Eccouncil ECSS Exam - Topic 4 Question 96 Discussion

Actual exam question for Eccouncil's ECSS exam

Question #: 96
Topic #: 4

Jessica, a user, wanted to access the Internet from her laptop and therefore sends a connection request to the access point. To identify the wireless client, the access point forwarded that request to a RADIUS server. The RADIUS server transmitted authentication keys to both the access point and Jessica's laptop. This key helps the access point identify a particular wireless client.

Identify the authentication method demonstrated in the above scenario.

AOpen system authentication

BNull authentication

CShared key authentication

DCentralized authentication

Show Suggested Answer

Suggested Answer: D

The scenario described involves the use of a RADIUS (Remote Authentication Dial-In User Service) server.RADIUS is a client-server protocol that provides centralized network authentication12. In this case, the access point (client) forwards the connection request to the RADIUS server, which then sends authentication keys to both the access point and the user's laptop (supplicant).This process helps the access point identify the wireless client12.

RADIUS servers are also known as AAA (Authentication, Authorization, and Accounting) servers because they provide these three services1. The authentication process begins when a user attempts to log into the network.Their device will request access either through the use of credentials or by presenting an X.509 digital certificate1.The RADIUS server then compares the user's information with a list of users stored in a directory or IDP (Identity Provider)1.

Therefore, the authentication method demonstrated in the scenario iscentralized authentication(Option D), where a central server (in this case, the RADIUS server) handles the authentication of users.

by Myrtie at Oct 22, 2024, 07:40 PM

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Yun

6 months ago

Nah, this is clearly centralized. RADIUS is key!

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Galen

6 months ago

I thought open system was more common for basic setups.

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Major

6 months ago

Wait, are we sure it's not shared key authentication?

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Eleonore

7 months ago

Definitely, RADIUS is all about that centralized approach.

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Celeste

7 months ago

Sounds like centralized authentication to me!

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Georgene

7 months ago

I feel like this is definitely not open system or null authentication, but I can't quite remember the specifics of centralized versus shared key.

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Abraham

7 months ago

I’m a bit confused because I thought shared key authentication was more about pre-shared keys, but this mentions keys being transmitted.

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Glory

7 months ago

This sounds a lot like the practice questions we did on authentication methods. I think it might be centralized authentication since it involves a server.

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Cathrine

8 months ago

I remember studying RADIUS and how it relates to centralized authentication, but I'm not entirely sure if that's the right term for this scenario.

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Lawanda

8 months ago

I'm pretty confident the answer is C, shared key authentication. The key being shared between the access point and the client's laptop is a clear indicator of that method.

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Louisa

8 months ago

Okay, I've got this. The scenario describes the access point forwarding the connection request to a RADIUS server, which then transmits authentication keys. That sounds like centralized authentication to me.

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Anisha

8 months ago

Hmm, I'm a bit confused by the mention of the RADIUS server. I'll need to think through how that fits into the different authentication methods.

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Merissa

8 months ago

This seems like a straightforward question about wireless authentication methods. I'll carefully review the details in the scenario and compare them to the answer choices.

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Pamella

2 years ago

Ah, the age-old question of wireless authentication. I bet the answer is as clear as a sunny day. *winks* Centralized authentication, of course!

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Gregg

2 years ago

D) Centralized authentication

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Ailene

2 years ago

C) Shared key authentication

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Wilburn

2 years ago

B) Null authentication

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Chantay

2 years ago

A) Open system authentication

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Linwood

2 years ago

Null authentication? Really? This is clearly a case of the access point verifying the client's identity using the RADIUS server. Centralized authentication all the way!

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