8 Questions
In Chord DHT, how are entities with keys mapped to nodes?
Entities are mapped to the node with the smallest identifier id >= k, known as the successor of k
What is the main issue in DHT-based solutions?
Efficiently resolving a key k to the network location of succ(k)
What is the purpose of a Merkle tree in DynamoDB?
To reduce data transfer while checking for inconsistencies among replicas
How is temporary failure handled when a node is temporarily down or unreachable during a write?
Replica is sent to another node and hinted about its origin
In Chord DHT, how are nodes arranged for efficient key resolution?
All nodes are arranged in a logical ring according to their keys
What does Amazon DynamoDB sacrifice in order to prioritize availability?
Strong consistency
What process is executed during read instead of write in Amazon DynamoDB?
Conflict resolution
What is the main goal of avoiding centralized control in Amazon DynamoDB?
Avoiding outages due to centralized control
Test your knowledge about Amazon DynamoDB and its key features such as the simple interface, sacrifice of strong consistency for availability, conflict resolution, incremental scalability, and symmetry. This quiz covers important design considerations and infrastructure aspects of Amazon DynamoDB.
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