| 1 | What is RDB persistence in Redis, and how does it work? Redis › Persistence (RDB/AOF) | Redis | Persistence (RDB/AOF) | Beginner |
| 2 | What is AOF, or append only file, persistence, and how does it differ from RDB snapshots? Redis › Persistence (RDB/AOF) | Redis | Persistence (RDB/AOF) | Beginner |
| 3 | What are the different appendfsync options available for AOF persistence, and how do they balance durability against performance? Redis › Persistence (RDB/AOF) | Redis | Persistence (RDB/AOF) | Intermediate |
| 4 | What happens if Redis's persistence files, whether RDB or AOF, become corrupted, and how would you attempt to recover? Redis › Persistence (RDB/AOF) | Redis | Persistence (RDB/AOF) | Intermediate |
| 5 | How would you design a persistence strategy that combines both RDB and AOF to get the benefits of both approaches? Redis › Persistence (RDB/AOF) | Redis | Persistence (RDB/AOF) | Advanced |
| 6 | What is AOF rewriting, and why is it necessary as an append only file grows over time? Redis › Persistence (RDB/AOF) | Redis | Persistence (RDB/AOF) | Intermediate |
| 7 | What happens during Redis startup regarding data loading, and how does the choice between RDB and AOF affect startup time for a large dataset? Redis › Persistence (RDB/AOF) | Redis | Persistence (RDB/AOF) | Advanced |
| 8 | Does Memcached support data persistence the way Redis does with RDB and AOF? Redis › Redis vs Memcached | Redis | Redis vs Memcached | Beginner |
| 9 | What are the key architectural characteristics of Redis that make it so fast? Redis › Redis Architecture & Installation | Redis | Redis Architecture & Installation | Beginner |
| 10 | How do you create a manual backup of your Redis data at a specific point in time? Redis › Redis Backup & Disaster Recovery | Redis | Redis Backup & Disaster Recovery | Beginner |
| 11 | How do you restore a Redis instance from a previously saved RDB backup file? Redis › Redis Backup & Disaster Recovery | Redis | Redis Backup & Disaster Recovery | Beginner |
| 12 | How do you configure a Redis instance to become a replica of another Redis instance? Redis › Redis Replication | Redis | Redis Replication | Beginner |
| 13 | How do you persist Redis data when running it in a Docker container, so data survives a container restart? Redis › Redis with Docker & Kubernetes | Redis | Redis with Docker & Kubernetes | Beginner |
| 14 | What is the write behind, also called write back, caching pattern, and what risk does it introduce? Redis › Caching Patterns | Redis | Caching Patterns | Intermediate |
| 15 | What is a reasonable backup schedule and retention policy to establish for a production Redis instance? Redis › Redis Backup & Disaster Recovery | Redis | Redis Backup & Disaster Recovery | Intermediate |
| 16 | How do you use the LATENCY command family in Redis to identify specific sources of delay within the server's internal operations? Redis › Redis Monitoring & Observability | Redis | Redis Monitoring & Observability | Intermediate |
| 17 | What considerations are important when backing up a very large Redis dataset without significantly impacting production performance during the backup process? Redis › Redis Backup & Disaster Recovery | Redis | Redis Backup & Disaster Recovery | Advanced |
| 18 | How would you diagnose a sudden, unexplained increase in Redis latency using the various monitoring tools and commands available? Redis › Redis Monitoring & Observability | Redis | Redis Monitoring & Observability | Advanced |