| 1 | How do managed cloud Redis services typically handle backup and disaster recovery differently than a self hosted Redis instance? Redis › Redis Backup & Disaster Recovery | Redis | Redis Backup & Disaster Recovery | Intermediate |
| 2 | How would you set up a disaster recovery plan for Redis that accounts for an entire data center or region becoming unavailable? Redis › Redis Backup & Disaster Recovery | Redis | Redis Backup & Disaster Recovery | Intermediate |
| 3 | How would you design and test a complete disaster recovery drill for a Redis based application to verify your team can actually recover successfully under pressure? Redis › Redis Backup & Disaster Recovery | Redis | Redis Backup & Disaster Recovery | Advanced |
| 4 | 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 |
| 5 | 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 |
| 6 | 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 |
| 7 | 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 |
| 8 | How do you deploy Redis on Kubernetes using a StatefulSet rather than a regular Deployment, and why is this distinction important? Redis › Redis with Docker & Kubernetes | Redis | Redis with Docker & Kubernetes | Intermediate |
| 9 | How would you deploy Redis Sentinel across multiple data centers or availability zones to maximize resilience against a localized failure? Redis › Redis Sentinel & High Availability | Redis | Redis Sentinel & High Availability | Advanced |
| 10 | How does replication work in ElastiCache for Redis to provide high availability? AWS › Amazon ElastiCache (Redis & Memcached) | AWS | Amazon ElastiCache (Redis & Memcached) | Intermediate |
| 11 | How would you design an analytics system using HyperLogLog to track unique visitors across multiple time periods, such as daily, weekly, and monthly counts? Redis › HyperLogLog in Redis | Redis | HyperLogLog in Redis | Advanced |
| 12 | What is RDB persistence in Redis, and how does it work? Redis › Persistence (RDB/AOF) | Redis | Persistence (RDB/AOF) | Beginner |
| 13 | 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 |
| 14 | How would you plan and execute resharding a Redis Cluster to add a new node and redistribute existing hash slots? Redis › Cluster Sharding & Hash Slots | Redis | Cluster Sharding & Hash Slots | Advanced |
| 15 | How would you design a Redis Cluster deployment to properly balance high availability, performance, and cost for a large scale production application? Redis › Clustering | Redis | Clustering | Advanced |
| 16 | What is a split brain scenario in the context of Redis Cluster, and how does the cluster protect against it? Redis › Clustering | Redis | Clustering | Advanced |
| 17 | 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 |
| 18 | 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 |
| 19 | 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 |