Which of the following is the correct syntax to find the controller broker ID using Kafka's AdminClient in Java?

easy📝 Syntax Q3 of 15

Kafka - Cluster Architecture

AadminClient.getControllerId();

BadminClient.controller().getId();

CadminClient.describeCluster().controller().get().id();

DadminClient.describeController().id();

Step-by-Step Solution

Solution:

Step 1: Recall AdminClient API for controller info
The correct method chain is describeCluster().controller().get().id() to get controller ID.
Step 2: Check each option's syntax
Only adminClient.describeCluster().controller().get().id(); matches the official Kafka AdminClient syntax.
Final Answer:
adminClient.describeCluster().controller().get().id(); -> Option C
Quick Check:
AdminClient controller ID syntax = describeCluster().controller().get().id() [OK]

Quick Trick: Use describeCluster().controller().get().id() to get controller ID [OK]

Common Mistakes:

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