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What is the protocol used by Kafka clients to securely connect to the Confluent REST Proxy?
Answer : C
TLS - but it is still called SSL.
You are receiving orders from different customer in an "orders" topic with multiple partitions. Each message has the customer name as the key. There is a special customer named ABC that generates a lot of orders and you would like to reserve a partition exclusively for ABC. The rest of the message should be distributed among other partitions. How can this be achieved?
Answer : B
A Custom Partitioner allows you to easily customise how the partition number gets computed from a source message.
In Avro, removing or adding a field that has a default is a __ schema evolution
Answer : A
Clients with new schema will be able to read records saved with old schema and clients with old schema will be able to read records saved with new schema.
A topic has three replicas and you set min.insync.replicas to 2. If two out of three replicas are not available, what happens when a produce request with acks=all is sent to broker?
Answer : A
With this configuration, a single in-sync replica becomes read-only. Produce request will receive NotEnoughReplicasException.
Your manager would like to have topic availability over consistency. Which setting do you need to change in order to enable that?
Answer : B
unclean.leader.election.enable=true allows non ISR replicas to become leader, ensuring availability but losing consistency as data loss will occur
