Trivia - Cache Me If You Can

In the Write-Back (or Write-Behind) approach, what is a potential risk?

🧠 Trivia - Cache Me If You Can

🧩 If you need a refresher on caching, check out the Caching page.

What is the main goal of caching in a system?

To reduce database load and improve performance To make data storage more expensive To delete data automatically To increase latency for fun

In the Cache-Aside strategy, when is data loaded into the cache?

Before any request is made Only after a cache miss occurs Every hour automatically When the system restarts

Which caching strategy writes to both the cache and the database at the same time?

Write-Through Cache-Aside Write-Back Read-Through

In the Write-Back (or Write-Behind) approach, what is a potential risk?

Data can be lost if the cache fails before syncing with the database Too many reads overwhelm the cache It makes writes unnecessarily slow The database updates first and causes inconsistency

Which strategy lets the cache itself handle fetching data from the database?

Read-Through Cache-Aside Write-Back Lazy Cache

What’s the biggest challenge in cache invalidation?

Deciding when data is too old to be trusted Finding a funny name for your cache keys Storing too much data Avoiding duplicate entries

Which of the following is an example of caching in real life?

Keeping snacks on your desk instead of walking to the fridge Restarting your laptop to fix problems Unplugging your router Backing up data to the cloud

What is a common technology used for server-side caching?

Redis MongoDB Elasticsearch PostgreSQL