Question

Which statement is TRUE with respect to the IEEE 802.15.4 standard?
1.It is a low data-rate standard
2.Used for architecting wireless PANs
3.Uses only two layers – PHY and MAC
4.All of these

Answer 1

All of these is TRUE with respect to the IEEE 802.15.4 standard

Option (4)

Explanation:

• 'IEEE 802.15.4' is a standard that was developed to provide a framework and the lower layers in the 'OSI model for low power', low-cost wireless connectivity networks.
• 'IEEE 802.15.4' is a 'technical standard' that describes the operation of 'low-rate' (LR-WPANs) 'wireless personal area networks'.
• It defines the 'physical layer' and 'media access control' for 'LR-WPANs', and is maintained by the 'IEEE 802.15.4' working group, which described the standard in 2003.

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