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CWNP CWISA-103 Exam Questions
- Topic 1: Wireless Technologies: This section of the exam measures the skills of Wireless Architects and covers foundational knowledge of wireless IoT technologies and their applications. It includes maintaining awareness of emerging technologies through research, understanding common applications and their associated frequencies and protocols, and familiarity with key standards organizations like IEEE, IETF, and Wi-Fi Alliance. The domain also encompasses defining various wireless network types including WLAN, WPAN, and IoT implementations across industries, along with understanding the hardware and software components of IoT devices and gateways, covering processors, memory, radios, sensors, and operating systems.
- Topic 2: Radio Frequency Communications: This section of the exam measures the skills of RF Engineers and focuses on the fundamental principles of radio frequency communications. It involves explaining RF wave characteristics such as frequency, wavelength, and amplitude, and understanding behaviors like amplification, attenuation, and free space path loss. The domain covers describing modulation techniques including ASK, FSK, PSK, and QAM, and explaining the capabilities of RF components like radios, antennas, and cabling. It also includes describing the use and capabilities of different RF bands in terms of communication ranges and power levels.
- Topic 3: Planning Wireless Solutions: This section of the exam measures the skills of IoT Solutions Architects and encompasses the planning phase of wireless IoT solutions. It involves identifying system requirements, including use cases, capacity needs, security requirements, and integration needs, while considering constraints such as budgetary, technical, and regulatory limitations. The domain includes selecting appropriate wireless solutions based on requirements, planning for technical needs, including LAN/WAN networking and frequency coordination, and understanding the capabilities of common wireless IoT solutions like Bluetooth, Zigbee, and LoRaWAN, along with location services and methods.
- Topic 4: Implementing Wireless Solutions: This section of the exam measures the skills of Wireless Implementation Specialists and covers the practical implementation of wireless IoT solutions. It involves understanding key issues related to automation, integration, monitoring, and management, and using best practices in implementation,n including pilot testing, configuration, installation, and documentation. The domain includes validating implementations through testing and troubleshooting, performing installation procedures including equipment mounting and connectivity configuration, and implementing security solutions covering authentication, authorization, and encryption. It also encompasses knowledge transfer practice,s including staff training and solution documentation.
- Topic 5: Supporting Wireless Solutions: This section of the exam measures the skills of Wireless Support Engineers and focuses on the ongoing administration and support of wireless solutions across various vertical markets. It involves administering solutions in healthcare, industrial, smart cities, retail, and other environments while troubleshooting common problems including interference, configuration issues, and hardware malfunctions. The domain includes determining the best use of scripting and programming solutions for IoT implementations, understanding data structures and APIs, and comprehending networking and security protocols. It also covers understanding application architectures and their impact on wireless solutions, including single-tier and multi-tier architectures, database systems, and application servers.
Free CWNP CWISA-103 Exam Actual Questions
Note: Premium Questions for CWISA-103 were last updated On Jun. 01, 2026 (see below)
How does OFDMA differ from OFDM?
OFDM vs. OFDMA:
OFDM (Orthogonal Frequency-Division Multiplexing):Divides a channel into multiple subcarriers for data transmission.
OFDMA (Orthogonal Frequency-Division Multiple Access):Extends OFDM by allowing multiple users to share subcarriers simultaneously, improving efficiency and spectral utilization.
Reference
OFDM:https://en.wikipedia.org/wiki/Orthogonal_frequency-division_multiplexing
OFDMA:https://en.wikipedia.org/wiki/Orthogonal_frequency-division_multiple_access
You have implemented a wireless mesh network. All mesh nodes are properly configured for participation in the same mesh network. Several of the mesh nodes are unable to connect to other mesh nodes. What action may provide a solution to this problem?
Mesh Connectivity Depends on Signal:Mesh nodes relay data for each other. Weak signal strength between nodes can disrupt connectivity throughout the network.
Troubleshooting Signal Issues:Physically relocating affected nodes can improve their ability to form stable connections with other nodes in the mesh.
Why Other Options May Not Help:
Separate Mesh: Splits the network, not solving the root connectivity issue
Output Power: May help marginally, but significant improvement is typically achieved through repositioning.
Security Settings: Unlikely to cause connectivity issues between properly configured nodes in the same mesh.
Wireless Mesh Network Troubleshooting:Guides addressing signal strength and coverage concerns.
RF Site Survey Tools:Resources on software that can help visualize signal strength and aid in node placement.
What is an important feature of the PHP scripting language?
PHP's Cross-Platform Nature:PHP originated for server-side web development, but also has a command-line interface (CLI) enabling its use for scripts and automation tasks.
Other Options:
Somelanguages are OS-specific (but less frequent with modern scripting languages) .
Many languages work in weborcommand line, notbothlike PHP.
PHP (Introduction):Overviews mentioning its dual role in server-side web applications and as a general-purpose scripting language.
PHP CLI:Documentation on the command-line interface for PHP.
What is defined as the weakening of signal amplitude as the signal passes through a medium?
Attenuation:Describes the progressive loss of signal strength as it travels through a medium (like air, cables, walls). It's caused by factors like absorption, distance, and obstacles.
Other Phenomena:
Diffraction:Bending of waves around obstacles.
Reflection:Waves bouncing off surfaces.
**Scattering: ** Waves dispersing in multiple directions.
Reference
Attenuation:https://en.wikipedia.org/wiki/Attenuation
What function does the IEEE perform in relation to wireless technologies?
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/
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