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CWNP CWISA-102 Exam
Certified Wireless IoT Solutions Administrator (Page 4 )

Updated On: 7-Feb-2026
Page 3 of 15
PDF with 67 Questions

What software is typically stored in ROM and is used to initialize a device?

  1. Firmware
  2. Application
  3. Container
  4. Service

Answer(s): A

Explanation:

Firmware Definition: Firmware is a type of software embedded in hardware devices. It provides low- level instructions that control the basic operations and initialization of the device. ROM Storage: Firmware is typically stored in Read-Only Memory (ROM) or other forms of non- volatile memory, meaning it persists even when the device is powered off.
Functions:
Booting: Initiates the hardware and loads the operating system. Hardware Control: Provides an interface between the hardware and the operating system. BIOS: The firmware on PCs is often referred to as BIOS (Basic Input/Output System).


Reference:

Firmware


https://en.wikipedia.org/wiki/Firmware ROM: https://en.wikipedia.org/wiki/Read-only_memory



You have been asked to consider smart building opportunities for your organization.
Which one of these is a benefit of smart building technology?

  1. Increased vacation time for building managers
  2. Improved operational efficiency
  3. Reduced design and construction costs
  4. Faster Wi-Fi connectivity

Answer(s): B

Explanation:

Smart Building Core Benefit: Smart building technologies primarily aim to optimize a building's operational efficiency through automation and data-driven insights.
Efficiency Examples:
Energy Management: Automated lighting and HVAC control based on occupancy and environmental conditions.
Maintenance: Predictive maintenance through IoT sensors reduces downtime. Space Utilization: Optimization of space allocation based on real-time usage patterns.


Reference:

Smart Buildings: https://en.wikipedia.org/wiki/Smart_building

Articles on Benefits of Smart Buildings: A quick search will yield many resources detailing these advantages.



What best describes the area covered or connected by a WWAN?

  1. City
  2. Campus
  3. Region
  4. In-building

Answer(s): C

Explanation:

WWAN (Wide-Area Wireless Network): WWANs provide connectivity over extensive geographic areas, typically covering regions or even entire countries. Cellular Technology: WWANs often rely on cellular networks (3G, 4G, 5G) offered by mobile carriers.


Reference:

WWAN: https://en.wikipedia.org/wiki/Wireless_wide_area_network



What function does the IEEE perform in relation to wireless technologies?

  1. Promotes technology and standards development
  2. Designs wireless chipsets
  3. Certified equipment to be compatible
  4. Brings wireless products to market

Answer(s): A

Explanation:

IEEE's Role: The Institute of Electrical and Electronics Engineers (IEEE) is a global organization critical in developing and promoting technical standards across various fields, including wireless technologies.
Standards Work: IEEE creates wireless technology standards like:
IEEE 802.11: Wi-Fi standards
IEEE 802.15.4: Basis for ZigBee, Thread, and other low-power networks Reference:
IEEE: https://www.ieee.org/



What is the benefit of using SINR as opposed to SNR to reference signal quality at a receiver?

  1. SINR includes interference as well as the noise floor
  2. SNR excludes the noise floor, which skews the results
  3. SINR excludes interference and only measures the noise floor
  4. SNR includes interference measurements that skew the results

Answer(s): A

Explanation:

SINR vs. SNR:
SNR (Signal-to-Noise Ratio): Measures the power of the desired signal relative to background noise. SINR (Signal-to-Interference-plus-Noise Ratio): Considers both background noise and interference from other signals operating on the same frequency.

Practical Importance: SINR is a more realistic indicator of real-world signal quality in wireless environments where interference is a significant factor.


Reference:

SINR: https://en.wikipedia.org/wiki/Signal-to-interference-plus-noise_ratio SNR: https://en.wikipedia.org/wiki/Signal-to-noise_ratio






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