COMPUTER NETWORKING

WIRELESS NETWORKS AND MOBILE IP

WIRELESS NETWORKS

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

Which of these 802.11 standards is the best choice for upgrading a network to run up to 600 Mbps while maintaining backward compatibility with 802.11b equipment?

A	802.11a
B	802.11b
C	802.11n
D	802.11g

Explanation:

Detailed explanation-1: -802.11n supports multi-channel utilization and operates at both 2.4 GHz and 5 GHz bands. The maximum data rate for this wireless networking standard is 600 Mbps and it provides backward compatibility with its predecessors.

Detailed explanation-2: -802.11n (Wi-Fi 4) The first standard to specify MIMO, 802.11n was approved in October 2009 and allows for usage in two frequencies-2.4GHz and 5GHz, with speeds up to 600Mbps.

Detailed explanation-3: -Which 802.11 standard will work best in this situation? 802.11n is the best choice for this client. 802.11b and 802.11g both operate in the 2.4 GHz to 2.4835 GHz range, which would cause interference with the client’s wireless phone system.

Detailed explanation-4: -Today 802.11g is still the most commonly deployed standard. Ratification of 802.11a took place in 1999. The 802.11a standard uses the 5 GHz spectrum and has a maximum theoretical 54 Mbps data rate.

There is 1 question to complete.