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Exam 200-355 topic 1 question 270 discussion

Actual exam question from Cisco's 200-355
Question #: 270
Topic #: 1
[All 200-355 Questions]

Which two statements about WiMAX technology are true? (Choose two.)

  • A. WiMAX is defined by 802.11i.
  • B. Typically, fixed WiMAX networks have a higher-gain directional antenna installed near the client.
  • C. WiMAX is capable of working as a long-range system over several miles.
  • D. WiMAX works only for licensed frequencies.
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Suggested Answer: BC 🗳️
WiMAX is defined by 802.16, that is intended for wireless "metropolitan area networks". WiMAX can provide broadband wireless access (BWA) up to 30 miles (50 km) for fixed stations, and 3 - 10 miles (5 - 15 km) for mobile stations. In contrast, the WiFi/802.11 wireless local area network standard is limited in most cases to only 100 - 300 feet (30 - 100 m). Fixed WiMAX networks typically have a higher -gain directional antenna installed near the client (customer) which results in greatly increased range and throughput. Using 802.11 with high-gain antenna can bridge last-mile gaps, but they require more power. WiMAX operates on both licensed and non-licensed frequencies, providing a regulated environment and viable economic model for wireless carriers. In particular, WiMax operates on the
10-to 66-GHz frequency band, so it doesn't interfere with 802.11 LANs.
by [deleted] at April 3, 2025, 5:21 a.m.

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