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Confluent CCDAK Exam - Topic 4 Question 89 Discussion

Actual exam question for Confluent's CCDAK exam
Question #: 89
Topic #: 4
[All CCDAK Questions]

Suppose you have 6 brokers and you decide to create a topic with 10 partitions and a replication factor of 3. The brokers 0 and 1 are on rack A, the brokers 2 and 3 are on rack B, and the brokers 4 and 5 are on rack C. If the leader for partition 0 is on broker 4, and the first replica is on broker 2, which broker can host the last replica? (select two)

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Suggested Answer: B, E

When you create a new topic, partitions replicas are spreads across racks to maintain availability. Hence, the Rack A, which currently does not hold the topic partition, will be selected for the last replica


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Lang
15 days ago
Wait, why can't it be on broker 1?
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Dawne
20 days ago
Definitely options D and F!
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Dana
26 days ago
The last replica can't be on the same rack as the leader or first replica.
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Adela
1 month ago
I agree, it has to be 5 or 3 for sure!
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Willie
1 month ago
Wait, why can't it be on broker 1?
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Talia
1 month ago
I think it could be broker 5 or 3.
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Gladys
2 months ago
Definitely, it has to be on rack C or A.
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Enola
2 months ago
The last replica can't be on the same rack as the leader.
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Rodrigo
2 months ago
I’m confused about the options. Can’t the last replica be on broker 3 too? It seems like it fits the criteria.
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Tracey
2 months ago
I practiced a similar question, and I think the last replica could be on broker 5 since it's on a different rack from both the leader and the first replica.
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Luis
2 months ago
I'm not entirely sure, but I remember something about balancing replicas across racks to avoid single points of failure. Maybe brokers 1 or 5?
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Apolonia
2 months ago
I think the last replica needs to be on a different rack from the leader and the first replica, so it can't be on broker 2.
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