HPE6-A78 Exam - Topic 2 Question 84 Discussion

Actual exam question for HP's HPE6-A78 exam

Question #: 84
Topic #: 2

Refer to the exhibit.

You have set up a RADIUS server on an ArubaOS Mobility Controller (MC) when you created a WLAN named "MyEmployees .You now want to enable the MC to accept change of authorization (CoA) messages from this server for wireless sessions on this WLAN.

What Is a part of the setup on the MC?

ACreate a dynamic authorization, or RFC 3576, server with the 10.5.5.5 address and correct shared secret.

BInstall the root CA associated with the 10 5.5.5 server's certificate as a Trusted CA certificate.

CConfigure a ClearPass username and password in the MyEmployees AAA profile.

DEnable the dynamic authorization setting in the 'clearpass' authentication server settings.

Show Suggested Answer

Suggested Answer: A

To enable an ArubaOS Mobility Controller (MC) to accept Change of Authorization (CoA) messages from a RADIUS server for wireless sessions on a WLAN, part of the setup on the MC involves creating a dynamic authorization, or RFC 3576, server with the provided IP address (10.5.5.5) and the correct shared secret. This setup allows the MC to handle CoA requests, which are used to change the authorization attributes of a session after it has been authenticated, such as disconnecting a user or changing a user's VLAN assignment.

by Rickie at Nov 21, 2025, 12:02 PM

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Han

17 days ago

C) seems unnecessary for this specific task.

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Leota

22 days ago

I think B) is also important for security.

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Dick

27 days ago

D) Gotta love those dynamic authorization settings, makes life so much easier.

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Pete

1 month ago

The shared secret better be strong or the hackers will have a field day!

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Essie

1 month ago

A) Creating a dynamic authorization server with the correct settings is crucial.

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Irene

1 month ago

B) Installing the root CA is important for the MC to trust the RADIUS server.

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Colton

2 months ago

D) Seems like the correct option to enable CoA on the MC.

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Eleonore

2 months ago

I’m leaning towards option A because it mentions the RFC 3576, which we discussed in class as essential for CoA, but I’m not completely confident.

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Renea

2 months ago

I feel like the root CA installation is important too, but I can't recall if it directly relates to CoA messages. Could it be option B?

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Stefany

2 months ago

I remember practicing a question where we had to configure a RADIUS server, and I think enabling the dynamic authorization setting was crucial, so maybe it's option D.

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Hyman

2 months ago

I think we talked about the importance of setting up a dynamic authorization server, but I'm not entirely sure if it's option A or D that we need to focus on.

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Phuong

2 months ago

I'm pretty confident that the right answer is option D. The question is specifically asking what needs to be done on the MC, and enabling the dynamic authorization setting is the only option that directly addresses that.

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Danilo

3 months ago

Okay, let me think this through. We need to enable the MC to accept CoA messages from the RADIUS server. So I think we need to configure the RADIUS server details on the MC, like the IP address and shared secret. That sounds like option A to me.

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Cecilia

3 months ago

A) is definitely needed for CoA setup.

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Floyd

3 months ago

This question is tricky.

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Vallie

3 months ago

Why A?

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Fidelia

4 months ago

Hmm, I'm a bit confused. The question mentions a RADIUS server, but the options talk about a ClearPass server. I'm not sure if they're the same thing or if I need to do something with the RADIUS server instead.

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Junita

4 months ago

I think the key here is to enable the dynamic authorization setting on the MC. That's what the question is asking for, so I'll go with option D.

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Malika

3 months ago

But what about setting up the server address? Isn't that important?

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