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Which protocol would the network administrator choose for the wireless network design. If he needs to satisfy the minimum requirement of 2.4 GHz, 22 MHz of bandwidth, 2 Mbits/s stream for data rate and use DSSS for modulation.
Correct Answer: C
The 802.11b protocol is the correct choice for the network administrator to satisfy the specified requirements. This protocol operates in the 2.4 GHz frequency band, uses Direct-Sequence Spread Spectrum (DSSS) for modulation, and provides a data rate of up to 11 Mbits/s, which is well above the minimum requirement of 2 Mbits/s. The 802.11b standard also uses a channel width of 22 MHz, which matches the given specification. It was designed to be backward compatible with the original 802.11 standard and is widely used due to its range and compatibility with many devices. References: * IEEE 802.11b-1999 standard documentation. * Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications1.