Apache Kafka Kafka Connect

Question 1

What is Kafka Connect?

Accepted Answer

A framework for reliably streaming data between Kafka and external systems using connectors

Answer

A protocol for connecting two Kafka clusters

Answer

A GUI for managing Kafka topics

Answer

A CLI for producing test messages

Question 2

What is the difference between a 'source connector' and a 'sink connector' in Kafka Connect?

Accepted Answer

Source connectors ingest data into Kafka; sink connectors export data from Kafka to external systems

Answer

Source reads from Kafka; sink writes to Kafka

Answer

Source is for streams; sink is for batch

Answer

Source handles keys; sink handles values

Question 3

What mode allows Kafka Connect to run as part of a distributed cluster for fault tolerance?

Accepted Answer

Distributed mode

Answer

Standalone mode

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Cluster mode

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Replicated mode

Question 4

How do you deploy a connector in Kafka Connect distributed mode?

Accepted Answer

By posting a JSON configuration to the Connect REST API

Answer

By editing server.properties

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By running a CLI command on each broker

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By writing a custom Kafka producer

Question 5

What is a 'task' in Kafka Connect?

Accepted Answer

The unit of work that implements the actual data copying, with multiple tasks enabling parallelism

Answer

A scheduled job in ZooKeeper

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A Kafka consumer group assigned to one partition

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A schema version in the Schema Registry

Question 6

What is the purpose of Single Message Transforms (SMTs) in Kafka Connect?

Accepted Answer

Apply lightweight transformations to individual records as they pass through the connector pipeline

Answer

Transform entire topic schemas

Answer

Compress messages at the broker

Answer

Convert between Avro and JSON formats in the Schema Registry