?

What type of storage is used by Amazon RDS?

Explain Amazon RDS Read Replicas

AWS Networking


What is VPC?

What is an Internet Gateway?

What is an Elastic IP address?

Explain Security Groups and Network ACLs

What is AWS Direct Connect?

AWS – Identify the service or tool


What would you use for automating code/software deployments?

What would you use for easily creating similar AWS environments/resources for different customers?

Using which service, can you add user sign-up, sign-in and access control to mobile and web apps?

Which service would you use for building a website or web application?

Which tool would you use for choosing between Reserved instances or On-Demand instances?

What would you use to check how many unassociated Elastic IP address you have?

Which service allows you to transfer large amounts (Petabytes) of data in and out of the AWS cloud?

Which service provides a virtual network dedicated to your AWS account?

What you would use for having automated backups for an application that has MySQL database layer?

What would you use to migrate on-premise database to AWS?

What would you use to check why certain EC2 instances were terminated?

What would you use for SQL database?

What would you use for NoSQL database?

What would you use for adding image and video analysis to your application?

Which service would you use for debugging and improving performances issues with your applications?

Which service is used for sending notifications?

What would you use for running SQL queries interactively on S3?

Which service would you use for monitoring malicious activity and unauthorized behavior in regards to AWS accounts and workloads?

Which service would you use for centrally manage billing, control access, compliance, and security across multiple AWS accounts?

AWS Organizations


Which service would you use for web application protection?

You would like to monitor some of your resources in the different services. Which service would you use for that?

Which service would you use for performing security assessment?

Which service would you use for creating DNS record?

What would you use if you need a fully managed document database?

Which service would you use to add access control (or sign-up, sign-in forms) to your web/mobile apps?

Which service would you use if you need messaging queue?

Which service would you use if you need managed DDOS protection?

Which service would you use if you need store frequently used data for low latency access?

What would you use to transfer files over long distances between a client and an S3 bucket?

Which service would you use for distributing incoming requests across multiple?

AWS DNS


What is Route 53?

AWS Monitoring & Logging

What is AWS CloudWatch?

What is AWS CloudTrail?

What is Simply Notification Service?

Explain the following in regards to SNS:

Topics
Subscribers
Publishers

AWS Billing & Support


What is AWS Organizations?

What are Service Control Policies and to what service they belong?

Explain AWS pricing model

How one should estimate AWS costs when for example comparing to on-premise solutions?

What basic support in AWS includes?

How are EC2 instances billed?

What AWS Pricing Calculator is used for?

What is Amazon Connect?

What are “APN Consulting Partners”?

What is “AWS Infrastructure Event Management”?

AWS Automation


What is AWS CodeDeploy?

Explain what is CloudFormation

AWS Misc


Which AWS service you have experience with that you think is not very common?

What is AWS CloudSearch?

What is AWS Lightsail?

What is AWS Rekognition?

What AWS Resource Groups used for?

What is AWS Global Accelerator?

What is AWS Config?

What is AWS X-Ray?

What is AWS OpsWorks?

What is AWS Athena?

What is Amazon Cloud Directory?

What is AWS Elastic Beanstalk?

What is AWS SWF?

What is AWS EMR?

What is AWS Quick Starts?

What is the Trusted Advisor?

What is AWS Service Catalog?

What is AWS CAF?

What is AWS Cloud9?

What is AWS Application Discovery Service?

What is the AWS well-architected framework and what pillars it’s based on?

What AWS services are serverless (or have the option to be serverless)?

What is Simple Queue Service (SQS)?

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