20+ AWS Solution Architect Interview Questions and Answers

1) R-type instances are used for memory-related works. 2) VPC peering is used to connect two networks in AWS. 3) There are approximately 4.3 billion available IPv4 addresses. 4) You can create multiple subnets in one VPC.

• 1) R-type instances have high memory capacity and are suitable for memory-intensive workloads.

• 2) VPC peering allows you to connect two VPCs in different AWS accounts or regions.

• 3) IPv4 addresses are 32-bit numbers, allowing for approximately 4.3 billion uniqu...read more

The strategy for moving from one cloud to another involves careful planning and execution, with a focus on minimizing downtime and ensuring data security.

• Assess the current cloud environment and identify the reasons for the move

• Evaluate the target cloud provider and ensure compatibility with existing systems

• Develop a migration plan that includes timelines, resource allocation, and risk management

• Test the migration plan in a non-production environment before executing it

• Commun...read more

AWS migration can be done using various tools and services provided by AWS.

• Assess the current infrastructure and identify the components that need to be migrated

• Choose the appropriate migration strategy - rehost, replatform, refactor, repurchase, or retire

• Use AWS services like AWS Database Migration Service, AWS Server Migration Service, AWS Snowball, etc. for data migration

• Use AWS CloudFormation or AWS Elastic Beanstalk for application migration

• Test the migrated components t...read more

A solution architect is responsible for designing and implementing solutions to meet business needs using technology.

• Solution architects analyze requirements and create technical designs.

• They collaborate with stakeholders to understand business goals and constraints.

• They select appropriate technologies and components for the solution.

• Solution architects ensure the solution is scalable, secure, and meets performance requirements.

• They provide guidance and support to development...read more

Cloud computing is the delivery of computing services over the internet.

• Cloud computing allows users to access and use computing resources on-demand.

• It eliminates the need for physical infrastructure and provides scalability and flexibility.

• Examples include AWS, Microsoft Azure, and Google Cloud Platform.

CloudFormation is handled by creating templates to define and provision AWS resources.

• Create templates using JSON or YAML to define resources and dependencies

• Use CloudFormation stack to create, update, or delete resources

• Validate templates before creating stacks

• Use CloudFormation Designer to visualize templates

• Use CloudFormation Change Sets to preview changes before applying them

AWS (Amazon Web Services) is a cloud computing platform that offers a wide range of services for businesses and individuals.

• AWS provides on-demand computing resources such as storage, databases, and virtual servers.

• It allows users to scale their applications and infrastructure easily.

• AWS offers services for data storage, analytics, machine learning, networking, and more.

• Some popular AWS services include Amazon S3, EC2, RDS, Lambda, and DynamoDB.

Stakeholders, technical limitations, budget constraints, and security concerns can challenge the solution.

• Stakeholders such as business users, IT teams, and executives may challenge the solution based on their requirements and expectations.

• Technical limitations like compatibility issues, scalability concerns, and integration challenges can pose obstacles to the solution.

• Budget constraints may limit the resources available for implementing the solution.

• Security concerns such a...read more

I have set up direct connect by configuring a dedicated network connection between on-premises data center and AWS.

• Configured a dedicated network connection between on-premises data center and AWS

• Worked with AWS Direct Connect service to establish a private connection

• Configured virtual interfaces to connect to AWS resources

• Ensured proper routing and security settings for the direct connect setup

To challenge a new Solution Architecture, one must thoroughly analyze its design, identify potential weaknesses, and propose alternative solutions.

• Analyze the current Solution Architecture design thoroughly

• Identify potential weaknesses or limitations in the design

• Propose alternative solutions or improvements

• Consider scalability, security, cost-effectiveness, and performance

• Collaborate with stakeholders to gather feedback and insights

EC2 is a web service that provides resizable compute capacity in the cloud.

• EC2 stands for Elastic Compute Cloud.

• It allows users to rent virtual computers on which they can run their own applications.

• Users can choose from a variety of instance types optimized for different use cases.

• EC2 instances can be launched in multiple regions around the world.

• Users can also configure security and networking settings for their instances.

• EC2 is a core component of AWS and is widely used fo...read more

RDS is a managed relational database service provided by AWS.

• RDS stands for Relational Database Service

• It is a managed service provided by AWS

• It supports various database engines like MySQL, PostgreSQL, Oracle, etc.

• It provides features like automated backups, automatic software patching, and scaling

• I have worked on RDS while setting up a MySQL database for a web application

We solve the hosting problem by leveraging AWS's scalable and flexible cloud infrastructure.

• We can use EC2 instances for hosting applications and websites

• We can use S3 for hosting static content like images and videos

• We can use Elastic Beanstalk for deploying and managing web applications

• We can use Lambda for serverless computing

• We can use RDS for hosting databases

• We can use CloudFront for content delivery and caching

• We can use Route 53 for DNS management

• We can use Auto Scali...read more

Firewall rulebase migration involves assessing existing rules, mapping to AWS security groups, and testing for effectiveness.

• Assess existing firewall rules in on-prem environment

• Map on-prem firewall rules to AWS security groups

• Test migrated firewall rules for effectiveness and security

• Consider using AWS Firewall Manager for centralized management

Landing Zone Architecture is a framework for setting up a secure, multi-account AWS environment.

• It provides a standardized and automated approach to account provisioning and configuration.

• It includes a set of pre-defined best practices for security, compliance, and governance.

• It enables centralized management and monitoring of resources across multiple accounts.

• It can be customized to meet specific organizational needs and requirements.

• Examples of Landing Zone Architecture in...read more

AWS server architecture refers to the design and layout of servers within the AWS cloud infrastructure.

• AWS server architecture typically involves multiple layers of servers for different purposes such as web servers, application servers, and database servers.

• Servers are organized into regions, availability zones, and data centers to ensure high availability and fault tolerance.

• Load balancers are used to distribute incoming traffic across multiple servers for scalability and r...read more

EC2 stands for Elastic Compute Cloud, a web service that provides resizable compute capacity in the cloud.

• EC2 is a core AWS service that allows users to rent virtual machines (instances) on which they can run their own applications.

• Users can choose from a variety of instance types, each with different CPU, memory, storage, and networking capabilities.

• EC2 instances can be launched in multiple regions and availability zones, providing high availability and fault tolerance.

• Users...read more

Build and deploy pipeline is a process of automating the building, testing, and deployment of software.

• The pipeline starts with the source code and ends with the deployment of the application.

• It involves continuous integration, continuous delivery, and continuous deployment.

• Tools like Jenkins, AWS CodePipeline, and GitLab CI/CD are used to create and manage pipelines.

• The pipeline can be customized to include different stages like testing, security checks, and approvals.

• Automa...read more

To create an instance in a running server, follow these steps:

• Log in to the AWS Management Console

• Navigate to the EC2 dashboard

• Click on 'Launch Instance'

• Select the desired AMI and instance type

• Configure instance details, such as network settings and storage

• Review and launch the instance

AWS Database Migration Service is a tool for migrating databases to AWS.

• AWS Database Migration Service (DMS) is a reliable and cost-effective way to migrate databases to AWS.

• DMS supports homogeneous migrations (e.g. Oracle to Oracle) as well as heterogeneous migrations (e.g. Oracle to Amazon Aurora).

• DMS can continuously replicate data changes from the source to the target database during the migration process.

• DMS can be used for one-time migrations or for continuous data repl...read more

IAM stands for Identity and Access Management, it is a service that helps you control who is authenticated and authorized to use AWS resources.

• IAM allows you to manage users, groups, and roles to control access to AWS resources

• It provides granular permissions to resources, allowing you to specify who can access what

• IAM enables you to set up multi-factor authentication for added security

• You can use IAM policies to define permissions for users and resources

• IAM integrates with o...read more

The current environment and support for AWS Solution Architect

• Current environment includes infrastructure, applications, and services being used

• Support refers to resources available for troubleshooting and maintenance

• Examples of support could include ticketing system, monitoring tools, and documentation