| 1 | What is Amazon RDS and what benefits does it provide over managing a database server yourself on EC2? AWS › RDS & Databases | AWS | RDS & Databases | Beginner |
| 2 | What is Multi-AZ deployment in RDS, and how does it improve database availability? AWS › RDS & Databases | AWS | RDS & Databases | Beginner |
| 3 | What is the difference between an RDS read replica and a Multi-AZ standby instance, and when should you use each? AWS › RDS & Databases | AWS | RDS & Databases | Intermediate |
| 4 | What is Amazon Aurora, and how does it differ from standard RDS MySQL or PostgreSQL in terms of performance and architecture? AWS › RDS & Databases | AWS | RDS & Databases | Intermediate |
| 5 | How does automated backup and point in time recovery work in RDS, and what recovery options does it provide? AWS › RDS & Databases | AWS | RDS & Databases | Intermediate |
| 6 | How does RDS Proxy help applications manage database connections more efficiently, particularly for serverless architectures using Lambda? AWS › RDS & Databases | AWS | RDS & Databases | Advanced |
| 7 | How should an organization design a comprehensive database resilience and disaster recovery strategy combining Multi-AZ, read replicas, cross region replication, and automated backups? AWS › RDS & Databases | AWS | RDS & Databases | Advanced |
| 8 | What is Amazon Redshift and how is it different from a typical relational database like RDS? AWS › Amazon Redshift & Data Warehousing | AWS | Amazon Redshift & Data Warehousing | Beginner |
| 9 | How does GuardDuty support monitoring for threats specific to Amazon S3, EKS, and RDS beyond general EC2 and account level threats? AWS › AWS Security Hub & GuardDuty | AWS | AWS Security Hub & GuardDuty | Intermediate |
| 10 | How should passwords be securely stored in a Node.js application's database, and why is bcrypt commonly used? Node.js › Authentication & Authorization | Node.js | Authentication & Authorization | Beginner |
| 11 | How does Doctrine ORM integrate with Symfony to let you work with database records as PHP objects, and what role do entities play in this? PHP › Symfony Framework Essentials | PHP | Symfony Framework Essentials | Intermediate |
| 12 | What is Amazon DynamoDB and what type of database is it? AWS › Amazon DynamoDB | AWS | Amazon DynamoDB | Beginner |
| 13 | What is Amazon ElastiCache and why do applications use it? AWS › Amazon ElastiCache (Redis & Memcached) | AWS | Amazon ElastiCache (Redis & Memcached) | Beginner |
| 14 | What is the main difference between the Redis and Memcached engines in ElastiCache? AWS › Amazon ElastiCache (Redis & Memcached) | AWS | Amazon ElastiCache (Redis & Memcached) | Beginner |
| 15 | What is AWS Backup and how does it simplify managing backups across multiple AWS services? AWS › AWS Backup & Disaster Recovery | AWS | AWS Backup & Disaster Recovery | Beginner |
| 16 | What is the difference between Recovery Point Objective and Recovery Time Objective in disaster recovery planning? AWS › AWS Backup & Disaster Recovery | AWS | AWS Backup & Disaster Recovery | Beginner |
| 17 | What is AWS Database Migration Service and what problem does it solve? AWS › AWS Database Migration Service & Application Migration | AWS | AWS Database Migration Service & Application Migration | Beginner |
| 18 | What is the AWS Schema Conversion Tool, and how does it work alongside DMS for heterogeneous migrations? AWS › AWS Database Migration Service & Application Migration | AWS | AWS Database Migration Service & Application Migration | Beginner |
| 19 | What is AWS KMS and what role does it play in encrypting data across AWS services? AWS › AWS KMS & Data Encryption | AWS | AWS KMS & Data Encryption | Beginner |
| 20 | What is AWS Secrets Manager and what problem does it solve for applications that need database credentials or API keys? AWS › AWS Secrets Manager & Parameter Store | AWS | AWS Secrets Manager & Parameter Store | Beginner |
| 21 | How do compute, storage, database, and networking services typically work together in a simple three tier web application architecture? AWS › Core Services Overview | AWS | Core Services Overview | Beginner |
| 22 | What is the difference between a public subnet and a private subnet within a VPC? AWS › VPC & Networking | AWS | VPC & Networking | Beginner |
| 23 | What are Global Secondary Indexes and Local Secondary Indexes in DynamoDB? AWS › Amazon DynamoDB | AWS | Amazon DynamoDB | Intermediate |
| 24 | What caching strategies are commonly implemented using ElastiCache, such as lazy loading and write through? AWS › Amazon ElastiCache (Redis & Memcached) | AWS | Amazon ElastiCache (Redis & Memcached) | Intermediate |
| 25 | What is the difference between SPICE import mode and direct query mode in QuickSight? AWS › Amazon QuickSight & Business Intelligence | AWS | Amazon QuickSight & Business Intelligence | Intermediate |
| 26 | How does DMS support continuous data replication using change data capture to minimize downtime during a migration? AWS › AWS Database Migration Service & Application Migration | AWS | AWS Database Migration Service & Application Migration | Intermediate |
| 27 | How does automatic secret rotation work in Secrets Manager, and why is it an important security practice? AWS › AWS Secrets Manager & Parameter Store | AWS | AWS Secrets Manager & Parameter Store | Intermediate |
| 28 | How does a Volume Gateway provide block storage that can be used for backup or as a primary storage volume for on premises applications? AWS › AWS Storage Gateway | AWS | AWS Storage Gateway | Intermediate |
| 29 | What role does the AWS Well-Architected Framework play in guiding decisions across all of these core services as an application grows in complexity? AWS › Core Services Overview | AWS | Core Services Overview | Intermediate |
| 30 | What is the difference between EBS backed and instance store backed EC2 instances in terms of data persistence? AWS › EC2 & Compute | AWS | EC2 & Compute | Intermediate |
| 31 | How does CloudFormation calculate and apply changes when you update an existing stack, and what is a change set? AWS › IaC (CloudFormation) | AWS | IaC (CloudFormation) | Intermediate |
| 32 | How do CloudFormation parameters and outputs make templates more reusable and flexible across different environments? AWS › IaC (CloudFormation) | AWS | IaC (CloudFormation) | Intermediate |
| 33 | How does Lambda concurrency work, and what is the difference between reserved concurrency and the account level concurrency limit? AWS › Lambda & Serverless | AWS | Lambda & Serverless | Intermediate |
| 34 | How does Lambda support running functions within a VPC, and what performance considerations does this introduce compared to functions that do not need VPC access? AWS › Lambda & Serverless | AWS | Lambda & Serverless | Advanced |