DynamoDB Flashcards
1
Q
What is the recommended capacity mode Dynamodb for unpredictable workloads?
A
on demand
2
Q
What causes a DynamoDB hot partition?
A
many requests that target only a few partitions
3
Q
How many Dynamodb RCU per 4KB
A
4 KB |1 RCU |1 strongly consistent read request per second.
4 KB |1 RCU |2 eventually consistent read requests per second
4 KB| 2 RCU |1 Transactional read requests per second
4
Q
How many Dynamodb WCU per 1KB
A
1 KB | 1 WCU |1 standard write request per second.
1 KB | 2 WCU |1 Transactional write requests per second
5
Q
What are the DynamoDb encryption options?
A
- AWS owned key (default)
- customer managed key
- AWS managed key
PS: Encryption can’t be disabled!