Which command shifts offsets by 2 positions forward for a consumer group on a topic?

• A. $bin/kafka-consumer-groups.sh --bootstrap-server localhost:9092 --describe -group my-first-consumer-group --reset-offsets --to-earliest --execute --topic my-first-topic
• B. bin/kafka-consumer-groups --bootstrap-server localhost:9092 --group my-first-consumer-group --reset-offsets --shift-by 2 --execute --topic my-first_topic
• C. bin/kafka-consumer-groups --bootstrap-server localhost:9092 --group my-first-consumer-group --reset-offsets --shift-by 0 --execute --topic my-first_topic
• D. bin/kafka-consumer-groups --bootstrap-server localhost:9092 --group my-first-consumer-group --reset-offsets --to-latest --execute --topic my-first_topic

Answer: (B)

Shifting offsets by a fixed amount is done with the reset-offsets command using a shift-by value. When you specify --group and --topic, plus --reset-offsets and --execute, the consumer group's committed offsets on each partition of that topic are moved by the exact number you provide. Using --shift-by 2 advances every partition’s offset by two messages, so the group will start consuming two messages later than before. This is a relative adjustment, not a jump to the earliest or newest offset. In contrast, options like --to-earliest or --to-latest reposition to fixed points, and --shift-by 0 would leave offsets unchanged. So the command that performs the requested forward shift by two positions is the one that uses --reset-offsets with --shift-by 2, along with the necessary --group, --topic, and --execute flags.