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Exam Information
Official specifications published by CWNP
Exam Format
Registration
Validity
Skills this practice test covers
- Calculate EIRP from transmitter power, cable loss and antenna gain in dB and dBm.
- Compare modulation methods such as FSK, QAM, OFDM and Chirp Spread Spectrum (CSS).
- Choose between Bluetooth Low Energy, Zigbee, LoRaWAN and Wi-Fi HaLow for a use case's range and power needs.
- Plan the LAN, edge compute and cloud requirements of a wireless IoT solution.
- Connect devices to other systems with RESTful APIs, MQTT and data formats such as JSON and YAML.
- Troubleshoot interference, misconfiguration and faulty installation in a running IoT system.
Explore related topics
CWISA-103 exam content
5 domains · 28 topics · 55 of 376 questions are written for CWISA-103
Wireless Technologies15%26 questions
This domain sets the scene: the wireless network types, the bodies that write standards and rules, and the parts inside an IoT device or gateway. It also expects candidates to keep up with new technologies through research and lab testing.
Skills tested
- Describe the roles of the IEEE, IETF, Wi-Fi Alliance, Bluetooth SIG, 3GPP, LoRa Alliance and Connectivity Standards Alliance.
- Explain what regulatory agencies such as the FCC, IC and CE control.
- Tell WLAN, WPAN, WBAN, WMAN, WWAN and wireless sensor networks apart.
- Identify the processors, memory, radios, sensors and firmware inside IoT end devices and gateways.
Official topics
- Maintain continued awareness of wireless IoT technologies and applications
- Industry standard, certification and regulatory organizations
- Wireless network types
- Hardware and software components of IoT devices and gateways
Radio Frequency Communications15%29 questions
This domain covers the physics under every wireless link. Candidates explain how RF waves travel, weaken and bounce, how power is measured, how modulation carries data, and what radios, antennas and cabling do.
Skills tested
- Convert between milliwatts and dBm, and read SNR and SINR values.
- Explain absorption, reflection, refraction, scattering and diffraction.
- Compare ASK, FSK, PSK, QAM, OFDM, OFDMA, frequency hopping and Chirp Spread Spectrum.
- Work out EIRP from the intentional radiator and the antenna gain.
- Choose a link type such as point-to-point, point-to-multipoint, mesh or ad-hoc.
Questions by topic
- EIRP Calculation3
- Interference Identification3
- RSSI vs. LQI3
- Free Space Path Loss (FSPL) Definition3
- Modulation Techniques3
- Human Body Interference3
- Spread Spectrum Modulation3
- Types of RF Interference3
- Link Budget and Fade Margin3
- Antenna Diversity2
Planning Wireless Solutions20%
Planning starts from the use case. Candidates gather requirements, list constraints such as budget, security and regulation, pick a fitting wireless IoT solution, and plan the network, systems, edge and cloud pieces it needs.
Skills tested
- Gather use cases, capacity, security and integration requirements, and identify the stakeholders.
- Weigh budgetary, technical, regulatory and business constraints, including limits of the existing network.
- Match a solution such as BLE, Zigbee, LoRaWAN, Sigfox or 802.11ah to the requirements.
- Plan VLANs, PoE, DHCP and DNS, together with edge and cloud compute needs.
- Plan location services such as RTLS and geofencing, using triangulation, trilateration or multilateration.
Official topics
- Wireless IoT system requirements
- System constraints
- Wireless IoT solution selection
- Technical requirements planning
- Common wireless IoT solutions features and implementation planning
Implementing Wireless Solutions25%
This domain is the installation work. Candidates pilot and stage the equipment, mount and configure it safely, connect it to the network and the cloud, secure it, and validate the result before the hand-off.
Skills tested
- Run a pilot test or proof of concept before the full installation.
- Mount equipment in line with OSHA safety requirements and building codes.
- Configure authentication, authorization, encryption, monitoring and onboarding for the devices.
- Validate RF communications and application functionality, then fix what fails.
- Hand off the solution with staff training, documentation and a final customer meeting.
Official topics
- Automation, integration, monitoring, and management
- Best practices in wireless IoT implementations
- Validation of wireless solution implementations
- Basic installation procedures
- Knowledge transfer and hand-off
Supporting Wireless Solutions25%
Support covers the running system. Candidates administer IoT solutions in markets such as healthcare, manufacturing and retail, troubleshoot common faults, and use scripts, APIs and data formats to tie systems together.
Skills tested
- Adjust administration for vertical markets such as healthcare, smart cities and large public venues.
- Troubleshoot interference, signal strength, security misconfiguration and firmware or driver problems.
- Compare Python, JavaScript and other languages for IoT scripting tasks.
- Read JSON, YAML and XML, and work with RESTful APIs, webhooks and WebSockets.
- Explain MQTT, CoAP, AMQP and DDS, and how single-tier and multi-tier architectures affect a solution.
Official topics
- Wireless solution administration across vertical markets
- Troubleshooting common wireless IoT problems
- Scripting and programming for wireless IoT
- Application architectures and impact on wireless IoT
Requirements
- No formal prerequisites: anyone can book the exam.
- Recommended: experience with wireless networking and a basic grasp of RF and IoT concepts.
- Recommended: knowledge of networking protocols such as TCP/IP, DHCP and DNS.
About the CWISA-103 exam
CWISA-103 is the CWNP exam for administrators who install, configure and support wireless IoT systems, from sensors and gateways to the cloud services behind them. It reaches past Wi-Fi into Bluetooth Low Energy, Zigbee, LoRaWAN and location services, and adds RF basics, planning and light scripting. The exam is vendor-neutral, so it tests standards and technologies, not one maker's products. Passing earns the Certified Wireless IoT Solutions Administrator (CWISA) certification, which counts toward the expert-level CWISE designation.
The PlanetCert practice test asks the most about IoT protocols and standards, such as LoRaWAN, Thread, Zigbee and Bluetooth Low Energy, and then about RF communications. The explanations cover the RF math, for example how transmitter power, cable loss and antenna gain add up to EIRP. Study Mode suits the planning domain, where the right answer depends on matching requirements and constraints. Brainy AI Assistant can compare two protocols for a sensor network or check a dBm calculation.
How to earn the certification
- Earns
- Certified Wireless IoT Solutions Administrator (CWISA)Administrator
CWISA stays valid for three years.
- After
- CWISE Certified Wireless IoT Solutions Expert (CWISE)
CWNP's expert designation for wireless IoT. It requires CWISA, CWNA and three IoT professional certifications, plus another vendor's certification, experience, endorsements and a video interview.
- CWISE Certified Wireless IoT Solutions Expert (CWISE)
How to prepare for CWISA-103
- 1
Do the RF math by hand
Convert milliwatts to dBm and back, then add the antenna gain to the intentional radiator's output to get EIRP. The Radio Frequency Communications domain lists watts, decibels, dBm, SNR and SINR among its signal metrics.
- 2
Build a three-protocol bench
Pair a BLE sensor, a Zigbee device and a LoRaWAN node with their gateways, and note the range, data rate and battery use of each. Solution selection in Planning Wireless Solutions weighs these trade-offs.
- 3
Write the requirements before the design
Pick one use case, such as asset tracking in a hospital, and list its capacity, security, integration and regulatory needs before choosing any technology. That order matches the planning objectives.
- 4
Script one sensor to the cloud
Use Python to read a sensor value, publish it over MQTT and store it as JSON. Supporting Wireless Solutions asks which language, data structure and protocol fits each integration task.
- 5
Test troubleshooting in Timed Mode
Take the CWISA-103 practice test in Timed Mode after the lab work. For each miss on interference or misconfiguration, ask Brainy AI Assistant how to confirm the cause on site.
Start a timed CWISA-103run
Who CWISA-103 is for
- Wireless network administrators whose networks now carry sensors, tags and other IoT devices.
- IoT implementers who install and configure devices, gateways and cloud connections.
- Network engineers who join wireless IoT systems to LAN, WAN and cloud services.
- Wi-Fi professionals adding non-802.11 technologies such as BLE, Zigbee and LoRaWAN.
Typical job titles: Wireless network administrator · IoT solutions engineer · Network engineer · IoT integration specialist · Wireless field engineer
CWISA-103 glossary
18 terms from the exam objectives and the vendor's official material, each defined in a sentence.
- 802.11ah
- Wi-Fi HaLow: a Wi-Fi standard below 1 GHz that trades speed for longer range and lower power, suited to IoT.
- Bluetooth Low Energy
- A low-power form of Bluetooth used by wearables, beacons and sensors that send small amounts of data.
- Chirp Spread Spectrum (CSS)
- A modulation method that sweeps each symbol across a range of frequencies, which LoRa uses to reach long distances at low power.
- CoAP
- The Constrained Application Protocol, a web-style request and response protocol designed for small, low-power devices.
- dBm
- Power in decibels relative to one milliwatt, so 0 dBm equals 1 mW and 10 dBm equals 10 mW.
- EIRP
- The power an antenna system appears to send in its strongest direction: the intentional radiator's output plus the antenna gain.
- Free space path loss
- The drop in signal strength as an RF wave spreads out over distance, even with nothing in the way.
- Geofencing
- A virtual boundary around a real place that triggers an action when a tracked device enters or leaves it.
- Intentional radiator
- The radio transmitter together with its cabling and connectors, up to but not including the antenna.
- LoRaWAN
- A low-power wide-area network protocol that links battery-powered sensors to gateways over long distances.
- MQTT
- A lightweight publish-subscribe messaging protocol in which devices send and receive messages through a broker.
- Noise floor
- The level of background RF energy in a place; a signal must rise above it to be received.
- OFDMA
- A method that splits a channel into many subcarriers and gives groups of them to several devices at the same time.
- Pilot testing
- A small trial deployment, such as a proof of concept, run before the full rollout to find problems early.
- Sigfox
- A low-power wide-area network technology that carries very small messages from devices over long distances.
- SINR
- Signal-to-interference-plus-noise ratio: how far a signal stands above both the noise floor and interfering signals.
- YANG
- A data modeling language that describes the configuration and state of network devices, used with NETCONF.
- Zigbee
- A low-power mesh networking standard built on IEEE 802.15.4, common in home and building automation.
Related practice tests
- CPNAE-101Certified Python Network Administrator and Engineer
- CWISECertified Wireless IoT Solutions Expert
- CNAE-101Certified Network Administrator and Engineer
- CWAP-405Certified Wireless Analysis Professional (CWAP)
- CWDP-305Certified Wireless Design Professional (CWDP)