Intermediate
System Design
Q57 / 100
What is a "leader-follower" (master-slave) replication model in databases?
Correct! Well done.
Incorrect.
The correct answer is A) One node (leader) accepts writes and propagates changes to one or more follower nodes, which typically serve read traffic
A
Correct Answer
One node (leader) accepts writes and propagates changes to one or more follower nodes, which typically serve read traffic
Explanation
Leader-follower replication centralizes writes on the leader (simplifying consistency) while followers replicate data and can serve reads, improving read scalability and providing failover candidates.
Progress
57/100