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Domain Details for CWNP CWNA-108
When it comes to particulars of this test, they are as follows:
- Standards & Regulations for WLAN
This tested area includes the roles played by WLAN as well as networking industry companies, the application of differing PHY (Physical Layer) solutions aimed at IEEE 802.11-2016 standard based on the amendment that includes supported widths, spatial streams, and data rate for a channel, and technologies and Modulation & Coding Schemes (MCS) related to spread spectrum. Also, such a domain deliberates OSI layers impacted by 802.11-2016 amendment and standard, the application of WLAN operation concepts for 802.11, and basic scenarios targeting 802.11 wireless networks.
- RF Validation
Under such a topic, candidates will be looking at verifying and documenting that design demands are met, including roaming, coverage, throughput, and connectivity alongside a validation survey for post-implementation. Also, to consider is the location and identification of sources associated with RF interference. Next is dealing with the performance of app testing to enable the validation of WLAN performance, which captures the network in addition to service availability, VoIP testing, throughput testing, and others. The last area to get into concerns the basic features associated with validation tools. Particularly, this explains using throughput testers in validating tasks, using validation software for wireless scanners, and using protocol analyzers to validate tasks, among other issues.
- Security for WLAN Network
Included in the topic is the matter of the identification of weak options of security that shouldn't be utilized in WLANs for the enterprise. Also, included here is the identification and configuration of efficient security mechanisms targeted at enterprise WLANs, basic concepts relating to WPA3 & Opportunistic Wireless Encryption (OWE) as well as enhancements in comparison with WPA2, and common options of security as well as tools used within wireless based networks.
- WLAN Network Infrastructure & Design Concepts
This section is about the implementation of Power over Ethernet (PoE), the advantages, constraints, and differences of various infrastructures for WLAN, design considerations related to common deployments within wireless that include coverage needs, roaming considerations, capacity, security, throughput, and awareness on common proprietary elements relating to wireless networks. Another field is about considering and configuring the needed services for networks that are supporting wireless ones.
- RF Technologies
In particular, RF or Radio Frequency technologies concern the defining and explaining of basic features of RF in addition to RF behavior. Under this category, one will be learning about wavelength, frequency, phase, amplitude, sine waves, RF propagation & coverage, reflection, refraction, scattering, and diffraction, multipath as well as RF interference, gain & loss, amplification, absorption, and more. Also, to be learned is the application of fundamental concepts relating to RF measurements and mathematics. This details watt & milliwatt, decibel (dB), noise floor, SNR, RSSI, EIRP, and others. The next part is focused on identifying RF signal features according to the way they relate to antennas. The areas it touches on include beamwidths, RF in addition to a physical line of sight & Fresnel zone clearance, polarization, passive gain, radio chains, spatial multiplexing (SM), and MIMO, among others. The other domain covered is centered on RF antennas, antenna-related systems, as well as accessories functionality. This covers antennas that are omni-directional, highly directional, and semi-directional. It also covers antenna orientation, lightning arrestors as well as grounding rods or wires, RF cables & connectors, and more.
- WLAN Troubleshooting
This part covers common tools for troubleshooting that are often used within WLANs. Issues addressed by such a topic revolve around the usage of protocol analyzers to troubleshoot tasks, the usage of spectrum analyzers in identifying interference sources, and more. The last area looks at the identification and troubleshooting of wireless problems.
- WLAN Protocols & Devices
This sector touches on the elements as well as functions that constitute an 802.11 wireless service set, terminology that relates to 802.11 MAC & PHY, MAC frame design, and the purpose of the three major frame types of 802.11. Also, it scrutinizes the process followed when locating and connecting to WLANs, access techniques for 802.11 channel, 802.11 MAC functioning, and the features, selection, and installation of WLAN gadgets, control, and the management of systems.
Reference: https://www.cwnp.com/certifications/cwna
What is the duration, language, and format of CWNA® - Certified Wireless Network Administrator
- Language of Exam: English, Japanese, Korean.
- No negative marking for wrong answers
- Type of Questions: Multiple choice (MCQs), multiple answers
- Number of Questions: 40
- Passing score: 200
- Duration of Exam: 90 minutes
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Understanding functional and technical aspects of CWNA® - Certified Wireless Network Administrator Security Principles and Practices
The following will be discussed in CWNP CWNA-108 exam dumps:
- Reading Azimuth and Elevation charts for different antenna types
- Noise floor
- RF and physical line of sight and Fresnel zone clearance
- Decibel (dB)
- Antenna diversity types
- RSSI
- Transmit Beamforming (TxBF)
- SNR
- RF cables and connectors
- Explain and apply the functionality of RF antennas, antenna systems, and accessories available
- RF propagation and coverage
- Multipath and RF interference
- Return Loss
- Amplification
- dBm and dBi
- dBm to mW conversion rules of 10 and 3
- Attenuation
- Free Space Path Loss (FSPL)
- Absorption
- Lightning arrestors and grounding rods/wirestween inside execution measures and client assumptions for execution
- Highly directional antennas
- Maximal Ratio Combining (MRC)
- Apply the basic concepts of RF mathematics and measurement
- Define and explain the basic characteristics of RF and RF behavior (CHAPTER 2)
- Gain and loss
- Beamwidths
- Identify RF signal characteristics as they relate to antennas
- Wavelength, frequency, amplitude, phase, sine waves
- Semi-directional antennas
- Omni-directional antennas
- CWNP
- Polarization
- MIMO
- Radio chains
- Voltage Standing Wave Ratio (VSWR)
- Antenna orientation
- Reflection, refraction, diffraction and scattering
- Spatial multiplexing (SM)
- Passive gain
- Watt and milliwatt
- Equivalent Isotropically Radiated Power (EIRP)
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Exam Syllabus
The CWNA-108 exam covers seven knowledge domains. Each of these areas has detailed topics and subtopics that must be understood to improve your performance in the certification test. The highlights of these sections are as follows:
RF Technologies: 15%
This is the first topic to deal with that will evaluate the following skills that you need to possess:
- Describe and use the functionality of the RF antennas, accessories, and antenna systems: The area includes highly directional antennas, Omni-directional and semi-directional antennas, RF connectors & cables, Antenna orientation, grounding wires/rods, and Lightning arrestors.
- Establish RF signal attributes to antennas: This means that you should know about passive gain, MINO, radio chains, polarization, beamwidths, transmit beamforming, passive gain, spatial multiplexing, and maximal ratio combining;
- Identify and describe the basic attributes of Radio Frequency (RF) and RF behaviors: The concepts covered in this area include multipath & RF interference, attenuation, amplification, return loss, gain & loss, free space path loss, and absorption, among others;
- Apply the fundamental concepts of the Radio Frequency measurement and mathematics: This subtopic focuses on Watt & milliwatt, RSSI, SNR, Decibel, Noise floor, dBm & dBi, as well as EIRP;
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