21.) In Prometheus, what label is typically used to distinguish Kafka brokers?
A) broker_instance
B) kafka_id
C) instance
D) topic_id
22.) What Kafka metric indicates how often controller leadership changes?
A) kafka.controller.activeCount
B) kafka.controller.leaderElectionRateAndTimeMs
C) kafka.broker.rebalance.count
D) kafka.partition.shutdowns
23.) What is a red flag in Kafka controller metrics?
A) High controller ID
B) Frequent controller elections
C) Zero controller count
D) Duplicate controller metrics
24.) Which metric can indicate if producers are getting throttled?
A) kafka.server.throttleTimeMs
B) kafka.producer.send.errors
C) kafka.topic.limit.exceeded
D) kafka.replica.delay
25.) Kafka exposes JMX metrics by default on which port?
A) 8080
B) 7203
C) 9999
D) 9092
Related