Discuss Confluent CCDAK Exam Topic 1 Question 81

There are two consumers C1 and C2 belonging to the same group G subscribed to topics T1 and T2. Each of the topics has 3 partitions. How will the partitions be assigned to consumers with Partition Assigner being Round Robin Assigner?

AC1 will be assigned partitions 0 and 2 from T1 and partition 1 from T2. C2 will have partition 1 from T1 and partitions 0 and 2 from T2.

BTwo consumers cannot read from two topics at the same time

CC1 will be assigned partitions 0 and 1 from T1 and T2, C2 will be assigned partition 2 from T1 and T2.

DAll consumers will read from all partitions

Suggested Answer: A

The correct option is the only one where the two consumers share an equal number of partitions amongst the two topics of three partitions. An interesting article to read ishttps://medium.com/@anyili0928/what-i-have-learned-from-kafka-partition-assignment-strategy-799fdf15d3ab

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14 comments · newest first

Tasia 10 months ago

Wait, how does Round Robin even work here?

Marta 10 months ago

B is totally wrong, they can read from multiple topics.

Junita 10 months ago

I think A is correct!

Lashandra 10 months ago

D doesn't make sense, that's not how partitioning works.

Velda 10 months ago

C1 and C2 can read from both topics.

Queen 11 months ago

I thought consumers could read from multiple topics at once, so I'm not sure about option B being correct.

Bong 11 months ago

Option A seems plausible since it mentions both consumers getting different partitions, but I feel like I might be mixing up the details.

Micah 11 months ago

I remember a practice question where consumers were assigned partitions in a similar way, but I can't recall the exact distribution.

France 11 months ago

I think the Round Robin Assigner distributes partitions evenly, but I'm not sure how it handles multiple topics.

King 12 months ago

I'm feeling confident about this one. I believe the correct answer is option A.

Elina 12 months ago

I'm a bit confused on the partition assignment. I'll need to review the details of the question again.

Blossom 12 months ago

Ah, I see. The key is understanding how the Round Robin Assigner works. I think I've got a strategy for this.

Shawnda 1 year ago

Okay, let me try to visualize this. We have two consumers, C1 and C2, and two topics, T1 and T2, each with 3 partitions.

Lenna 1 year ago

Hmm, this looks like a tricky one. I'll need to think through the partition assignment carefully.

Confluent CCDAK Exam - Topic 1 Question 81 Discussion