Kafka CLI tools overview - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is the primary purpose of Kafka CLI tools?

Kafka CLI tools help users interact with Kafka clusters by managing topics, producers, consumers, and cluster metadata through command-line commands.

beginner

Name three common Kafka CLI tools and their main functions.

• kafka-topics.sh: Manage topics (create, delete, list).
• kafka-console-producer.sh: Send messages to a topic.
• kafka-console-consumer.sh: Read messages from a topic.

beginner

How do you list all topics in a Kafka cluster using CLI?

Use the command: kafka-topics.sh --list --bootstrap-server <broker_address> to see all topics.

intermediate

What is the role of kafka-consumer-groups.sh tool?

It manages consumer groups, allowing you to view group details, reset offsets, and monitor consumer lag.

beginner

Why is it important to specify --bootstrap-server in Kafka CLI commands?

The --bootstrap-server option tells the CLI which Kafka broker to connect to initially, so it can discover the full cluster and perform operations.

Which Kafka CLI tool is used to create or delete topics?

A kafka-console-producer.sh

B kafka-topics.sh

C kafka-consumer-groups.sh

D kafka-configs.sh

The kafka-topics.sh tool manages topics, including creating and deleting them.

What does the kafka-console-consumer.sh tool do?

A Reads messages from a topic

B Sends messages to a topic

C Manages consumer groups

D Configures broker settings

kafka-console-consumer.sh reads messages from a Kafka topic and displays them in the console.

Which option is required to specify the Kafka broker address in CLI commands?

A --topic

B --group

C --partitions

D --bootstrap-server

The --bootstrap-server option specifies the Kafka broker address to connect to.

To check the status of consumer groups, which CLI tool should you use?

A kafka-consumer-groups.sh

B kafka-topics.sh

C kafka-console-producer.sh

D kafka-run-class.sh

kafka-consumer-groups.sh is used to manage and monitor consumer groups.

Which Kafka CLI tool allows you to send messages to a topic?

A kafka-topics.sh

B kafka-console-consumer.sh

C kafka-console-producer.sh

D kafka-acls.sh

kafka-console-producer.sh sends messages to a Kafka topic from the command line.

Explain the main functions of Kafka CLI tools and why they are useful.

Think about how you would control Kafka from the command line.

Describe how you would list all topics and send a message to a topic using Kafka CLI tools.

Focus on the commands and options needed.