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Confluent CCDAK Exam - Topic 4 Question 62 Discussion

Posted by Blossom on Aug 29, 2024 at 03:36 AM

When auto.create.topics.enable is set to true in Kafka configuration, what are the circumstances under which a Kafka broker automatically creates a topic? (select three)

Suggested Answer: A

With this configuration, a single in-sync replica becomes read-only. Produce request will receive NotEnoughReplicasException.


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34 comments · newest first
LA
Laurene 10 months ago
I thought only producers could create topics, interesting!
CO
Corazon 11 months ago
C is definitely a scenario too!
LE
Leota 11 months ago
Wait, can a consumer really create a topic? Seems odd.
LO
Long 11 months ago
Totally agree, D is also a valid case.
TI
Tijuana 11 months ago
A is correct! Metadata requests trigger topic creation.
LA
Lashawnda 12 months ago
I’m a bit confused; I thought consumer actions could also lead to topic creation, but now I’m not so sure.
LA
Lashon 12 months ago
I remember practicing a question about Kafka topics, and I think altering the number of partitions doesn't create a topic automatically.
VE
Vernice 12 months ago
I'm not entirely sure, but I feel like a producer sending a message to a topic might also lead to automatic topic creation.
AD
Adaline 1 year ago
I think when a client requests metadata for a topic, it could trigger the creation of that topic if it doesn't exist.
SA
Sanda 1 year ago
I'm a little confused by this question. I know the auto.create.topics.enable setting is important, but I'm not sure I fully grasp all the scenarios where Kafka will create a topic automatically. I'll need to think it through step-by-step.
YO
Yolande 1 year ago
Hmm, I'm a bit unsure about this. I'll need to review the Kafka configuration documentation to make sure I understand the auto.create.topics.enable setting properly.
RA
Raina 1 year ago
This is a tricky one, but I think I can figure it out. Let me think through the options carefully.
LE
Leslie 1 year ago
Okay, I've got this. The key is to focus on the circumstances where Kafka will automatically create a topic. I'm pretty confident I can select the right three options.
AD
Adelina 1 year ago
I practiced a similar question, and I believe you can install a predefined set of plugins and also choose the version of Jenkins core.
MO
Moon 1 year ago
Multiproxing, that's the one! I remember learning about that in class as the most advanced way to hide your IP address.
MA
Ma 1 year ago
Wait, is this a trick question? What if the real answer is none of the above, and auto.create.topics.enable is just a lie to make us feel better about our Kafka deployments?
DO
Domingo 1 year ago
↳ replying to Ma
D) Producer sends message to a topic
LA
Lashawnda 1 year ago
↳ replying to Ma
B) Consumer reads message from a topic
AN
Annelle 1 year ago
↳ replying to Ma
A) Client requests metadata for a topic
JO
Jovita 1 year ago
Haha, I bet the real answer is that the Kafka broker just automatically creates topics whenever it feels like it. You know, to keep us on our toes!
HE
Hershel 1 year ago
↳ replying to Jovita
User3: C) Client alters number of partitions of a topic
MA
Margart 1 year ago
↳ replying to Jovita
User2: D) Producer sends message to a topic
SH
Shawna 1 year ago
↳ replying to Jovita
User1: A) Client requests metadata for a topic
HA
Han 1 year ago
I'm not sure about C, but A, B, and D seem logical to me too.
MA
Maurine 1 year ago
I'm pretty sure C is also a valid answer. Altering partition count should trigger topic creation if it doesn't already exist.
BI
Billy 1 year ago
↳ replying to Maurine
D) Producer sends message to a topic
AL
Alline 1 year ago
↳ replying to Maurine
B) Consumer reads message from a topic
OL
Olive 1 year ago
↳ replying to Maurine
A) Client requests metadata for a topic
ST
Stephaine 2 years ago
I agree with Ilene, those scenarios make sense for auto topic creation.
YO
Yolando 2 years ago
A, D, and maybe B seem like the obvious answers here. Auto-creating topics is usually triggered by client requests or message production, not by consumers reading messages.
BA
Barb 1 year ago
↳ replying to Yolando
B) Consumer reads message from a topic
LA
Lavonda 1 year ago
↳ replying to Yolando
D) Producer sends message to a topic
DA
Dalene 1 year ago
↳ replying to Yolando
A) Client requests metadata for a topic
IL
Ilene 2 years ago
I think the answer is A, B, and D.
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