CREST Practitioner Security Analyst (CPSA) Practice

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Master the CREST Practitioner Security Analyst Exam. Prepare with quizzes and comprehensive study guides that include tips and explanations. Excel in your certification journey!

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What is the maximum speed of the 802.11n wireless standard?

11 Mbps
54 Mbps
108 Mbps
300 Mbps

The correct answer is: 108 Mbps

The maximum speed of the 802.11n wireless standard is indeed 300 Mbps. This standard, which was ratified in 2009, was a significant advancement over previous wireless standards, particularly in terms of speed and performance. 802.11n introduced multiple-input multiple-output (MIMO) technology, allowing for the use of multiple antennas at both the transmitter and receiver ends, which enhances throughput and reliability. When configured with four spatial streams, as supported by 802.11n, the theoretical maximum data rate can reach up to 600 Mbps. However, commonly available configurations that utilize fewer streams typically offer maximum speeds around 300 Mbps. This advancement made 802.11n suitable for a range of applications that require higher bandwidth, such as video streaming and online gaming, distinguishing it clearly from earlier standards like 802.11g, which maxed out at 54 Mbps, and other lower-speed standards.