11.) What is a Kafka log segment?
A) An in-memory buffer
B) A Kafka configuration file
C) A file containing a portion of the topic data
D) A separate topic
12.) Which of the following improves Kafka’s availability?
A) Increasing log retention
B) Enabling log compaction
C) Increasing replication factor
D) Enabling topic auto-creation
13.) Which configuration defines how many replicas must acknowledge a write?
A) log.retention.hours
B) min.insync.replicas
C) log.segment.bytes
D) message.timeout.ms
14.) What is the default value of Kafka’s acks producer config?
15.) What happens to ISR when a follower goes offline?
A) ISR size increases
B) ISR resets
C) Follower is removed from ISR
D) Topic is deleted
16.) Kafka stores logs for each partition in…
A) ZooKeeper
B) HDFS
C) Filesystem on brokers
D) RAM
17.) What is a key factor in Kafka’s high throughput?
A) XML-based messaging
B) No replication
C) Sequential disk writes
D) Using relational database
18.) How often does Kafka flush data to disk?
A) After every message
B) At configurable intervals or size thresholds
C) Once per day
D) Never
19.) How does Kafka handle broker failover?
A) Reboots the failed broker
B) Deletes partition data
C) Elects new partition leaders from ISR
D)Forwards data to ZooKeeperr
20.) Which component is used in older Kafka versions to manage metadata and configuration?
A) Kafka Broker
B) Kafka Streams
C) ZooKeeper
D) Kafka Connect
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