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Confluent CCDAK Exam - Topic 1 Question 30 Discussion

Actual exam question for Confluent's CCDAK exam
Question #: 30
Topic #: 1
[All CCDAK Questions]

Which of the following Kafka Streams operators are stateless? (select all that apply)

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Suggested Answer: A, B, C, D, E

Seehttps://kafka.apache.org/20/documentation/streams/developer-guide/dsl-api.html#stateless-transformations


by Devorah at Dec 29, 2022, 09:59 AM

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Thora
4 months ago
GroupBy is definitely stateful, no doubt about it!
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Wade
4 months ago
Wait, are you sure about flatmap being stateless?
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Margarita
4 months ago
Totally agree, map and filter are definitely stateless.
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Magdalene
4 months ago
I thought branch was stateless too?
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Nelida
4 months ago
A, B, and C are stateless!
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Bernardine
5 months ago
I feel like I saw a similar question in our last practice exam, but I can't remember if flatmap was considered stateless or not.
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Sheridan
5 months ago
I definitely recall that groupBy and aggregate are stateful, so they shouldn't be included.
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Lucia
5 months ago
I think branch is also stateless, but I might be mixing it up with something else we practiced.
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Lawrence
5 months ago
I remember that both map and filter are stateless operations, but I'm not sure about flatmap.
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Dong
5 months ago
I've got this! The key is the high-availability requirement, which means we need redundancy in the search heads. Option D with 2 search heads doesn't meet that, so it has to be option B with 3 search heads, 1 deployer, and 3 indexers. Easy peasy!
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Leatha
5 months ago
I think for the Orchestration compound pattern, 'Reliable Messaging' is crucial, but I'm not entirely sure if it's the best fit for all scenarios.
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Coral
5 months ago
Oracle Data Guard is definitely the way to go for this use case. It provides real-time data replication between the primary and secondary sites, ensuring your data tier is always in sync and ready for a failover.
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