MikroTik MTCNA Exam - Topic 3 Question 91 Discussion

Actual exam question for MikroTik's MTCNA exam

Question #: 91
Topic #: 3

[All MTCNA Questions]

Select all tunnels that support authentication of clients with a username and password.

APPPoE

BOpenVPN

CIPIP

DPPTP/L2TP

EEoIP

Show Suggested Answer

Suggested Answer: A

by Bim at Jan 29, 2026, 05:38 PM

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Diego

10 hours ago

What about D? PPTP/L2TP also uses authentication.

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Tamekia

6 days ago

I agree with Shawn. OpenVPN is great for security.

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Shawn

11 days ago

I think A and B are correct. They both support username and password.

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Noel

16 days ago

IPIP? Nah, that one doesn't do authentication like the others.

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Quentin

2 months ago

Yeah, I agree with the others, those are the main ones.

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Jenifer

2 months ago

Wait, does EoIP really support that? Seems odd.

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Vi

2 months ago

I think PPTP/L2TP does too!

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Rupert

3 months ago

PPPoE and OpenVPN definitely support username/password.

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Jacqueline

3 months ago

This exam is making me tunnel vision, but I'll keep digging for the right answers.

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Mabelle

3 months ago

Wait, is A) PPPoE really a tunnel protocol? I'm so confused right now.

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Delmy

3 months ago

Hmm, I thought E) EoIP was for Ethernet over IP, not user authentication.

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Eun

3 months ago

I'm pretty sure C) IPIP doesn't have any authentication options.

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Ludivina

3 months ago

B) OpenVPN also supports client authentication with username and password.

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Hayley

4 months ago

D) PPTP/L2TP is the correct answer.

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Chau

4 months ago

I feel like I saw something about EoIP not supporting authentication, but I could be mixing it up with another protocol.

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Aja

4 months ago

I practiced a similar question, and I think both OpenVPN and PPTP/L2TP are correct, but I'm hesitant about PPPoE.

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Latrice

5 months ago

I think PPTP/L2TP definitely supports username and password, but I can't recall if IPIP does.

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Leah

5 months ago

I remember studying PPPoE and OpenVPN for client authentication, but I'm not sure about EoIP.

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Kassandra

5 months ago

Hmm, I'm a little fuzzy on the specifics of these tunneling protocols. I'll need to think through each one carefully to determine which ones involve authentication. Better not rush this one.

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Dylan

5 months ago

Ah, I remember learning about these in class. I'm pretty confident that PPPoE, OpenVPN, and PPTP/L2TP all support client authentication with a username and password. I'll mark those down.

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Ena

5 months ago

I'm a bit unsure about this one. I know PPTP and L2TP can use authentication, but I'm not sure about the others. Maybe I'll make an educated guess and see how it goes.

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Brandon

6 months ago

Okay, let's see... PPPoE, OpenVPN, and PPTP/L2TP all sound like they could involve authentication. I'll need to double-check the details on each of those.

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Teddy

6 months ago

Hmm, this one seems straightforward. I think I'll start by eliminating the options that clearly don't involve authentication, like IPIP and EoIP.

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