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CWNA-108 Braindumps – CWNA-108 Questions to Get Better Grades
Domain Details for CWNP CWNA-108
When it comes to particulars of this test, they are as follows:
- 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.
- 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.
- 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.
- 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 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.
NEW QUESTION 58
AP-1 is a 3x3:2 AP. STA-3 is a 3x3:3 client. What is the maximum number of spatial streams that can be used for a downlink HT-OFDM transmission from AP-1 to STA-3?
- A. Two spatial streams, because the definition of the AP indicates that it is capable of only two spatial streams.
- B. Three spatial streams, because the definition of the client indicates that it is capable of only three spatial streams.
- C. Three spatial streams, because the definition of the AP indicates that it is capable of only three spatial streams.
- D. One spatial stream, because the definition of the AP indicates that it is capable of only one spatial stream.
Answer: A
NEW QUESTION 59
What can an impedance mismatch in the RF cables and connectors cause?
- A. Fewer MCS values in the MCS table
- B. Increased range of the RF signal
- C. Increased amplitude of the RF signal
- D. Excessive VSWR
Answer: D
NEW QUESTION 60
As XYZ Company's wireless specialist, you have been asked to troubleshoot some unexpected frame patterns in a wireless protocol capture. Your peers explain that the network's beacon frames are inconsistent. That is, the BSSID is the same for all beacons, but the source address varies between three different addresses.
What network configuration would cause this beacon frame behavior?
- A. Three APs still share the same default configuration.
- B. A single AP supports multiple BSSs with different SSIDs
- C. The beacons are from an IBSS instead of a BSS
- D. A virtual cell single channel network has been implemented
Answer: C
NEW QUESTION 61
In an 802.11 2.4 GHz system, what 22 MHz channels are considered non-overlapping?
- A. 4 and 6
- B. 2 and 8
- C. 7 and 11
- D. 1 and 5
Answer: B
NEW QUESTION 62
In addition to throughput enhancements, what other improvements does a dual-band 802.11ac AP provide when compared with 802.11a/g APs? (Choose 2)
- A. Better link reliability between 802.11a/b/g client devices and 802.11ac APs
- B. Stronger security with more robust encryption modes.
- C. Introduces "fast transition" roaming protocols for VoWiFi phones
- D. Improves service quality for real-time applications at greater distances
- E. Increases in receive sensitivity enhance RTLS location accuracy
Answer: A,D
NEW QUESTION 63
As an RF wave propagates through space, the wave front experiences natural expansion that reduces its signal strength in an area. What term describes the rate at which this expansion happens?
- A. MU-MIMO
- B. Inverse square law
- C. Ohm's law
- D. Fresnel zone thinning
Answer: B
NEW QUESTION 64
You have received a report of poor wireless connections on the third floor of a building under your administration. Three individuals have reported the problem. Apparently, the connections are reporting a strong signal, but the users cannot access the Internet. With the problem identified, what is the next logical step in the troubleshooting process?
- A. Perform corrective actions
- B. Verify the solution
- C. Create a plan of action or escalate the problem
- D. Discover the scale of the problem
Answer: D
NEW QUESTION 65
You are troubleshooting a problem with interference from a non-802.11 device. Given that the device is not a WLAN device, you cannot use a protocol analyzer and have chosen to use a spectrum analyzer. You want to view the signal from the interfering device over time to see the activity that is generating.
What common spectrum analyzer view should you use for this analysis?
- A. APs
- B. Real-time FFT
- C. Clients
- D. Waterfall/Spectrogram
Answer: D
NEW QUESTION 66
When antenna gain is reported in dBI, the gain of the antenna is compared to what theoretical antenna?
- A. Yagl
- B. Isotropic radiator
- C. Rubber ducky
- D. Dipole
Answer: B
Explanation:
https://www.cwnp.com/forums/posts?postNum=292616
NEW QUESTION 67
ABC Company is planning to install a new 802.11ac WLAN, but wants to upgrade its wired infrastructure first to provide the best user experience possible. ABC Company has hired you to perform the RF site survey. During the interview with the network manager, you are told that the new Ethernet edge switches will support VoIP phones and 802.11 access points, both using
802.3 PoE.
After hearing this information, what immediate concerns do you note?
- A. If the switches are in optimal locations for VoIP phones, they are likely to be suboptimal locations for 802.11 APs
- B. VoIP phones and 802.11 access points should not be powered by the same edge switch due to distortion.
- C. The edge Ethernet switches should support Ether-channel to get the best results out of the network.
- D. The power budget in the edge switches must be carefully planned and monitored based on the number of supported PoE devices.
Answer: D
NEW QUESTION 68
You are troubleshooting a controller-based AP that is unable to locate the controller. DHCP is not use and the controller is located at 10.10.10.81/24 while the AP is on the 10.10.16.0/24 network. What should be inspected to verify proper configuration?
- A. DBS
- B. BOOTP
- C. AP hosts file
- D. NTP
Answer: C
NEW QUESTION 69
Which data rate is supported by 802.11g radios that is not supported by 802.11a radios?
- A. 9 Mbps
- B. 11 Mbps
- C. 54 Mbps
- D. 65 Mbps
- E. 12 Mbps
- F. 130 Mbps
Answer: B
NEW QUESTION 70
What wireless networking term describes the increase of RF energy in an intentional direction with the use of an antenna?
- A. Active Amplification
- B. Beam Digression
- C. Directed Radiation
- D. Passive Gain
Answer: D
NEW QUESTION 71
During a post-implementation survey, you have detected a non-802.11 wireless device transmitting in the area used by handheld 802.11g scanners. What is the most important factor in determining the impact of this non-
802.11 device?
- A. Receive sensitivity
- B. Airtime utilization
- C. Protocols utilized
- D. Channel occupied
Answer: B
NEW QUESTION 72
What term correctly completes the following sentence?
In an IEEE 802.11 frame, the IP packet is considered by the MAC layer to be a(n) _________.
- A. MAC Service Data Unit (MSDU)
- B. MAC Protocol Data Unit (MPDU)
- C. PLCP Protocol Data Unit (PPDU)
- D. PLCP Service Data Unit (PSDU)
- E. IP datagram
Answer: A
NEW QUESTION 73
In a Wi-Fi client configuration utility, what feature is most likely to be user configurable?
- A. WMM-PS Dozing Interval
- B. EAP Authentication Type
- C. 802.1p to WMM mappings
- D. RADIUS Server IP Address
- E. SNMPv3 Users
Answer: B
NEW QUESTION 74
You manage a WLAN with 100 802.11ac access points. All access points are configured to use 80 MHz channels. In a particular BSS, only 40 MHz communications are seen. What is the likely cause of this behavior?
- A. The short guard interval is also enabled
- B. The AP is improperly configured to use only 40 MHz of the 80 MHz allocated bandwidth
- C. All clients implement single spatial stream radios
- D. The clients are all 802.11n STAs or lower
Answer: D
NEW QUESTION 75
......
Understanding functional and technical aspects of CWNAî - Certified Wireless Network Administrator Business Principles and Practices
The following will be discussed in CWNP CWNA-108 dumps:
- Wi-Fi 4 - HT â 802.11n
- Wireless Ad-Hoc (IBSS)
- HR-DSSS â 802.11b
- Wi-Fi Alliance
- Dynamic Frequency Selection (DFS)
- OFDM â 802.11a
- Identify and apply 802.11 WLAN functional concepts
- IETF
- BPSK
- Bandwidth
- Explain the roles of WLAN and networking industry organizations (CHAPTER 1)
- Primary channels
- Throughput vs. data rate
- Wi-Fi 6 - HE - 802.11ax
- Frequency bands used by the 802.11 PHYs
- Wireless LAN (WLAN) â BSS and ESS
- Wireless bridging
- Wi-Fi 5 - VHT â 802.11ac
- IEEE
- Describe the OSI model layers affected by the 802.11-2016 standard and amendments
- Adjacent overlapping and non-overlapping channels
- Wireless Mesh
- Regulatory power constraints
- Guard Interval
- OFDM
- DSSS â 802.11
- ERP â 802.11g
- Available channels
- Regulatory domains and agencies
- QPSK
- Identify and comply with regulatory domain requirements and constraints (specifically in 2.4 GHz and 5 GHz)
- QAM (16, 64, 256,1024)
- Transmit Power Control (TPC)
- Explain basic use case scenarios for 802.11 wireless networks
- Explain and apply the various Physical Layer (PHY) solutions of the IEEE 802.11-2016 standard as amended including supported channel widths, spatial streams, data rates
- Understand spread spectrum technologies, Modulation and Coding Schemes (MCS)
- OFDMA and Resource Units
- CWNP
Network Security for WLAN: 10%
Here a potential candidate needs to prepare for the following objectives:
- Understand the fundamental security enhancements in WPA2 versus WPA3;
- Establish and configure efficient security mechanisms designed for enterprise WLANs;
- Establish the options of weak security that are not needed within enterprise WLANs;
- Explain basic security tools and options utilized within wireless networks.
- Understand the fundamental concepts of OWE (Opportunistic Wireless Encryption), WPA3, and improvements compared to WPA2;
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