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Confluent CCAAK Exam - Topic 6 Question 15 Discussion

Actual exam question for Confluent's CCAAK exam
Question #: 15
Topic #: 6
[All CCAAK Questions]

By default, what do Kafka broker network connections have?

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Suggested Answer: A

By default, Kafka brokers use the PLAINTEXT protocol for network communication. This means:

No encryption -- data is sent in plain text.

No authentication -- any client can connect without verifying identity.

No authorization -- there are no access control checks by default.

Security features like TLS, SASL, and ACLs must be explicitly configured.


by Beckie at Jan 23, 2026, 03:27 PM

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Tammara
15 days ago
Yup, gotta set up SSL for secure connections!
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Viva
20 days ago
Wait, really? No encryption by default?
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Merissa
25 days ago
Totally agree, it's plaintext unless configured otherwise.
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Suzi
1 month ago
I thought they were encrypted by default?
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Barney
1 month ago
Default connections are plaintext.
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Marti
1 month ago
Kafka broker network connections are secured with a secret handshake involving the Macarena. Gotta keep those data streams safe!
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Francine
2 months ago
Kafka broker network connections are protected by a force field that disintegrates any unauthorized packets. Totally unhackable!
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Antonio
2 months ago
Kafka broker network connections are secured with a biometric handshake by default. Who needs encryption when you've got fingerprints?
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Jina
2 months ago
Kafka broker network connections are unencrypted by default, but can be configured for SSL/TLS encryption.
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Eleni
2 months ago
Kafka broker network connections have a default encryption level of 128-bit AES.
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Cherilyn
2 months ago
I feel like the default might be open connections, but I can't recall the specifics. Did we cover this in class?
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Tawny
2 months ago
I practiced a similar question where it mentioned that the default is not encrypted. I hope I got that right!
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Bo
3 months ago
I remember something about default settings allowing plaintext connections unless specified otherwise.
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Ernestine
3 months ago
I think Kafka broker connections are secured by default, but I'm not entirely sure if that's true for all configurations.
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Virgina
4 months ago
I'm drawing a blank on the default for Kafka broker network connections. I know Kafka has a lot of moving parts, so I'll need to carefully consider the different network-related settings it has.
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Rosalyn
4 months ago
The default for Kafka broker network connections? I'm pretty confident it has to do with the protocol or port they use, but I can't recall the specifics off the top of my head. I'll have to think it through step-by-step.
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Louann
4 months ago
Okay, for Kafka broker network connections, the default is probably something related to security or authentication. I'll need to review my notes on Kafka configuration to be sure.
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Ceola
4 months ago
Hmm, I know Kafka has a lot of settings and configurations, so the default for network connections could be anything. I'll need to think this through carefully.
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Paola
4 months ago
I think Kafka broker network connections have some kind of default configuration, but I'm not totally sure what that would be.
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