| 1 | What is Amazon ElastiCache and why do applications use it? AWS › Amazon ElastiCache (Redis & Memcached) | AWS | Amazon ElastiCache (Redis & Memcached) | Beginner |
| 2 | 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 |
| 3 | What is the main difference between the Redis and Memcached engines in ElastiCache? AWS › Amazon ElastiCache (Redis & Memcached) | AWS | Amazon ElastiCache (Redis & Memcached) | Beginner |
| 4 | How does replication work in ElastiCache for Redis to provide high availability? AWS › Amazon ElastiCache (Redis & Memcached) | AWS | Amazon ElastiCache (Redis & Memcached) | Intermediate |
| 5 | How does ElastiCache for Redis support cluster mode to scale beyond a single node's capacity? AWS › Amazon ElastiCache (Redis & Memcached) | AWS | Amazon ElastiCache (Redis & Memcached) | Intermediate |
| 6 | How can ElastiCache be secured within a VPC, and what encryption options are available? AWS › Amazon ElastiCache (Redis & Memcached) | AWS | Amazon ElastiCache (Redis & Memcached) | Advanced |
| 7 | What monitoring metrics are most important to track for an ElastiCache deployment in production? AWS › Amazon ElastiCache (Redis & Memcached) | AWS | Amazon ElastiCache (Redis & Memcached) | Advanced |
| 8 | What are the main EC2 instance families, and how do you choose the right one for a specific workload? AWS › EC2 & Compute | AWS | EC2 & Compute | Beginner |
| 9 | 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 |
| 10 | How can Application Load Balancer support sticky sessions, and when is this feature actually necessary for an application? AWS › Elastic Load Balancing (ALB, NLB & CLB) | AWS | Elastic Load Balancing (ALB, NLB & CLB) | Advanced |