Kafka MCQs – Kafka Integration with Tools

Apache Kafka is widely adopted in real-time data pipelines, and one of its greatest strengths is the ability to integrate seamlessly with external tools and systems. From stream processing frameworks like Apache Flink and Kafka Streams, to data storage systems like Hadoop, HDFS, and NoSQL databases, Kafka sits at the heart of many modern data architectures.

These MCQs cover real-world integrations and are tailored for interview preparation and certification exams, ranging from beginner to advanced levels.

1.) What is Kafka Connect used for?

A) Running Kafka broker
B) Managing consumer offsets
C) Streaming data between Kafka and external systems
D) Compiling Avro schemas

Answer: Option C

Explanation: Kafka Connect simplifies data integration between Kafka and external data sources/sinks.

2.) Which of the following is an example of a Kafka sink connector?

A) MySQL JDBC Sink
B) Kafka Producer
C) Kafka Consumer
D) Kafka Topic Tool

Answer: Option A

Explanation: JDBC Sink Connector pushes Kafka data to relational databases like MySQL.

3.) Kafka Connectors are typically implemented as:

A) Kafka Brokers
B) Java Applications using the Kafka Connect API
C) Shell scripts
D) Python scripts

Answer: Option B

Explanation: Connectors are Java-based and extend the Kafka Connect framework.

4.) Which Kafka tool allows you to define transformations on data before pushing it to a sink?

A) Kafka Streams
B) SMT
C) Kafka Producer
D) Kafka Broker

Answer: Option B

Explanation: SMTs (Single Message Transform) are lightweight transformations that can be configured in Kafka Connect.

5.) Kafka Connect supports which two deployment modes?

A) Threaded and Clustered
B) Local and Cloud
C) Standalone and Distributed
D) Clustered and Shared

Answer: Option C

Explanation: Standalone is for dev/testing; Distributed is used in production.

6.) Which of the following is a streaming computation engine that can integrate with Kafka?

A) Spark Streaming
B) Hadoop MapReduce
C) Apache Hive
D) Apache Sqoop

Answer: Option A

Explanation: Apache Spark Streaming processes real-time Kafka data streams.

7.) What is used to process data stored in Kafka as a continuous stream of records?

A) Kafka Producer
B) Kafka CLI
C) Kafka Broker
D) Kafka Streams API

Answer: Option D

Explanation: Kafka Streams API is a client library to process and transform data in real time.

8.) Which tool is used to process event-time data and complex windowing in Kafka streams?

A) Apache Flink
B) Apache Hive
C) Kafka Console
D) Elasticsearch

Answer: Option A

Explanation: Flink offers advanced stream processing and integrates seamlessly with Kafka.

9.) Kafka can be integrated with Elasticsearch using:

A) Hive Connector
B) JDBC Sink
C) Elasticsearch Sink Connector
D) Redis Connector

Answer: Option C

Explanation: This connector streams data from Kafka to Elasticsearch indexes.

10.) What is the primary function of Kafka MirrorMaker?

A) Schema validation
B) Topic replication across clusters
C) User authentication
D) Data backup to S3

Answer: Option B

Explanation: MirrorMaker replicates topics between Kafka clusters, often for cross-region or hybrid cloud.

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