CWISA-102 Exam Dumps : Certified Wireless IoT Solutions Administrator

• OFDM vs. OFDMA:

References

• OFDM: https://en.wikipedia.org/wiki/Orthogonal_frequency-division_multiplexing
• OFDMA: https://en.wikipedia.org/wiki/Orthogonal_frequency-division_multiple_access

• ITU's Mandate: The International Telecommunication Union (ITU) is a specialized agency of the United Nations focused on global information and communication technologies (ICTs).
• Radio Spectrum Regulation: A core ITU function is allocating radio spectrum bands and satellite orbits to prevent harmful interference between different countries and technologies. This coordination is essential for the orderly use of wireless communications worldwide.
• Other ITU Roles: While involved in standard-setting and establishing best practices, options A and D are less precise than the ITU's spectrum coordination focus.

References:

• ITU Website: (https://www.itu.int/en/) Outlines its activities and governance of radio spectrum.
• ITU Radio Regulations: The international treaty governing the use of the radio-frequency spectrum.

• JSON Fundamentals: JSON (JavaScript Object Notation) is a text-based format for representing data in a structured, yet flexible way. Its key features are:
• JSON vs. Other Options

References:

• JSON Introduction: Clear definitions and examples of its syntax. (e.g., https://www.json.org/json-en.html)
• JSON Data Structures: Explanations of how arrays and nested objects are handled within JSON.