CWNP CWISA-103 Exam Questions
Certified Wireless IoT Solutions Administrator (Page 4 )

Updated On: 27-Apr-2026

What part(s) of the OSI network model does the IETF primarily focus on for the development of standards?

  1. Physical Layerand above
  2. All layers
  3. Network Layer and above
  4. Data Link Layer

Answer(s): C

Explanation:

IETF's Focus: The Internet Engineering Task Force (IETF) primarily develops and standardizes internet protocols operating at the Network Layer (Layer 3) and above in the OSI model. Key Protocols: Some prominent IETF-developed protocols include:
IP (Internet Protocol): Foundation of internet addressing and routing. TCP (Transmission Control Protocol): Reliable, connection-oriented data transport. UDP (User Datagram Protocol): Connectionless, best-effort data transport. DNS (Domain Name System): Translates domain names into IP addresses. HTTP (Hypertext Transfer Protocol): Web communication.


Reference:

IETF Website: https://www.ietf.org/
OSI Model: https://en.wikipedia.org/wiki/OSI_model



What organization maintains and publishes the 802.15.4 Standard?

  1. Bluetooth SIG
  2. IEEE
  3. IETF
  4. Zigbee Alliance

Answer(s): B

Explanation:

IEEE 802.15.4: The IEEE 802.15.4 standard is a fundamental specification for low-rate wireless personal area networks (LR-WPANs). It serves as the basis for many wireless IoT protocols. IEEE's Role: The Institute of Electrical and Electronics Engineers (IEEE) is the organization responsible for creating, maintaining, and publishing the 802.15.4 standard.


Reference:

IEEE 802.15.4 Standard: https://standards.ieee.org/standard/802_15_4-2020.html IEEE Website: https://www.ieee.org/



What is the most common difference between a single board computer (SBC) and a controller board?

  1. SBCs typically have connectors for display and input devices while controller boards do not
  2. Controller boards have I/O headers and SBCs do not
  3. SBCs always have connectors for M2 devices and controller boards do not
  4. Controller boards have more powerful processors than most SBCs

Answer(s): A

Explanation:

SBCs (Single Board Computers): Designed as standalone, small-form-factor computers. They often include:
Display Interfaces: HDMI, DisplayPort, etc.
Input Connections: USB for keyboards, mice, etc.

General Purpose Functionality: Can run a full operating system for wider applications. Controller Boards: Focus on controlling specific hardware or systems. Limited direct I/O: Limited connectors for displays/input devices. Specialized tasks: Designed for embedded applications within larger systems.


Reference:

SBC Examples: https://www.raspberrypi.org/, https://www.beagleboard.org/ Controller Board Examples: https://www.arduino.cc/



You are considering the implementation of a lab for testing wireless equipment.
What is the primary benefit of such a lab? (Choose the single best answer.)

  1. Provides for testing to determine how much RF exposure you can tolerate
  2. Provides a failover environment for your production systems
  3. Provides a way to repurpose old hardware that is not ready for final removal
  4. Provides a safe environment in which to develop practical skills and knowledge of a technology and to test the technology

Answer(s): D

Explanation:

Lab Purpose: Wireless testing labs offer controlled settings to:
Skill Development: Hone practical understanding of wireless technologies without impacting production environments.
Experimentation: Safely test different configurations, compatibility, and potential issues. Troubleshooting: Isolate problems, test solutions, and understand how equipment behaves in various scenarios.
Other Benefits (While not the primary benefit):
Learning Environment: Ideal for structured training and exploration. Evaluation: Compare hardware performance before deployment.


Reference:

Benefits of IT Labs: Can be extended from wireless to broader IT experimentation and learning.
(Articles on this topic are readily available)



What is the typical range of a wireless body area network (WBAN)?

  1. 1-2 meters
  2. 10 square meters
  3. 10 centimeters
  4. 10 meters

Answer(s): A

Explanation:

WBAN Range: Wireless Body Area Networks (WBANs) specialize in short-range communication around the human body. Typical ranges fall within 1-2 meters.
Purpose: This range is designed to:
Connect sensors monitoring health metrics.
Transmit data to a central coordinator device (e.g., smartphone). Minimize interference potential with other wireless networks.


Reference:

WBAN Overview: https://en.wikipedia.org/wiki/Body_area_network WBAN Research Paper (Check Range Discussion): https://www.mdpi.com/2224-2708/11/4/67



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 Explanation- 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



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