The Controller is a broker that is... (select two)
Answer(s): A,B
Controller is a broker that in addition to usual broker functions is responsible for partition leader election. The election of that broker happens thanks to Zookeeper and at any time only one broker can be a controller
What kind of delivery guarantee this consumer offers?
Answer(s): C
Here offset is committed before processing the message. If consumer crashes before processing the message, message will be lost when it comes back up.
What Java library is KSQL based on?
Answer(s): A
KSQL is based on Kafka Streams and allows you to express transformations in the SQL language that get automatically converted to a Kafka Streams program in the backend
A producer application was sending messages to a partition with a replication factor of 2 by connecting to Broker 1 that was hosting partition leader. If the Broker 1 goes down, what will happen?
Once the client connects to any broker, it is connected to the entire cluster and in case of leadership changes, the clients automatically do a Metadata Request to an available broker to find out who is the new leader for the topic. Hence the producer will automatically keep on producing to the correct Kafka Broker
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Testbear commented on June 13, 2023 please upload ITALY upvote
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