Confluent Exam CCDAK Topic 1 Question 43 Discussion

Actual exam question for Confluent's CCDAK exam

Question #: 43
Topic #: 1

You are sending messages with keys to a topic. To increase throughput, you decide to increase the number of partitions of the topic. Select all that apply.

AAll the existing records will get rebalanced among the partitions to balance load

BNew records with the same key will get written to the partition where old records with that key were written

CNew records may get written to a different partition

DOld records will stay in their partitions

Show Suggested Answer

Suggested Answer: C

Kafka Connect Sink is used to export data from Kafka to external databases and Kafka Connect Source is used to import from external databases into Kafka.

by Jenelle at Oct 21, 2023, 11:27 PM

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Devorah

3 hours ago

Hmm, I think B and D are the correct answers. The old records will stay in their partitions, and the new records with the same key will get written to the same partition as the old ones. Simple enough, right?

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Elena

9 days ago

I'm not sure about C. I think new records may get written to a different partition when we increase the number of partitions. Can someone clarify this?

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Jaime

14 days ago

I agree with Chuck. It makes sense that old records will stay in their partitions and new records with the same key will go to the same partition.

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Chuck

15 days ago

I think A and B are correct. When we increase partitions, existing records will be rebalanced and new records with the same key will go to the same partition.

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