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220-1201 · Question #92

Which of the following combinations of specifications and frequencies delivers the greatest speed and compatibility for lot devices?

The correct answer is D. N and 2.4GHz. 802.11n combined with the 2.4GHz frequency offers the greatest compatibility for IoT devices. 802.11n: Operates on both 2.4GHz and 5GHz bands, offering backward compatibility with older standards like 802.11b/g. 2.4GHz: Has longer range and better penetration through walls…

Submitted by marco_it· Mar 30, 2026Networking

Question

Which of the following combinations of specifications and frequencies delivers the greatest speed and compatibility for lot devices?

Options

  • AA and 5GHz
  • BBand 2.4GHz
  • CG and 5GHz
  • DN and 2.4GHz

How the community answered

(67 responses)
  • A
    1% (1)
  • B
    3% (2)
  • C
    7% (5)
  • D
    88% (59)

Explanation

802.11n combined with the 2.4GHz frequency offers the greatest compatibility for IoT devices. 802.11n: Operates on both 2.4GHz and 5GHz bands, offering backward compatibility with older standards like 802.11b/g. 2.4GHz: Has longer range and better penetration through walls, making it ideal for IoT devices that are spread across large areas.

Topics

#Wi-Fi standards#802.11n#Wireless frequencies#Network compatibility

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