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HPE7-A01 Exam - Topic 5 Question 7 Discussion

Actual exam question for HP's HPE7-A01 exam
Question #: 7
Topic #: 5
[All HPE7-A01 Questions]

Your manufacturing client is deploying two hundred wireless IP cameras and fifty headless scanners in their warehouse. These new devices do not support 802.1X authentication.

How can HPE Aruba enhance security for these new IP cameras in this environment?

Show Suggested Answer Hide Answer
Suggested Answer: C

The best option to enhance security for the new IP cameras and scanners in this environment is C. MPSK provides for each device in the WLAN to have its own unique pre-shared key.

MPSK stands for Multi Pre-Shared Key, and it is a feature that allows different devices to connect to the same SSID with different pre-shared keys. This improves the security and scalability of the network, as each device can have its own key and role without requiring 802.1X authentication or an external policy engine. MPSK can be configured either locally on the AP or centrally on Aruba Central12.

The other options are incorrect because:

A) MPSK Local is a feature that allows the user to configure 24 PSKs per SSID locally on the device. These local PSKs would serve as an extension of the base MPSK functionality. However, MPSK Local is not suitable for this scenario, as it can only support up to 24 devices per SSID, while the client has 250 devices1.

B) Aruba ClearPass is a network access control solution that can perform 802.1X authentication and install certificates for devices. However, this option is not feasible for this scenario, as the new IP cameras and scanners do not support 802.1X authentication3.

D) MPSK Local will not allow the cameras to share a key and the scanners to share a different key. MPSK Local will assign a different key to each device, regardless of their type. Moreover, MPSK Local can only support up to 24 devices per SSID, while the client has 250 devices1.


by Gwenn at Nov 27, 2023, 05:08 AM

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Jovita
2 months ago
Totally agree, unique keys are the way to go!
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Kami
2 months ago
Wait, can MPSK really handle all those devices?
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Brande
2 months ago
MPSK Local is a solid choice for unique keys!
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Stanford
3 months ago
I think ClearPass is overkill for this setup.
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Nana
3 months ago
MPSK provides great security for each device.
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Corrie
3 months ago
This is a good test of our understanding of Aruba's security features. I'm confident I can work through this step-by-step.
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Vincent
3 months ago
Okay, I think I understand the options. I'll need to carefully consider the tradeoffs between the MPSK and ClearPass approaches.
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Delmy
4 months ago
MPSK seems like the way to go here. Unique pre-shared keys for each device should provide good security without 802.1X.
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Gladys
4 months ago
Hmm, I'm a bit confused about the 802.1X requirement. I'll need to review that part of the material again.
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Glory
4 months ago
This looks like a pretty straightforward security question. I think I know the right approach here.
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Heidy
4 months ago
I think option D sounds familiar, but I’m not confident that sharing keys between different device types is secure enough.
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Weldon
4 months ago
I feel like MPSK is the right approach, but I can't recall if it allows for unique keys per device or just per group.
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Omer
4 months ago
I think I saw a practice question about ClearPass and 802.1X, but since these devices don’t support it, I’m not sure how that applies here.
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Ezekiel
5 months ago
I remember studying MPSK and how it can enhance security by providing unique keys, but I'm not sure if "Local" means it can do that for all devices.
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Elmer
5 months ago
Hmm, I'm a bit unsure about this one. I know the Scrum Team is involved in the PI planning process, but I can't recall exactly who decides the Business Value scoring. I'll have to think this through carefully.
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Lettie
5 months ago
Okay, let's see. I think the Instance Hostname and Version are definitely going to be required. And we'll probably need some kind of authentication, so the Keystore Password or Business Manager credentials could be it.
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