[Jan 20, 2022] New CWNA-108 Exam Dumps with High Passing Rate
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CWNA-108 Exam Topics
The CWNP CWNA-108 test evaluates the candidates’ knowledge of the following subjects:
- Management of 802.11 network architecture;
- Ensuring the highest security standards for wireless LAN;
- Understanding how to manage Radio Frequency technologies;
- Deployment of wireless organizations and standards;
- Managing wireless LAN software and hardware;
- Being prepared for troubleshooting;
- Performing different types of site surveys.
- Handling antenna concepts;
- Handling all steps related to network management, installation, and design;
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:
- 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;
- 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;
- 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;
- 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.
NEW QUESTION 67
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 68
In which plane of the three networking planes is an access point configured by a WLAN controlled?
- A. Management
- B. Data
- C. Control
- D. Security
Answer: A
NEW QUESTION 69
Users and Network support personnel at a mid-sized equipment manufacturer have been discussing the potential uses and benefits of implementing an indoor WLAN. The network administrator and network manager have requested a meeting of senior management personnel to discuss a WLAN implementation before performing a site survey or taking any implementation steps. The first topic of discussion in the meeting is the corporate policy concerning implementation and use of WLAN technology.
What specific topics are appropriate in this policy meeting? (Choose 2)
- A. Antenna types
- B. Business justification
- C. Use of the latest 802.11ac equipment
- D. User productivity impact
- E. Defining RF channels for use
Answer: B,D
NEW QUESTION 70
In a long-distance RF link, what statement about Fade Margin is true?
- A. The Fade Margin is a measurement of signal loss through free space, and is a function of frequency and distance.
- B. A Fade Margin is unnecessary on a long-distance RF link if more than 80% of the first Fresnelzone is clear of obstructions.
- C. The Fade Margin of a long-distance radio link should be equivalent to the receiver's antenna gain.
- D. Fade Margin is an additional pad of signal strength designed into theRF system to compensate for unpredictable signal fading.
Answer: D
NEW QUESTION 71
The center frequency of channel 1 in the 2.4 GHz band is 2.412 GHz (2412 MHz). What is the center frequency of channel 4?
- A. 2.427
- B. 2.422
- C. 2.417
- D. 2.413
Answer: A
NEW QUESTION 72
ABC Company is planning a point-to-multipoint outdoor bridge deployment with standalone (autonomous) 802.11 bridge units. 802.1X/EAP will be used for bridge authentication. A Linux- based RADIUS server will be used for authentication. What device in the bridge Implementation as the 802.1X Authenticator?
- A. The root bridge
- B. All non-root bridges
- C. The RADIUS server
- D. The Ethernet switch
Answer: D
NEW QUESTION 73
What Linux shell command can be used to view the hardware and PHY capabilities of a wireless adapter in detail including channel widths, output power setting, channels supported, and more?
- A. iwconflg
- B. ifconflg
- C. iw phy
- D. netsh wlan show device
Answer: A
NEW QUESTION 74
You are onsite with a client to perform a post-deployment site survey. When verifying a multiple channel VoWiFi deployment using a VoWiFi handset, which aspect is most important?
- A. Configuring DSCP-to-802.11e QoS maps on the handset for each access category.
- B. Verifying the VHT functionality to handle the call volume incurred by a single VoIP phone call.
- C. Testing a constant conversation orhandset tone while roaming from area to area, or performing an active survey
- D. Performing protocol analysis with a single wireless adapter that is scanning all channels in use
Answer: C
NEW QUESTION 75
What information is transmitted in the Beacon management frames of an HT access point to communicate about backward compatibility with ERP and HR/DSSS stations? (Choose 2)
- A. HT Protection mode
- B. Non-ERP Present field
- C. RIFS mode
- D. Power save mode of clients
- E. Secondary channel offset
Answer: A,E
NEW QUESTION 76
The requirements for a WLAN you are installing state that it must support unidirectional delays of less than
150 ms and the signal strength at all receivers can be no lower than -67 dBm. What application is likely used that demands these requirements?
- A. FTP
- B. E-Mail
- C. VoIP
- D. RTLS
Answer: C
NEW QUESTION 77
An 802.11 WLAN transmitter that emits a 50 mW signal is connected to a cable with 3 dB of loss.
The cable is connected to an antenna with 16 dBi of gain.
What is the EIRP power output?
- A. 1000 mW
- B. 250 mW
- C. 2 W
- D. 500 mW
Answer: A
NEW QUESTION 78
In an infrastructure Basic Service Set (BSS), how does the passive scanning process occur?
- A. Access points broadcast Beacons on a single channel for which they are programmed. Nearby client stations listen for Beacon frames and record information found in the Beacons for use in the association process.
- B. Client stations broadcast Probe Request frames on all supported channels in the regulatory domain. Nearby access points respond with Probe Response frames. Client stations record information in the Probe Response frames for use in the association process.
- C. Access points broadcast Beacons on all channels of each radio within the regulatory domain.
Nearby client stations record information found in the Beacons for use in the association process. - D. Client stations broadcast Probe Request frames on the single channel for which they are programmed. Nearby access points respond on that channel with Probe Response frames. Client stations record information found in the Probe Response frames for use in the association process.
Answer: A
NEW QUESTION 79
You have been tasked with creating a wireless link between two buildings on a single campus.
The link must support at least 150 Mbps data rates.
What kind of WLAN technology role should you deploy?
- A. IBSS
- B. Access BSS
- C. Wireless bridging
- D. WPAN
Answer: A
NEW QUESTION 80
What cipher suite is specified by the 802.11-2016 standard and is not deprecated?
- A. Temporal Key Integrity Protocol
- B. Extensible Authentication Protocol
- C. Counter Mode with CBC-MAC Protocol
- D. Wired Equivalent Privacy
Answer: C
NEW QUESTION 81
When a STA has authenticated to an AP (AP-1), but still maintains a connection with another AP (AP-2), what is the state of the STA on AP-1?
- A. Authenticated and Associated
- B. Transitional
- C. Unauthenticated and Unassociated
- D. Authenticated and Unassociated
Answer: B
NEW QUESTION 82
XYZ Corporation is experiencing connectivity problems with their existing building-to-building bridge link. A concrete wall on the roof of one building is partially blocking the Fresnel Zone, and the connection is dropping many frames. The administrator moves the antenna to an area not obstructed by the concrete wall and then realizes the RF cable cannot reach the new location.
If an extension cable is added to move the antenna, what are the likely results?
- A. The size of the Fresnel zone will increase.
- B. The data throughput rate will increase because VSWR will decrease.
- C. The antenna's azimuth beamwidth will decrease.
- D. The Equivalent Isotropically Radiated Power (EIRP) will decrease.
- E. The likelihood of a direct lightning strike will increase.
Answer: D
NEW QUESTION 83
What 802.11 network configuration would result in multiple stations broadcasting Beacon frames with the same BSSID but with different source addresses?
- A. An IBSS is used instead of a BSS.
- B. An SCA network is in use.
- C. Multiple APs have been loaded with the same configuration from an image file.
- D. A single AP supports multiple BSSs with different SSIDs.
Answer: A
NEW QUESTION 84
Option 43 must be configured to allow access points to locate controller. In what network service should this option be configured?
- A. DNS
- B. LDAP
- C. DHCP
- D. RADIUS
Answer: C
NEW QUESTION 85
When compared with legacy Power Save mode, how does VHT TXOP power save improve battery life for devices on a WLAN?
- A. VHT TXOP power save allows the WLAN transceiver to disable more components when in a low power state.
- B. Legacy Power Save mode was removed in the 802.11ac amendment.
- C. VHT TXOP power save uses the partial AID in the preamble to allow clients to identify frames targeted for them.
- D. VHT TXOP power save allows stations to enter sleep mode and legacy Power Save does not.
Answer: C
NEW QUESTION 86
Which one of the following frequency ranges is not specified for use by IEEE 802.11 radios as of
802.11-2012?
- A. 600-630 MHz
- B. 5.725-5.874 GHz
- C. 5.15-5.25 GHz
- D. 2.4000-2.4835 MHz
Answer: A
NEW QUESTION 87
Return Loss is the decrease of forward energy in a system when some of the power is being reflected back toward the transmitter.
What will cause high return loss in an RF transmission system, including the radio, cables, connectors and antenna?
- A. An impedance mismatch between components in the RF system
- B. High output power at the transmitter and use of a low-gain antenna
- C. The use of cables longer than one meter in the RF system
- D. A Voltage Standing Wave Ratio (VSWR) of 1:1
Answer: A
NEW QUESTION 88
A client STA must choose the best AP for connectivity. As part of the evaluation, it must verify compatible data rates. What can the client STA use to verify that an AP supports the same data rates that it supports?
- A. Probe request frames transmitted by other client STAs
- B. Beacon frames transmitted by the AP
- C. Authentication frames transmitted by the other client STAs
- D. Data frames sent between the AP and current client STAs
Answer: A
Explanation:
https://supportforums.cisco.com/t5/wireless-mobility-documents/802-11-sniffer-capture-analysis- management-frames-and-open-auth/ta-p/3120622
NEW QUESTION 89
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