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Question 18 - HPE6-A85 discussion

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You need to configure wireless access for several classes of loT devices, some of which operate only with 802 11b. Each class must have a unique PSK and will require a different security policy applied as a role There will be 15-20 different classes of devices and performance should be optimized

Which option fulfills these requirements''

A.
Single SSID with MPSK for each loT class using 5 GHz and 6 GHz bands
Answers
A.
Single SSID with MPSK for each loT class using 5 GHz and 6 GHz bands
B.
Single SSID with MPSK for each loT class using 2.4GHz and 5 GHz bands
Answers
B.
Single SSID with MPSK for each loT class using 2.4GHz and 5 GHz bands
C.
Individual SSIDs with unique PSK for each loT class, using 5GHz and 6 GHz bands
Answers
C.
Individual SSIDs with unique PSK for each loT class, using 5GHz and 6 GHz bands
D.
Individual SSIDs with unique PSK for each loT class, using 2.4GHZ and 5GHz band
Answers
D.
Individual SSIDs with unique PSK for each loT class, using 2.4GHZ and 5GHz band
Suggested answer: B

Explanation:

For configuring wireless access for multiple classes of IoT devices with varying security requirements, using a single SSID with Multiple Pre-Shared Keys (MPSK) is an efficient solution. MPSK allows different devices or groups of devices to connect to the same SSID but with unique PSKs, facilitating unique security policies for each class. Given that some IoT devices only support 802.11b, which operates in the 2.4GHz band, it is essential to include the 2.4GHz band in the configuration. The 5GHz band should also be included to support devices capable of operating in that band and to optimize network performance. The 6GHz band (option A) is not suitable since 802.11b devices are not compatible with it. Individual SSIDs for each IoT class (options C and D) would unnecessarily complicate network management and SSID overhead.

asked 16/09/2024
Sterling White
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