Amazon Services Flashcards
What is Amazon S3?
S3 (Simple Storage Service) is a cloud-based storage service that provides secure, scalable, and reliable storage for data of all types and sizes.
Think of it as a virtual hard drive that you can access from anywhere with an internet connection.
What are the S3 tiers?
- Standard: general purpose, low latency, high performance for frequently accessed data
- Intelligent:Helps reduce cost by moving data across tier based access frequency
- S3 Zone IA: for infrequent accessed data, 20% cheaper than standard IA. (99.5% availability)
What is an EC2 instance?
Amazon EC2 is a cloud-based service that lets you rent virtual servers on which you can run your own applications and software, providing flexibility, scalability, and cost-effectiveness compared to running your own physical servers.
Think of it as a virtual computer that you can control and use just like a physical computer, but without having to worry about the underlying hardware.
What is Amazon Cloudformation?
- Infrastructure as a code
- Templates are written in YAML or JSON
What is Amazon Cloudwatch?
- CloudWatch is a monitoring service that allows you to track metrics, collect and monitor log files, and set alarms.
- Think of it as a tool that helps you keep track of what’s happening in your AWS environment.metrics such as CPU usage
What is Autoscaling?
A feature that allows you to automatically adjust the number of resources (like servers) in your application depending on how much demand there is.
It helps ensure that your application can handle any amount of traffic without running out of resources or becoming too expensive.
What is AWS Trusted Advisor?
Trusted Advisor provides realtime guidance to help you provision your resources following AWS best practices.
What are the five things that AWS Trusted Advisor check?
- Cost Optimization
- Performance
- Security
- Fault Tolerance
- Service Limits
What is AWS Config?
- Configuration of your AWS resources
- Think of it as a tool that helps you keep a record of what’s happening in your AWS environment.
What is Amazon DynamoDB?
- NoSQL database service that allows you to store and retrieve data at any scale, with low latency and high throughput.
- Typically stored in JSON-like, name-value documents.
What is Amazon Route53?
A highly available and scalable DNS service that allows you to manage and route traffic to your internet applications,
What is Amazon Snapshot?
Think: Windows System Restore.
Snapshot is used for recovery, to go back to a point in time.
What is AWS Fargate?
- Serverless compute for containers
- Paas
What is AWS X-Ray?
- Analyze production, troubleshoot performance
- Map of underlying components
What is AWS IAM?
Identity and Access Management:
* securely control access to AWS resources
* Control who is authenticated (signed in) and authorized (permissions)
What is AWS KMS?
Key Management Service
* Encrypt and decrypt data
What is AWS OpsWorks?
- Configuration management for instances of Chef & Puppet
- Automate the deployment and management of applications and infrastructure.
What is AWS Lambda?
- Allows you to run code without having to manage servers or infrastructure.
- Enables you to run code in response to events
What is AWS Inspector?
- Automated security assessments on apps/instances
- Pre/Defined security templates
What is AWS Shield and it’s 2 levels?
- Standard
- basic protection against most common DDoS attacks
- Advanced
- DDOS protection by Shield Response Team (SRT)
What is AWS Aurora?
- Fully managed relational database with MySQL (5x faster) and PostgreSQL (3x faster)
- Amazon’s preference of database
- Replicates data across multiple availability zones (also Redshift)
What is AWS WAF?
- Web application firewall help protect your web applications from SQL injection and other vulnerabilities in your application code.
- Web application firewall monitor HTTP/HTTPS requests
What is Amazon Polly?
- A service that turns text into speech
What is Amazon Rekognition?
- A service that add image analysis to your applications.
