What is DynamoDB Accelerator (DAX)?
a) A cache for accelerating reads from DynamoDB tables
b) A tool for writing queries
c) A way to reduce the size of tables
d) A system for backing up tables
Answer:
a) A cache for accelerating reads from DynamoDB tables
Explanation:
DynamoDB Accelerator (DAX) is a caching service that improves the performance of read-heavy applications by caching the results of queries and scans in memory.