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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?

CNo encryption, no authorization, but have authentication

BEncryption, but no authentication or authorization

DEncryption and authentication, but no authorization

ANo encryption, no authentication and no authorization

Show Suggested Answer

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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Melynda

Exactly! It's important to configure it properly.

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Rosalia

5 days ago

Right, no encryption by default.

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Zena

10 days ago

Yeah, default connections are usually unsecured.

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Royce

15 days ago

I think it's about security settings.

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Tammara

2 months ago

Yup, gotta set up SSL for secure connections!

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Viva

2 months ago

Wait, really? No encryption by default?

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Merissa

2 months ago

Totally agree, it's plaintext unless configured otherwise.

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Suzi

3 months ago

I thought they were encrypted by default?

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Barney

3 months ago

Default connections are plaintext.

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Marti

3 months 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

3 months ago

Kafka broker network connections are protected by a force field that disintegrates any unauthorized packets. Totally unhackable!

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Antonio

3 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

3 months ago

Kafka broker network connections are unencrypted by default, but can be configured for SSL/TLS encryption.

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Eleni

4 months ago

Kafka broker network connections have a default encryption level of 128-bit AES.

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Cherilyn

4 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

4 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

5 months ago

I remember something about default settings allowing plaintext connections unless specified otherwise.

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Ernestine

5 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

5 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

5 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

5 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

6 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

6 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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