TestOut LabSim A+ Certification Practice Exam

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Which 802.11 standard allows for data rates up to 150 Mbps when using wireless access points?

802.11g
802.11b
802.11n
802.11ac

The correct answer is: 802.11n

The 802.11n standard is designed to support data rates of up to 600 Mbps, but it can achieve rates of 150 Mbps per stream when using specific configurations. This standard introduced technologies such as Multiple Input Multiple Output (MIMO) and channel bonding, which significantly increased throughput and range compared to previous standards. 802.11g, while offering rates up to 54 Mbps, does not reach 150 Mbps, and 802.11b only supports a maximum of 11 Mbps. On the other hand, 802.11ac, which succeeded 802.11n, can achieve much higher speeds, but the question specifically asks about the 150 Mbps rate, which is clearly within the capabilities of 802.11n under certain conditions. Therefore, in this context, 802.11n is the correct answer as it allows for data rates up to 150 Mbps when configured appropriately with wireless access points.